SDLE MCQ SDLE Mock Test Facebook X LinkedIn Messenger Messenger WhatsApp Telegram Print Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% You will have 3 hours to complete it once you start Mock Test SDLE Mock Test DentQuiz SDLE Mock Exam Instruction You will have 3 hours to complete it once you start. For the best experience, use a computer and switch to full screen button (from the top left corner). Explanations will appear after each question to help you understand the correct answer. Your results will be shown right after you finish the exam. The source of the questions and answers is recent Rafee’ Al-Maqam files. Special thanks to رفيع المقام. Answers are based on colleagues best efforts and may not be 100% accurate. If you believe an answer is incorrect, please click the Report button to let us know. Blueprint Endodontics : 15% Restorative : 30% Prosthodontics : 17.5% Orthodontics and Pedodontics : 10% Periodontics and Implant : 17.5% Professionalism and bioethics , infection control and patient safety : 10% Please fill in your details to continue NameEmailPhone Number 1 / 200 Category: Endodontics 1) A tooth with trauma 20 years ago shows no symptoms but does not respond to cold tests and has a calcified canal. What is the prognosis of non-surgical endo? Good Fair Poor Hopeless Calcified canals complicate treatment, leading to a fair prognosis. 2 / 200 Category: Endodontics 2) What is the prognosis of a tooth with a supracrestal perforation? Hopeless Fair Poor Good Supracrestal perforations often have a poor prognosis due to bone loss. 3 / 200 Category: Endodontics 3) What material is placed in the clot during revascularization of immature teeth? MTA Tribiotic Calcium hydroxide Gutta-percha MTA is used to seal the clot during revascularization. 4 / 200 Category: Endodontics 4) A tooth had RCT, failed, and was re-treated. An apical abscess is present. What is the prognosis? Poor Fair Questionable Good Persistent apical abscess indicates a poor prognosis. 5 / 200 Category: Endodontics 5) A tooth was avulsed for 30 minutes and kept in milk. What type of splint is recommended? Rigid splint No splint Functional 2-week splint Semi-rigid splint Functional splints allow limited movement for healing. 6 / 200 Category: Endodontics 6) A patient with lingering pain and mild pain on biting. X-ray shows a large radiolucency. What is the diagnosis? Irreversible pulpitis with asymptomatic apical periodontitis Reversible pulpitis Normal Symptomatic irreversible pulpitis with symptomatic apical periodontitis Lingering pain and radiolucency indicate symptomatic irreversible pulpitis. 7 / 200 Category: Endodontics 7) What is the best analgesic for post-endodontic pain? None NSAID Acetaminophen Opioids NSAIDs are effective for managing post-endodontic pain. 8 / 200 Category: Endodontics 8) How long should an avulsed tooth with an open apex be splinted after 2 hours? 2 weeks functional splint 6 weeks 4-6 weeks functional splint 8 weeks rigid splint A functional splint for 4-6 weeks is recommended for open apex teeth. 9 / 200 Category: Endodontics 9) A PA radiograph shows large bone resorption adjacent to tooth #32, which is vital. What is the likely cause? Endo-Perio Perio-Endo Endo Perio Bone resorption in vital teeth is often periodontal in origin. 10 / 200 Category: Endodontics 10) A sound tooth has pain on percussion and no response to cold test. What is the diagnosis? Endo primary with perio secondary True combined Periodontal combined Perio primary with endo secondary Pain on percussion and no cold response suggest periodontal issues. 11 / 200 Category: Endodontics 11) What gives MTA its radiopacity? Bismuth oxide Calcium oxide Silica Zinc oxide Bismuth oxide is added to MTA for radiopacity. 12 / 200 Category: Endodontics 12) A crown fracture involving enamel and dentin without pulp exposure is classified as: Complicated crown fracture Root fracture Uncomplicated crown fracture Crown infarction Uncomplicated fractures do not involve the pulp. 13 / 200 Category: Endodontics 13) A tooth has an isolated wide pocket, necrotic pulp, and radiolucency. What is the diagnosis? Primary perio secondary endo Normal Primary endo secondary perio Combined endo-perio lesion This is a classic case of primary endo with secondary perio involvement. 14 / 200 Category: Endodontics 14) An X-ray of tooth #7 shows radiopacity attached to the palatal root. What is the treatment? Apical surgery Observation RCT Extraction Observation is recommended for asymptomatic radiopacities. 15 / 200 Category: Endodontics 15) What type of X-ray is best for an avulsed tooth? OPG Occlusal Bitewing CBCT and 2 PA CBCT and periapical X-rays provide detailed information. 16 / 200 Category: Endodontics 16) What causes brown precipitation in endodontic treatment? Chx with sodium hypochlorite MTA with saline Calcium hydroxide with saline EDTA with sodium hypochlorite Chlorhexidine (Chx) with sodium hypochlorite causes brown precipitation. 17 / 200 Category: Endodontics 17) Which dental material requires careful handling due to its caustic nature? Formocresol Sodium hypochlorite Calcium hydroxide Ferric sulfate Formocresol is highly caustic and requires careful handling. 18 / 200 Category: Endodontics 18) Which sealer is resorbable? Calcium hydroxide ZOE Resin-based sealer Glass ionomer Calcium hydroxide sealers are resorbable. 19 / 200 Category: Endodontics 19) What is the best approach for RCT in a tooth with open apex? High concentration NaOCl Side-vented needle Ultrasonic irrigation Low concentration NaOCl Low concentration NaOCl is safer for open apex cases. 20 / 200 Category: Endodontics 20) A patient has a horizontal root fracture between the middle and apical thirds. The fracture line is radiopaque, and there is no response to cold test. What is the treatment? Extraction Pulpotomy RCT for all roots RCT for coronal part only Only the coronal part requires RCT in horizontal root fractures. 21 / 200 Category: Endodontics 21) What happens to the permanent tooth after central intrusion? Palatally displaced Buccally displaced Hyperplasia of the root Devitalization Intrusion often leads to palatal displacement of the permanent tooth. 22 / 200 Category: Endodontics 22) A molar with 2 posts and no RCT has no symptoms. What is the management? Re-RCT Extraction Follow-up Assure the patient If asymptomatic, no intervention is needed. 23 / 200 Category: Endodontics 23) Pain increases with hot food and decreases with cold. What is the likely diagnosis? Necrosis Symptomatic irreversible pulpitis Reversible pulpitis Periodontitis This is a classic symptom of irreversible pulpitis. 24 / 200 Category: Endodontics 24) During RCT, an apex locator makes a sound when inserted. What is happening? Normal File separation Apical perforation Coronal perforation A sound from the apex locator suggests coronal perforation. 25 / 200 Category: Endodontics 25) Sharp pain in a tooth is primarily transmitted by which nerve fiber? A-delta A B C A-delta fibers are responsible for sharp, localized pain. 26 / 200 Category: Endodontics 26) A patient has implants in the anterior lower jaw. The adjacent natural tooth is mobile (grade 3) with a very short root and no pain on endo tests. What is the treatment? Endo immediately and adjunctive Perio Perio and follow up Endo and follow up Perio then endo Mobility and short roots suggest periodontal issues; endo is not indicated without symptoms. 27 / 200 Category: Endodontics 27) A 14-year-old with an avulsed tooth after 3 hours. What is the management? RCT before reimplantation Soak in 2% NaF and reimplant Immediate reimplantation Extraction Soaking in NaF improves the prognosis for avulsed teeth. 28 / 200 Category: Endodontics 28) What is the treatment for a small pulp exposure in a permanent tooth after 20 minutes? Direct pulp capping Extraction Pulpotomy RCT Direct pulp capping is the best option for small exposures. 29 / 200 Category: Endodontics 29) Which tooth is most difficult to anesthetize in symptomatic irreversible pulpitis? Upper molar Upper premolar Lower molar Lower premolar Lower molars are challenging due to dense bone and nerve anatomy. 30 / 200 Category: Endodontics 30) Why is the smear layer removed during endo? To reduce sealer setting time None To allow sealer penetration To improve antimicrobial activity Removing the smear layer ensures better sealer adhesion. 31 / 200 Category: Restorative 1) Why is caries risk assessment important before periodontal treatment? To check deep pockets To check root caries To assess bone loss To evaluate gingival health Root caries can complicate periodontal treatment, so assessing caries risk is crucial. 32 / 200 Category: Restorative 2) How should a bevel be placed in a class I preparation without burs? Chisel Enamel hatchet Excavator Bevel hatchet A chisel is used to create a bevel in class I preparations without burs. 33 / 200 Category: Restorative 3) Condensation of amalgam for 8 minutes results in: Easy to carve Residual mercury increases Amalgam will set No change Prolonged condensation causes the amalgam to set, making it difficult to manipulate. 34 / 200 Category: Restorative 4) Which type of pin is most retentive in amalgam restorations? Cemented None Friction-locked Self-threaded Self-threaded pins provide the highest retention in amalgam restorations. 35 / 200 Category: Restorative 5) What is the best dentist position for treating teeth #41 and #31? 12 o'clock 11 o'clock 7 o'clock 9 o'clock The 12 o'clock position provides optimal access to the mandibular anterior teeth. 36 / 200 Category: Restorative 6) Why is polyacrylate cement preferred over zinc phosphate? Ease of use Biocompatibility Cost-effectiveness Strength Polyacrylate is more biocompatible and less irritating to the pulp compared to zinc phosphate. 37 / 200 Category: Restorative 7) What is the best method to diagnose interproximal caries? Transillumination Clinical examination Periapical radiograph Bitewing Bitewing radiographs provide clear visualization of interproximal caries. 38 / 200 Category: Restorative 8) Which material is the most ductile and malleable? Platinum Amalgam Titanium Gold Gold is highly ductile and malleable, making it ideal for dental restorations. 39 / 200 Category: Restorative 9) How can the working time of zinc oxide be increased? Mix on a cool glass slab Reduce mixing time Use a faster-setting cement Increase powder/liquid ratio Mixing on a cool glass slab slows the setting reaction, extending the working time. 40 / 200 Category: Restorative 10) Which material requires glazing to avoid dehydration? Composite Amalgam Gold Glass ionomer Glass ionomer requires glazing to prevent dehydration and maintain its properties. 41 / 200 Category: Restorative 11) Why is water spray used during cavity preparation? To reduce dentinal fluid movement To prevent particle inhalation To decrease dentine heating To clean the field Water spray cools the tooth, preventing heat-induced damage to the pulp. 42 / 200 Category: Restorative 12) How does GIC compare to composite in terms of thermal expansion? Excellent coefficient of expansion Poor coefficient of expansion Similar to dentin Similar to enamel GIC has a thermal expansion coefficient closer to tooth structure, reducing microleakage. 43 / 200 Category: Restorative 13) An older patient presents with thickening around the apex of a tooth. What is the cause? Physiologic remodeling Trauma Infection Cementum deposition Continuous cementum deposition throughout life can cause thickening around the apex. 44 / 200 Category: Restorative 14) How should carbide burs be evaluated for survival and effectiveness? Low speed before tooth contact High speed before tooth contact High speed out of oral cavity Low speed out of oral cavity Testing burs at high speed before tooth contact ensures their effectiveness and longevity. 45 / 200 Category: Restorative 15) What is the anatomical difference between central incisors before and after avulsion? Distal crown rounding Longer distal slope Mesial crown rounding Longer mesial slope Central incisors have a rounded distal crown edge, which helps differentiate them. 46 / 200 Category: Restorative 16) Which cement is most irritating to the pulp? GIC Zinc phosphate Resin Polycarboxylate Zinc phosphate is highly acidic and can irritate the pulp. 47 / 200 Category: Restorative 17) A 52-year-old patient has a deep stained groove in tooth #36 with no softness. What is the best treatment? No treatment PRR Class I composite Fissure sealant If there is no softness or caries, no treatment is necessary. 48 / 200 Category: Restorative 18) A patient complains of food impaction after an amalgam restoration. What is the likely cause? Open contact Overhanging restoration Lack of embrasure Occlusal trauma An open contact allows food to accumulate between teeth, causing impaction. 49 / 200 Category: Restorative 19) What is the best restoration for a class V cavity in a patient with Sjogren's syndrome? Amalgam GIC Composite RMGIC GIC is ideal for patients with Sjogren's syndrome due to its moisture tolerance and fluoride release. 50 / 200 Category: Restorative 20) Why is the axial wall finished with a high-speed bur after RCT and ZnOE obturation? Remove ZnOE residue Reduce sensitivity Smooth the surface Improve adhesion High-speed burs remove residual ZnOE, ensuring a clean surface for the final restoration. 51 / 200 Category: Restorative 21) A patient has an overhanging amalgam restoration with no symptoms. What is the best action? Remove overhang No treatment Restoration Monitor Removing the overhang prevents periodontal issues and improves oral health. 52 / 200 Category: Restorative 22) An amalgam restoration opposite a gold restoration causes pain. What is the management? Extraction No treatment Varnish in amalgam Change restoration Changing the restoration eliminates galvanic pain caused by dissimilar metals. 53 / 200 Category: Restorative 23) Why does a pin in an amalgam restoration fracture? Incorrect pin placement Poor material quality All of the above Excessive force Pin fracture can result from multiple factors, including placement, force, and material quality. 54 / 200 Category: Restorative 24) What happens if alginate is left under a wet towel for an hour before pouring? Syneresis Expansion Shrinkage Imbibition Imbibition causes the alginate to absorb water, leading to dimensional changes. 55 / 200 Category: Restorative 25) A resin composite restoration has 1 mm of remaining dentin thickness. What liner should be used? No liner RMGIC base Calcium hydroxide liner Both Using both calcium hydroxide and RMGIC provides pulp protection and a stable base. 56 / 200 Category: Restorative 26) A patient with attrition has severe cervical pain. What is the likely cause? Cracked tooth Irreversible pulpitis Dentin hypersensitivity Reversible pulpitis Attrition exposes dentin, leading to hypersensitivity and pain. 57 / 200 Category: Restorative 27) A 15-year-old patient has extensive proximal caries. What is the best treatment plan? Caries excavation and temporization Cast metal crowns Diet control Amalgam restorations Excavating caries and temporizing allows for further evaluation and comprehensive treatment planning. 58 / 200 Category: Restorative 28) What makes calcium hydroxide superior as a liner material? Sedative effect Thermal insulation Chemical insulation Secondary dentin formation Calcium hydroxide promotes secondary dentin formation, protecting the pulp. 59 / 200 Category: Restorative 29) Which type of dentine is deposited in response to very deep caries? Primary Reparative Secondary Reactionary Reparative dentine forms in response to deep caries to protect the pulp. 60 / 200 Category: Restorative 30) What happens when filler content in a restoration is increased? Increased wear resistance Decreased strength Increased hydrophilicity Increased shrinkage Higher filler content improves wear resistance and durability of the restoration. 61 / 200 Category: Restorative 31) Why is a cool glass slab recommended for mixing zinc oxide? Improve consistency Shorten setting time Reduce exothermic reaction Increase solubility A cool glass slab slows the setting reaction, allowing more working time. 62 / 200 Category: Restorative 32) Which approach is more esthetic for a class III restoration? Facial Both None Lingual A lingual approach is often more esthetic for class III restorations due to visibility. 63 / 200 Category: Restorative 33) Which impression material can be poured after one day? Alginate Zinc oxide Polysulfide PVS PVS (polyvinyl siloxane) retains its dimensional stability and can be poured after one day. 64 / 200 Category: Restorative 34) What is the dentist's position when working on teeth #41 and #31? 11 o'clock 12 o'clock 7 o'clock 9 o'clock The 12 o'clock position provides optimal access to the mandibular anterior teeth. 65 / 200 Category: Restorative 35) What does chronic gagging primarily cause? Attrition Abfraction Erosion Abrasion Chronic gagging can lead to erosion due to stomach acid exposure. 66 / 200 Category: Restorative 36) What is the definition of resilience? Ability to absorb energy Hardness Brittleness Resistance to fracture Resilience refers to a material's ability to absorb energy without permanent deformation. 67 / 200 Category: Restorative 37) Which material undergoes an acid-base reaction during setting? Glass ionomer RMGI Composite Componer Glass ionomer sets through an acid-base reaction between the glass powder and polyacid liquid. 68 / 200 Category: Restorative 38) What is the characteristic setting reaction of PVS? Condensation Polymerization Cross-linking Addition PVS sets through an addition reaction, which is more stable and predictable. 69 / 200 Category: Restorative 39) What causes a grainy impression when moisture contaminates the powder? Tear in impression Distorted impression Grainy impression Chalky cast Moisture contamination leads to a grainy texture in the impression material. 70 / 200 Category: Restorative 40) Why is composite better than GIC for certain restorations? Less microleakage Better aesthetics Higher strength Less marginal leakage Composite provides better marginal sealing, reducing the risk of leakage and secondary caries. 71 / 200 Category: Restorative 41) Which type of GIC is used for cementation? Type 1 Type 4 Type 3 Type 2 Type 1 GIC is specifically designed for cementation purposes. 72 / 200 Category: Restorative 42) Which cement has the potential for fluoride release? Zinc phosphate Polycarboxylate Zinc phosphosilicate Resin cement Zinc phosphosilicate cement releases fluoride, providing anticariogenic benefits. 73 / 200 Category: Restorative 43) What happens during syneresis and imbibition of alginate? Expansion Absorption of water (imbibition) Loss of water (syneresis) Shrinkage Syneresis is the loss of water, while imbibition is the absorption of water, affecting alginate stability. 74 / 200 Category: Restorative 44) A patient has a small amalgam restoration in #16 that needs replacement. What is the best option? Gold Glass ionomer Composite Cast ceramic Composite is the most aesthetic and functional option for replacing small amalgam restorations. 75 / 200 Category: Restorative 45) Why is flowable composite preferred over packable composite in preventive resin restorations? Better aesthetics Higher strength Low filler content Less microleakage Flowable composite reduces microleakage due to its ability to adapt to cavity walls. 76 / 200 Category: Restorative 46) A patient has hypercementosis. What is the best management? Extraction No treatment RCT Follow-up Hypercementosis is often asymptomatic and only requires follow-up unless symptomatic. 77 / 200 Category: Restorative 47) How can stone setting be accelerated without compromising quality? Increase powder/liquid ratio Slurry water Reduce mixing time Hot tap water Hot tap water accelerates the setting reaction of stone without affecting its properties. 78 / 200 Category: Restorative 48) Which restoration for posterior teeth is both aesthetic and durable? High filler composite Amalgam RMGI Low filler composite High filler composite provides strength and aesthetics, making it suitable for posterior teeth. 79 / 200 Category: Restorative 49) How does the radiopacity of a fiber post compare to flowable composite in an X-ray? More radiopaque Less radiopaque Same radiopacity Not different Fiber posts are less radiopaque than flowable composite, making them appear darker on X-rays. 80 / 200 Category: Restorative 50) A broken tooth cannot accommodate a rubber dam. What is the best alternative? Place on adjacent teeth No isolation Use a clamp Cotton roll isolation Placing the rubber dam on adjacent teeth ensures proper isolation for the broken tooth. 81 / 200 Category: Restorative 51) What are the components of preventive resin restorations? Composite Componer RMGI Glass ionomer Preventive resin restorations primarily use composite due to its aesthetic and adhesive properties. 82 / 200 Category: Restorative 52) Which instrument is used to finish the buccal and lingual proximal walls? Excavator Gingival margin trimmer Chisel Enamel hatchet An enamel hatchet is designed for precise finishing of proximal walls. 83 / 200 Category: Restorative 53) A deep carious lesion is indicated for extraction. Which of the following criteria helps in choosing the type of extraction? Percussion Pulpal pain 3 site caries Gingival swelling in buccal The extent of caries (3 site caries) is a critical factor in deciding the extraction method. 84 / 200 Category: Restorative 54) A 15-year-old patient with pain and radiolucency under #46 wants extraction, but the mother is unsure. What is the best action? Refuse extraction Ask for parental consent Do the patient's desire No treatment Parental consent is required for minors, and the dentist should discuss options with both parties. 85 / 200 Category: Restorative 55) What does chronic fluoride exposure primarily affect? Skeletal structures None Both Dental structures Chronic fluoride exposure primarily affects dental structures, causing fluorosis. 86 / 200 Category: Restorative 56) What can impinging clamp pressure on tissue cause? Recession Bleeding Infection Swelling Excessive clamp pressure can lead to gingival recession over time. 87 / 200 Category: Restorative 57) What is the most abundant component of dentin by weight? Collagen Organic material Inorganic material Water Inorganic material (hydroxyapatite) makes up the majority of dentin by weight. 88 / 200 Category: Restorative 58) Which factor indicates a high risk of caries? Good oral hygiene Open contact Fluorosis Using miswak Open contacts trap food and bacteria, increasing the risk of caries. 89 / 200 Category: Restorative 59) A patient with gingivitis needs a class II composite restoration. What could affect the composite? All of the above No direct effect Polymerization shrinkage Poor adhesion Polymerization shrinkage can compromise the marginal seal of the composite restoration. 90 / 200 Category: Restorative 60) A patient with bruxism has a fractured amalgam. What is the best treatment option? Cast restoration No treatment Ceramic inlay Composite Cast restoration provides durability and strength, which is ideal for patients with bruxism. 91 / 200 Category: Fixed Prosthodontics 1) A patient with stable MIC wants to construct a crown. Where should the crown be placed? CR CO Between them MIC The crown should be placed in maximum intercuspation (MIC) for stability and function. 92 / 200 Category: Fixed Prosthodontics 2) A photo shows a crown on #46 with open margins mesially and distally. What is the cause? Shrinkage during casting Over-tapered preparation Distortion of final impression Expansion of core Shrinkage during casting can lead to open margins in the final crown. 93 / 200 Category: Fixed Prosthodontics 3) What is the role of flux in soldering? Reduce melting temp of solder Act as separating medium Prevent oxidation Improve flow of solder Flux improves the flow of solder by removing oxides and ensuring a clean surface for bonding. 94 / 200 Category: Fixed Prosthodontics 4) What is an advantage of a modified ridge pontic? Esthetic and no surgery required Cost-effective Easy to clean Strong and durable A modified ridge pontic is esthetic and does not require surgical intervention. 95 / 200 Category: Fixed Prosthodontics 5) In a PFM crown, if the porcelain overlaps the cervical margin, what is this called? Metal margin Metalless Collarless Porcelain margin A collarless design refers to porcelain overlapping the cervical margin for better esthetics. 96 / 200 Category: Fixed Prosthodontics 6) A patient complains of a metallic taste and pain after cementing a cast post and crown. What is the cause? Vertical root fracture Eccentric occlusal interference Mobile crown Poor cementation A mobile crown can cause pain and a metallic taste due to movement and irritation. 97 / 200 Category: Fixed Prosthodontics 7) A patient has gum recession and a small restoration on an anterior tooth. What is aesthetically important? MIC Mesiodistal width of restoration Vertical height of gum Buccal-lingual width of gum The vertical height of the gum is crucial for esthetics in cases of recession. 98 / 200 Category: Fixed Prosthodontics 8) During try-in, there was high occlusal contact. What instrument is used to measure crown thickness? Iwanson caliper Occlusal gauge Periodontal probe Boley gauge An Iwanson caliper is used to measure crown thickness accurately. 99 / 200 Category: Fixed Prosthodontics 9) An ovate pontic causes tissue irritation. What material is most likely the cause? Porcelain Nickel chromium Resin Gold Nickel chromium can cause tissue irritation due to its rigidity and potential for allergic reactions. 100 / 200 Category: Fixed Prosthodontics 10) What is the first step during lithium disilicate cementation? Etching with phosphoric acid Cleaning with alcohol Etching with hydrofluoric acid Sandblasting Etching with hydrofluoric acid is the first step to prepare the lithium disilicate surface for bonding. 101 / 200 Category: Fixed Prosthodontics 11) What is the etchant used for porcelain? Nitric acid Phosphoric acid 37% Hydrofluoric acid 9.5 to 10% Sulfuric acid Hydrofluoric acid is specifically used to etch porcelain for bonding. 102 / 200 Category: Fixed Prosthodontics 12) What is a complication of a mesially tilted #37 for a 3-unit bridge? Pulp exposure Short mesial axial wall Irreversible pulpitis Fracture A mesially tilted tooth can result in a short mesial axial wall, compromising retention. 103 / 200 Category: Fixed Prosthodontics 13) In tooth preparation for a full ceramic crown, what principle is violated if the axial wall length is 2 mm? Preservation of tooth structure Preservation of periodontium Marginal integrity Retention and support A 2 mm axial wall length may compromise retention and support for the crown. 104 / 200 Category: Fixed Prosthodontics 14) During try-in of an upper molar, the crown glides superior-anteriorly. What should be adjusted? Mesial inclination of the upper Lingual inclination of the mandible Buccal inclination of the upper Distal inclination of the mandible Adjusting the mesial inclination of the upper crown can correct the superior-anterior glide. 105 / 200 Category: Fixed Prosthodontics 15) A patient complains of food accumulation and bleeding around a PFM crown. What is the management? Deep scaling and root planing Suction the crown and assess restorability Combined endodontic and periodontal surgery Proceed with endodontic treatment through PFM crown Assessing the crown’s restorability is the first step to address the issue. 106 / 200 Category: Fixed Prosthodontics 16) A ceramic onlay grips the shim stock but has no contact with other teeth. What does this mean? Slight hyper occlusion Occlusal interference, needs adjustment Good contact Deficient contact The onlay needs adjustment to ensure proper occlusal contact with adjacent teeth. 107 / 200 Category: Fixed Prosthodontics 17) A patient with a large amalgam restoration and caries is a bruxer. What is the best restoration option? Amalgam Metal crown Ceramic onlay Composite A metal crown is the most durable option for a bruxer with a large restoration. 108 / 200 Category: Fixed Prosthodontics 18) A patient has a crown on #26 with protrusive interference. How can you manage it? Buccal inclination of upper Lingual inclination of upper Mesial inclination of upper Buccal inclination of lower Adjusting the mesial inclination of the upper crown can eliminate protrusive interference. 109 / 200 Category: Fixed Prosthodontics 19) What is a complication of a pontic ridge lap? Tissue irritation Poor retention Fracture Less esthetic Tissue irritation is common due to difficulty in cleaning under the pontic ridge lap. 110 / 200 Category: Fixed Prosthodontics 20) What component attaches the prosthesis to the abutment tooth? Retainer Crown Connector Pontic The retainer is the component that attaches the prosthesis to the abutment tooth. 111 / 200 Category: Removable Prosthodontics 1) A patient with severe ridge resorption needs to replace 4 missing upper anterior teeth. What is the best option? RPD Fixed bridge Implant No treatment An RPD is the best option for patients with severe ridge resorption. 112 / 200 Category: Removable Prosthodontics 2) A patient has 6 mm from the gingival margin to the floor of the mouth. What major connector should be used? None of the above Lingual bar Palatal strap Lingual plate A lingual plate is suitable for cases with 6 mm of space. 113 / 200 Category: Removable Prosthodontics 3) A patient has hypersensitivity to percussion after receiving an RPD. What is the cause? Poor fit Excessive retention None of the above Defective occlusion Defective occlusion can cause hypersensitivity to percussion. 114 / 200 Category: Removable Prosthodontics 4) A patient with bruxism has a complete denture. What should be done to fix the problem? None of the above Rebase the denture Reline the denture Make teeth cusps inclined 30 degrees Inclining the teeth cusps at 30 degrees helps manage bruxism. 115 / 200 Category: Removable Prosthodontics 5) A diabetic patient with a denture has pinpoint hematoma. What should be done? Remove the denture until healing Wear the denture only during the day Antifungal Take vitamins Antifungal treatment is necessary for diabetic patients with denture-related hematoma. 116 / 200 Category: Removable Prosthodontics 6) What is a combination clasp in dental prosthetics? A clasp with both cast and wrought wire components A clasp with only wrought wire components None of the above A clasp with only cast components A combination clasp uses both cast and wrought wire for better retention and flexibility. 117 / 200 Category: Removable Prosthodontics 7) A patient lost tooth #11 due to trauma and wants immediate replacement. What is the best option? Implant Fixed bridge No treatment Transitional RPD A transitional RPD is the best immediate solution for replacing a missing tooth. 118 / 200 Category: Removable Prosthodontics 8) A patient with a history of anterior RPD has a red palate. What is the treatment? Analgesics Relieve the denture Antibiotics No action needed Relieving the denture addresses the pressure causing the red palate. 119 / 200 Category: Removable Prosthodontics 9) A patient with a perfect-fitting denture has redness in all areas. What is the cause? Poor relief in some areas Increased vertical dimension Poor fit Wearing denture all the time Wearing the denture all the time can cause tissue irritation and redness. 120 / 200 Category: Removable Prosthodontics 10) A patient is missing teeth #35, #38, and #48. What is the Kennedy classification? Class 1 Class 3 Class 2 mod 1 Class 1 mod 1 Missing teeth #35, #38, and #48 classify as Kennedy Class 3. 121 / 200 Category: Removable Prosthodontics 11) A patient has soreness on the ridge and slopes of the denture. What is the cause? Candida infection Hyperocclusion Poor denture fit None of the above Hyperocclusion can cause soreness on the ridge and slopes. 122 / 200 Category: Removable Prosthodontics 12) A patient cannot insert a complete denture the next morning after removing it at night. What is the cause? Occlusal issue Left in a dry field overnight Lack of insertion skills Lack of frenum relief Leaving the denture in a dry field overnight can cause warping, making it difficult to insert. 123 / 200 Category: Removable Prosthodontics 13) A patient with a severely resorbed ridge needs a new mandibular denture. What is the best impression technique? Admix Mucostatic Selective pressure Neutral zone An admix impression technique is ideal for severely resorbed ridges. 124 / 200 Category: Removable Prosthodontics 14) What is the main concern if a reciprocal arm fractures? Denture retention Patient comfort Abutment stability Occlusal balance A fractured reciprocal arm can compromise the stability of the abutment tooth. 125 / 200 Category: Removable Prosthodontics 15) A patient needs a crown on #36 with canine guidance occlusion. What articulator should be used? Semi-adjustable articulator Non-adjustable articulator Hand articulator Fully adjustable articulator A semi-adjustable articulator is suitable for canine guidance cases. 126 / 200 Category: Orthodontics 1) After space analysis, a patient has 26 mm of space but requires 25 mm. What does this indicate? Crowding Spacing Normal No treatment needed The space is sufficient, indicating a normal situation. 127 / 200 Category: Orthodontics 2) A patient has Class II malocclusion and lower crowding of 9 mm. What is the best treatment? No extraction Extract upper second premolars and lower first premolars Extract upper first premolars and lower second premolars Orthognathic surgery Extracting upper first premolars and lower second premolars is a common treatment for Class II with crowding. 128 / 200 Category: Orthodontics 3) A 22-year-old patient has Class II malocclusion with a good facial profile and well-aligned lower teeth. What is the best treatment? Functional appliance No treatment Orthognathic surgery Extract upper first premolars Extracting upper first premolars is a common treatment for Class II with good facial profile. 129 / 200 Category: Orthodontics 4) A patient complains of diffuse redness and pain in the left buccal mucosa 6 weeks after orthodontic installation. What is the most likely cause? Extended wire Allergy to NiTi wire Wire trauma Infection Allergy to NiTi wire can cause mucosal irritation and redness. 130 / 200 Category: Orthodontics 5) A patient wants to finish orthodontic treatment quickly. What is the best option? Surgery No treatment Accelerated orthodontics Cortical perforation Cortical perforation can accelerate tooth movement. 131 / 200 Category: Orthodontics 6) A patient complains of a deep bite and excessive vertical growth of the maxilla. What is the most likely diagnosis? Normal growth Skeletal Class III Skeletal Class II Vertical excess of the maxilla Skeletal Class II is characterized by excessive vertical growth of the maxilla. 132 / 200 Category: Orthodontics 7) A 12-year-old patient has Class III malocclusion with a normal mandibular position. What is the best treatment? Slow expansion Surgery No treatment Rapid expansion Rapid expansion is effective for Class III with normal mandibular position. 133 / 200 Category: Orthodontics 8) A 5-year-old patient has a crossbite. What is the best management? Use a fixed appliance No treatment Use a removable appliance Wait for mixed dentition Treatment is often deferred until mixed dentition in young patients. 134 / 200 Category: Orthodontics 9) A patient has a Class III molar relationship. What is the best camouflage extraction? Extract upper second premolar and lower first premolar No extraction Extract upper first premolar and lower first premolar Extract lower first premolar Extracting upper second premolar and lower first premolar is a common camouflage strategy for Class III malocclusion. 135 / 200 Category: Orthodontics 10) A patient has a protruded archwire causing ulceration. What is the best management? Apply wax Reassure the patient Prescribe pain medication Clip the wire Clipping the wire is the most effective way to relieve irritation. 136 / 200 Category: Pedodontics 1) A 3-year-old patient has multiple surface caries. What is the best restoration? SSC Composite RMGIC Amalgam SSCs are ideal for extensive caries in primary teeth. 137 / 200 Category: Pedodontics 2) A child has irreversible pulpitis in a primary tooth with extensive caries. What X-ray is needed? Panoramic Periapical OPG Bitewing A periapical X-ray is necessary to assess furcation involvement and successor teeth. 138 / 200 Category: Pedodontics 3) A pediatric patient has multiple surface caries in a primary molar. What is the best restoration? Stainless steel crown (SSC) GIC Composite Amalgam SSCs are the best option for extensive caries in primary molars. 139 / 200 Category: Pedodontics 4) A pediatric patient with an SSC complains of pain and bleeding. The SSC is 2 mm high, and X-rays show overhangs. What is the cause? Improper SSC size Normal adjustment Inadequate occlusal reduction Poor cementation Improper SSC size can cause overhangs and discomfort. 140 / 200 Category: Pedodontics 5) A pediatric patient has caries on the lateral incisor incisally and proximally. What is the best esthetic restoration? Composite GIC Resin-faced SSC SSC Resin-faced SSCs provide both durability and esthetics. 141 / 200 Category: Pedodontics 6) What makes primary tooth extraction difficult? Long, convergent roots Short, divergent roots Short, convergent roots Long, divergent roots Long, divergent roots make primary tooth extraction challenging. 142 / 200 Category: Pedodontics 7) What is the first step when child abuse is suspected? Documentation and report No action needed Reassure and review again Confront the parents Documentation and reporting are critical first steps in suspected abuse cases. 143 / 200 Category: Pedodontics 8) A 2-year-old caries-free child uses a bottle at night. What fluoride regimen is recommended? Smear size fluoridated toothpaste Pea size non-fluoridated toothpaste Pea size fluoridated toothpaste Smear size non-fluoridated toothpaste A smear of fluoridated toothpaste is recommended for young children. 144 / 200 Category: Pedodontics 9) After placing PRR and pit and fissure sealants, when should the patient return for follow-up? 2 years 12 months 6 months 3 months A 3-month follow-up is recommended for preventive care. 145 / 200 Category: Pedodontics 10) A child’s family has hurt his feelings. What type of abuse is this? Physical abuse Emotional abuse Sexual abuse Neglect Emotional abuse involves psychological harm. 146 / 200 Category: Periodontics 1) A patient has isolated recession in lower incisors and a high frenum. What is the treatment? Free gingival graft and frenectomy Gingivectomy Connective tissue graft and frenectomy Observation Connective tissue graft with frenectomy is used to treat recession and high frenum. 147 / 200 Category: Periodontics 2) A diabetic patient with HbA1c of 9 and 50% horizontal bone loss. What is the management? Extraction Antibiotics only SRP + doxycycline Refer to doctor Scaling and root planning (SRP) with doxycycline helps manage periodontitis in diabetic patients. 148 / 200 Category: Periodontics 3) A patient has 4 mm recession and 3 mm pocket depth. What does this indicate? 7 mm attachment loss 7 mm pseudo pocket 2 mm pocket depth 4 mm attachment loss The total attachment loss is the sum of recession and pocket depth (4 + 3 = 7 mm). 149 / 200 Category: Periodontics 4) What is the ideal activation angle during scaling and root planning? Less than insertion angle Less than 45° More than 90° 45-90° An activation angle of 45-90° is ideal for effective scaling and root planning. 150 / 200 Category: Periodontics 5) What is the position of the shank during scaling? Parallel to long axis 45 degrees Parallel to the surface being treated 75 degrees The shank should be parallel to the surface being treated during scaling. 151 / 200 Category: Periodontics 6) A patient wants crowns but has bleeding and pocket depths of 2-3 mm. What is the appropriate action? SRP and polishing Polishing and prep SRP every 4 weeks Observation Scaling and root planning (SRP) with polishing is necessary before crowns. 152 / 200 Category: Periodontics 7) A patient has pain and grade 1 mobility after a mesial restoration. Radiographs show funneling in the PDL. What is the diagnosis? Primary occlusal trauma Acute trauma Secondary occlusal trauma Chronic trauma Primary occlusal trauma is caused by excessive forces on a healthy periodontium. 153 / 200 Category: Periodontics 8) How deep can toothbrush bristles penetrate the sulcus? 0.5 - 1 mm 1 - 2 mm 3 - 4 mm 2 - 3 mm Toothbrush bristles can penetrate 0.5 - 1 mm into the sulcus. 154 / 200 Category: Periodontics 9) A patient on Dilantin has gingival enlargement and heavy plaque. What is the initial management? Gingivectomy Antibiotics Scaling Consult physician to change medication Consulting the physician to change medication is the first step. 155 / 200 Category: Periodontics 10) A patient has PD of 3-5 mm and 20% bone loss. What is the diagnosis? Generalized stage II grade B Localized stage II grade B Localized stage I grade A Generalized stage I grade A Generalized stage II grade B periodontitis is characterized by 20% bone loss. 156 / 200 Category: Periodontics 11) A patient has class I furcation involvement with 4 mm depth and bleeding. What is the treatment? Extraction Scaling and root planning with odontoplasty Gingivectomy Flap surgery Scaling and root planning with odontoplasty are used for class I furcation. 157 / 200 Category: Periodontics 12) A patient has sensitivity, inadequate keratinized tissue, and high frenum attachment. What is the treatment? Frenectomy + FGG FGG Frenectomy + CTG CTG Frenectomy with free gingival graft (FGG) is used to address high frenum attachment and insufficient keratinized tissue. 158 / 200 Category: Periodontics 13) Which tooth is most difficult to access during furcation treatment? 1st max molar 1st mand molar 2nd max molar 2nd mand molar The 1st max molar is often the most challenging due to its complex root anatomy. 159 / 200 Category: Periodontics 14) What are the periodontal effects of smoking? Increased BOP Increased gingival inflammation and decreased BOP Decreased gingival inflammation and BOP No effect Smoking increases gingival inflammation but decreases bleeding on probing (BOP). 160 / 200 Category: Periodontics 15) A young adult with orthodontic treatment has gingival enlargement. What is the first step? Gingivectomy Antibiotics Observation SRP and re-evaluation Scaling and root planning (SRP) with re-evaluation is the first step. 161 / 200 Category: Periodontics 16) A tooth is displaced 1 mm buccally. What is the Miller classification of mobility? Class 3 Class 1 Class 4 Class 2 Class 2 mobility involves displacement of 1 mm or more. 162 / 200 Category: Periodontics 17) What type of curette has an offset angle? Chisel Hoe Universal Gracey Gracey curettes have an offset angle for specific surfaces. 163 / 200 Category: Periodontics 18) Which bacteria are associated with periodontitis? S. mutans T. forsythia P. gingivalis A.A T. forsythia is a key pathogen associated with periodontitis. 164 / 200 Category: Periodontics 19) Which type of flap is good for biopsy and closed by primary intention? Elliptical Semilunar Envelope Triangular Elliptical flaps are commonly used for biopsies and allow primary closure. 165 / 200 Category: Periodontics 20) A patient has sensitivity, caries, and an impacted molar. What is the treatment sequence? Scaling, restoration, extraction Extraction, scaling, restoration Restoration, scaling, extraction Antibiotics Scaling, restoration, and extraction is the logical sequence for this case. 166 / 200 Category: Implant 1) What is the minimum age for a dental implant? 16 20 21 18 18 is the minimum age for dental implants due to jaw development. 167 / 200 Category: Implant 2) Why is D4 bone the worst for implants? High occlusion High vascularity Poor bone density Lack of primary stability D4 bone lacks primary stability due to low density. 168 / 200 Category: Implant 3) What injury can occur if no graft is done before placing an implant? Mentalis nerve Incisive nerve Mental foramen Inferior alveolar nerve The mental foramen can be injured without proper grafting. 169 / 200 Category: Implant 4) What is the largest implant size for a 7 mm mesiodistal space? 5 6 7 4 A 4 mm implant is the largest suitable for a 7 mm space. 170 / 200 Category: Implant 5) What is the minimum interocclusal space for a screwed implant? 6 mm 4 mm 7 mm 5 mm 4 mm is the minimum space required for a screwed implant. 171 / 200 Category: Implant 6) What is the recall interval after the first year for a stable implant? 3-4 months 1-2 months 7-8 months 5-6 months 5-6 months is the recommended recall interval after the first year. 172 / 200 Category: Implant 7) How many implants are needed for a 14 mm interdental space? Two implants Four implants One implant Three implants Two implants are needed for a 14 mm space. 173 / 200 Category: Implant 8) What is the treatment for a 4 mm interarch distance in tooth #14? Bone graft Screw-retained implant Return to surgeon Cemented crown A screw-retained implant is suitable for limited interarch space. 174 / 200 Category: Implant 9) What impression coping is used for tissue configuration after healing? Healing abutment Transfer pin Customized impression coping Open tray coping Customized impression copings capture the exact tissue configuration. 175 / 200 Category: Implant 10) How to manage bone loss around an implant? Change crown Remove cement Bone graft Remove implant Bone grafting is the best approach to manage bone loss. 176 / 200 Category: Implant 11) What should be done if an X-ray shows a long impression coping? Open tray impression Custom coping Plastic coping Closed tray impression Open tray impression is used for long impression copings to ensure accuracy. 177 / 200 Category: Implant 12) What is responsible for the emergence profile? Custom coping Transfer pin Implant analog Healing abutment The healing abutment shapes the soft tissue for the emergence profile. 178 / 200 Category: Implant 13) What is the implant length for tooth #15 with 12 mm bone height? 13 mm 12 mm 11 mm 10 mm An 11 mm implant is suitable for 12 mm bone height. 179 / 200 Category: Implant 14) What causes a black line around an implant in the upper lateral? Labial position Shadow of titanium abutment Poor hygiene Excess cement The shadow of the titanium abutment can cause a dark line. 180 / 200 Category: Implant 15) Why is a 17-year-old patient experiencing implant mobility? Underdeveloped jaw Excess cement Loose screw Poor hygiene A 17-year-old patient’s jaw is still developing, causing mobility. 181 / 200 Category: Professionalism and bioethics , infection control and patient safety 1) A doctor sees a lost patient but doesn’t help. What did they violate? Beneficence Justice Non-maleficence Autonomy Failing to help violates beneficence. 182 / 200 Category: Professionalism and bioethics , infection control and patient safety 2) What is used in dental clinics for sterilization? Dry heat Ethylene oxide Steam pressure UV light Steam pressure autoclaves are commonly used. 183 / 200 Category: Professionalism and bioethics , infection control and patient safety 3) A 75-year-old patient is told extraction and FPD are the only options. What did the doctor violate? Treatment quality Autonomy Informed consent Non-maleficence Failing to discuss all options violates autonomy. 184 / 200 Category: Professionalism and bioethics , infection control and patient safety 4) How should a prosthesis be disinfected before sending it to the lab? Glutaraldehyde Steam autoclave Dry heat UV light Glutaraldehyde is used for disinfection. 185 / 200 Category: Professionalism and bioethics , infection control and patient safety 5) A patient delays treatment for 6 months after signing consent. What should you do? Proceed with treatment Do nothing Refuse treatment Repeat and get new consent New consent is required after a delay. 186 / 200 Category: Professionalism and bioethics , infection control and patient safety 6) A doctor passes by a patient without helping. What did they violate? Justice Non-maleficence Beneficence Autonomy Ignoring a patient violates beneficence. 187 / 200 Category: Professionalism and bioethics , infection control and patient safety 7) What is the most common bacteria in waterlines? Mycobacterium tuberculosis E. coli Pseudomonas Legionella Legionella is common in waterlines. 188 / 200 Category: Professionalism and bioethics , infection control and patient safety 8) An assistant discusses a patient with a friend. What did she violate? Autonomy Beneficence Patient privacy Non-maleficence Discussing patient information violates privacy. 189 / 200 Category: Professionalism and bioethics , infection control and patient safety 9) A file separates during instrumentation but is bypassed. What type of error is this? Extreme miss System failure Miss Near miss Bypassing a separated file is a near miss. 190 / 200 Category: Professionalism and bioethics , infection control and patient safety 10) How should a biopsy be sent to the lab? Put in a sealed container Put in a sterile bag Put in a biohazard-labeled bag Put in a regular bag Biohazard labeling ensures safe handling. 191 / 200 Category: Professionalism and bioethics , infection control and patient safety 11) A cleaner gets a sharps injury from a needle covered in a bloody swab. What type of failure is this? System failure Latent failure Active failure Human error Active failure involves direct human error. 192 / 200 Category: Professionalism and bioethics , infection control and patient safety 12) A doctor doesn’t inform staff about a COVID patient. What did they violate? Colleagues Infection control Autonomy Community Failing to inform staff violates community safety. 193 / 200 Category: Professionalism and bioethics , infection control and patient safety 13) A patient cannot afford a crown but wants to save the tooth. What should you do? Dismiss the patient Offer other options Proceed with covered procedures Do a pulpectomy Offering alternatives respects patient autonomy. 194 / 200 Category: Professionalism and bioethics , infection control and patient safety 14) What should you do with an instrument kit with a blue color indicator? Use it Report it Discard it Return it to CSSD A blue indicator may indicate incomplete sterilization. 195 / 200 Category: Professionalism and bioethics , infection control and patient safety 15) What is the definition of autonomy? Right of the state to decide treatment Right of family to decide treatment Right of competent adults to make informed decisions Right of doctors to decide treatment Autonomy respects patient decision-making. 196 / 200 Category: Professionalism and bioethics , infection control and patient safety 16) A 14-year-old wants a dental diamond but her parents refuse. What should you do? Don’t do it without parental consent Don’t do it until a parent is present Give her an alternative Do it as she wants Parental consent is required for minors. 197 / 200 Category: Professionalism and bioethics , infection control and patient safety 17) A dental assistant gets injured during surgery and develops a fever. What should she do? Report to HR Take sick leave Ignore the injury Continue working Sick leave is necessary for recovery and infection control. 198 / 200 Category: Professionalism and bioethics , infection control and patient safety 18) What is the maximum number of bacteria allowed in waterlines? 500 5000 1000 7000 500 is the acceptable limit for bacterial count. 199 / 200 Category: Professionalism and bioethics , infection control and patient safety 19) What is the common route of infection in dental clinics? Airborne Direct and indirect contact Bloodborne Waterborne Direct and indirect contact are common routes. 200 / 200 Category: Professionalism and bioethics , infection control and patient safety 20) A patient refuses a rubber dam during RCT. What should the clinician do? Call the police Politely refuse to continue Complete treatment with cotton rolls Refer to another dentist Refusing to continue without a rubber dam is appropriate. Your score is The average score is 33% Facebook Twitter 0% Restart quiz Please rate this exam and leave a comment with any notes or suggestions. Anonymous feedback Thank you for your feedback Send feedback Facebook X LinkedIn Messenger Messenger WhatsApp Telegram Print Share Facebook X LinkedIn Pinterest Reddit Messenger Messenger WhatsApp Telegram Share via Email Print