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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) During RCT, an apex locator makes a sound when inserted. What is happening? File separation Apical perforation Normal Coronal perforation A sound from the apex locator suggests coronal perforation. 2 / 200 Category: Endodontics 2) What is the composition of PCA? None EDTA, urea peroxide, glycol EDTA, CaOH, glycol EDTA, NaOCl, glycol PCA contains EDTA, urea peroxide, and glycol. 3 / 200 Category: Endodontics 3) What is the best treatment for pinpoint pulp exposure? MTA GIC Resin CaOH liner MTA is preferred for pinpoint pulp exposure due to its sealing properties. 4 / 200 Category: Endodontics 4) A tooth was avulsed and kept in milk for 3 hours. What is the management? No treatment Extract the tooth Immerse in 2% sodium fluoride for 20 minutes and splint Immediately splint with rigid splint Sodium fluoride helps reduce resorption, and splinting stabilizes the tooth. 5 / 200 Category: Endodontics 5) Which tooth has a constant number of canals? Maxillary canine Maxillary central incisor Mandibular canine Mandibular central incisor Maxillary central incisors typically have one canal. 6 / 200 Category: Endodontics 6) What material is placed in the clot during revascularization of immature teeth? MTA Tribiotic Gutta-percha Calcium hydroxide MTA is used to seal the clot during revascularization. 7 / 200 Category: Endodontics 7) What is the management for primary endo secondary perio? Perio only RCT then perio treatment RCT only Perio then RCT RCT should be done first, followed by periodontal treatment. 8 / 200 Category: Endodontics 8) Which instrument is used for removing pulp tissue? Pesso reamer Barber broach Gates Glidden Lentulospiral Barber broach is designed to remove pulp tissue. 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 Endo Perio-Endo Perio Bone resorption in vital teeth is often periodontal in origin. 10 / 200 Category: Endodontics 10) During treatment of tooth #16, a perforation occurs. How is it managed? MTA Extraction Follow-up Re-RCT MTA is ideal for sealing perforations. 11 / 200 Category: Endodontics 11) A patient presents with pain in tooth 37, which has difficult anatomy on X-ray. What is the best management? Extraction RCT NSAID Pulpotomy NSAIDs are the first step in managing pain before definitive treatment. 12 / 200 Category: Endodontics 12) What is the most influential factor for successful reimplantation of an avulsed tooth? Storage medium Tetanus Time Antibiotic The time out of the socket is the most critical factor for success. 13 / 200 Category: Endodontics 13) Which dental material requires careful handling due to its caustic nature? Formocresol Ferric sulfate Calcium hydroxide Sodium hypochlorite Formocresol is highly caustic and requires careful handling. 14 / 200 Category: Endodontics 14) A tooth had RCT, failed, and was re-treated. An apical abscess is present. What is the prognosis? Questionable Good Poor Fair Persistent apical abscess indicates a poor prognosis. 15 / 200 Category: Endodontics 15) What type of trauma is associated with a metallic sound? Subluxation Extrusion Lateral luxation Intrusion A metallic sound is often heard in cases of intrusion. 16 / 200 Category: Endodontics 16) Which tooth is most difficult to anesthetize in symptomatic irreversible pulpitis? Lower molar Upper premolar Lower premolar Upper molar Lower molars are challenging due to dense bone and nerve anatomy. 17 / 200 Category: Endodontics 17) What is the difference between crown-down and step-back techniques? More tissue removal Less time Fewer instruments Coronal flare and low torsional flexure Crown-down technique focuses on coronal flare and reduces torsional stress. 18 / 200 Category: Endodontics 18) A pink color on the crown indicates what? Pulpitis External resorption Internal resorption Necrosis Pink discoloration is a sign of internal resorption. 19 / 200 Category: Endodontics 19) What is the recommended isolation method for RCT in an asthmatic patient? Rubber dam then cotton rolls Rubber dam Cotton rolls Cotton rolls then rubber dam Rubber dam is the gold standard for isolation during RCT. 20 / 200 Category: Endodontics 20) What is the best prognosis for horizontal root fractures? Coronal Cervical Middle Apical Apical fractures have the best prognosis. 21 / 200 Category: Endodontics 21) What percentage of gutta-percha is in a GP cone? 40% 50% 20% 30% GP cones typically contain 20% gutta-percha. 22 / 200 Category: Endodontics 22) Which avulsion scenario has the poorest prognosis? Avulsion >60 min open apex Avulsion <60 min open apex Avulsion <60 min closed apex Avulsion >60 min closed apex closed apex teeth have a poorer prognosis 23 / 200 Category: Endodontics 23) What causes brown precipitation in endodontic treatment? EDTA with sodium hypochlorite MTA with saline Chx with sodium hypochlorite Calcium hydroxide with saline Chlorhexidine (Chx) with sodium hypochlorite causes brown precipitation. 24 / 200 Category: Endodontics 24) A tooth with a 7mm pocket and no pain. What is the treatment? Apical surgery Amputation Extraction Non-surgical RCT Amputation is the best option for localized deep pockets. 25 / 200 Category: Endodontics 25) What type of injury involves tooth displacement buccally, lingually, mesially, or distally? Lateral luxation Intrusion Extrusion Subluxation Lateral luxation involves displacement in various directions. 26 / 200 Category: Endodontics 26) What is the best treatment for a 9-year-old with 3-4mm intrusion? Extraction Follow-up RCT Ortho reposition Follow-up is often sufficient for minor intrusions in children. 27 / 200 Category: Endodontics 27) A patient with a 7 mm deep pocket in the mesiobuccal root of a lower molar with endo treatment. What is the likely diagnosis? Localized periodontitis Periapical abscess Cracked tooth Vertical root fracture A deep isolated pocket in an endo-treated tooth suggests a vertical root fracture. 28 / 200 Category: Endodontics 28) Which instrument has an active cutting tip? H file Barbed broach K file Reamer The K file has an active cutting tip, making it effective for canal preparation. 29 / 200 Category: Endodontics 29) What is the best analgesic for post-endodontic pain? Acetaminophen NSAID Opioids None NSAIDs are effective for managing post-endodontic pain. 30 / 200 Category: Endodontics 30) A tooth with deep caries and normal pulp is sensitive to percussion but not tender. Upon caries removal, pulp exposure occurs. What is the diagnosis? Asymptomatic irreversible pulpitis with symptomatic apical tissue Asymptomatic irreversible pulpitis with normal apical tissue Necrotic pulp Reversible pulpitis Pulp exposure with normal apical tissue indicates asymptomatic irreversible pulpitis. 31 / 200 Category: Restorative 1) How should a bevel be placed in a class I preparation without burs? Bevel hatchet Enamel hatchet Excavator Chisel A chisel is used to create a bevel in class I preparations without burs. 32 / 200 Category: Restorative 2) Which type of GIC is used for cementation? Type 4 Type 2 Type 1 Type 3 Type 1 GIC is specifically designed for cementation purposes. 33 / 200 Category: Restorative 3) An older patient presents with thickening around the apex of a tooth. What is the cause? Infection Trauma Physiologic remodeling Cementum deposition Continuous cementum deposition throughout life can cause thickening around the apex. 34 / 200 Category: Restorative 4) A patient has white pigments around their teeth after removing orthodontic appliances. What is the best action? Restoration Fluoride gel Fluoride varnish Emphasize oral hygiene instructions Emphasizing oral hygiene helps prevent further decalcification and improves overall dental health. 35 / 200 Category: Restorative 5) What happens when filler content in a restoration is increased? Increased shrinkage Increased wear resistance Increased hydrophilicity Decreased strength Higher filler content improves wear resistance and durability of the restoration. 36 / 200 Category: Restorative 6) A broken tooth cannot accommodate a rubber dam. What is the best alternative? Cotton roll isolation No isolation Use a clamp Place on adjacent teeth Placing the rubber dam on adjacent teeth ensures proper isolation for the broken tooth. 37 / 200 Category: Restorative 7) In a deep cavity, where should decay removal begin to preserve pulp health? Dentin first Axial wall first Enamel first Floor first Starting with the axial wall reduces the risk of pulp exposure and preserves pulp health. 38 / 200 Category: Restorative 8) A patient wants to replace an amalgam restoration with 2 mm of remaining dentin. What liner should be used? GIC No liner Calcium hydroxide RMGIC With 2 mm of remaining dentin, no liner is necessary as the dentin provides sufficient protection. 39 / 200 Category: Restorative 9) Which instrument is used to finish the buccal and lingual proximal walls? Gingival margin trimmer Excavator Enamel hatchet Chisel An enamel hatchet is designed for precise finishing of proximal walls. 40 / 200 Category: Restorative 10) What is atraumatic restorative treatment (ART)? Surgical intervention Microabrasion Conservative treatment No treatment ART focuses on minimally invasive techniques to remove caries and restore teeth. 41 / 200 Category: Restorative 11) What is the dentist's position when working on teeth #41 and #31? 12 o'clock 7 o'clock 9 o'clock 11 o'clock The 12 o'clock position provides optimal access to the mandibular anterior teeth. 42 / 200 Category: Restorative 12) A deep carious lesion is indicated for extraction. Which of the following criteria helps in choosing the type of extraction? 3 site caries Percussion Pulpal pain Gingival swelling in buccal The extent of caries (3 site caries) is a critical factor in deciding the extraction method. 43 / 200 Category: Restorative 13) What type of dentin forms when odontoblasts are disrupted by strong caries? Tertiary reactionary dentin Primary dentin Secondary dentin Reparative dentin Reparative dentin forms in response to strong caries to protect the pulp. 44 / 200 Category: Restorative 14) Why is acid etching done before restorative treatment? Improve adhesion Prevent thermal exchange Prevent microleakage All of the above Acid etching creates microporosities in the enamel, improving adhesion and preventing microleakage. 45 / 200 Category: Restorative 15) What is the best restoration for caries extending to the DEJ? Amalgam Composite GIC RMGIC RMGIC is ideal for caries near the DEJ due to its adhesion and fluoride release properties. 46 / 200 Category: Restorative 16) Which impression material can be poured after one day? Zinc oxide PVS Alginate Polysulfide PVS (polyvinyl siloxane) retains its dimensional stability and can be poured after one day. 47 / 200 Category: Restorative 17) What type of collagen is present in the pulp during development? Type 4 Type 1 Type 2 Type 3 Type 3 collagen is the primary collagen type in the pulp during development. 48 / 200 Category: Restorative 18) A 15-year-old patient has extensive proximal caries. What is the best treatment plan? Cast metal crowns Caries excavation and temporization Amalgam restorations Diet control Excavating caries and temporizing allows for further evaluation and comprehensive treatment planning. 49 / 200 Category: Restorative 19) A patient complains of food impaction after an amalgam restoration. What is the likely cause? Occlusal trauma Lack of embrasure Open contact Overhanging restoration An open contact allows food to accumulate between teeth, causing impaction. 50 / 200 Category: Restorative 20) A class V restoration has less than 0.5 mm of remaining dentin thickness. What liner should be used? GIC RMGIC Zinc oxide Calcium hydroxide Calcium hydroxide is ideal for deep class V restorations to protect the pulp. 51 / 200 Category: Restorative 21) When should polysulfide impressions be poured? Immediately 1 hour 15 minutes 1 week Polysulfide impressions should be poured within 1 hour to ensure accuracy. 52 / 200 Category: Restorative 22) How does GIC compare to composite in terms of thermal expansion? Similar to dentin Similar to enamel Poor coefficient of expansion Excellent coefficient of expansion GIC has a thermal expansion coefficient closer to tooth structure, reducing microleakage. 53 / 200 Category: Restorative 23) What is the purpose of a liner in a casting ring? Increase strength Reduce porosity Prevent shrinkage Allow uniform expansion A liner allows uniform expansion of the investment material during casting. 54 / 200 Category: Restorative 24) What is the fourth dental material category besides polymers, metals, and porcelain? Cement Composite Alginate Stone Composite is a distinct category of dental materials, combining resin and filler particles. 55 / 200 Category: Restorative 25) Which cement requires slow mixing? Resin GIC Zinc polycarboxylate Zinc phosphate Zinc phosphate requires slow mixing to control the exothermic reaction and achieve proper consistency. 56 / 200 Category: Restorative 26) What type of wear is indicated by islands of amalgam surrounded by worn tooth structure? Abfraction Erosion Abrasion Attrition Erosion causes localized wear, leaving islands of restorative material like amalgam. 57 / 200 Category: Restorative 27) A patient wants to place a final crown with temporary cement to evaluate sensitivity. Which cement is best? Non-eugenol zinc oxide Resin cement Glass ionomer Zinc phosphate Non-eugenol zinc oxide is ideal for temporary cementation due to its biocompatibility. 58 / 200 Category: Restorative 28) Which tooth is most prone to caries? Maxillary second molar Maxillary first molar Mandibular first molar Mandibular second molar The mandibular first molar is the most prone to caries due to its deep pits and fissures. 59 / 200 Category: Restorative 29) What should be done if composite is unavailable for an MOD cavity? Temporary restoration No treatment GIC restoration Amalgam restoration A temporary restoration allows time to obtain the appropriate materials for a permanent restoration. 60 / 200 Category: Restorative 30) What is the anatomical difference between central incisors before and after avulsion? Longer mesial slope Distal crown rounding Longer distal slope Mesial crown rounding Central incisors have a rounded distal crown edge, which helps differentiate them. 61 / 200 Category: Restorative 31) A 15-year-old patient with pain and radiolucency under #46 wants extraction, but the mother is unsure. What is the best action? Ask for parental consent Do the patient's desire No treatment Refuse extraction Parental consent is required for minors, and the dentist should discuss options with both parties. 62 / 200 Category: Restorative 32) What are the components of preventive resin restorations? Componer Glass ionomer Composite RMGI Preventive resin restorations primarily use composite due to its aesthetic and adhesive properties. 63 / 200 Category: Restorative 33) Which factor indicates a high risk of caries? Open contact Fluorosis Good oral hygiene Using miswak Open contacts trap food and bacteria, increasing the risk of caries. 64 / 200 Category: Restorative 34) What is the strongest phase in amalgam? Beta Gamma Gamma 2 Gamma 1 The gamma phase is the strongest and most stable phase in amalgam. 65 / 200 Category: Restorative 35) Which restoration for posterior teeth is both aesthetic and durable? RMGI Low filler composite Amalgam High filler composite High filler composite provides strength and aesthetics, making it suitable for posterior teeth. 66 / 200 Category: Restorative 36) A patient with bruxism has a fractured amalgam. What is the best treatment option? Ceramic inlay No treatment Cast restoration Composite Cast restoration provides durability and strength, which is ideal for patients with bruxism. 67 / 200 Category: Restorative 37) What are the features of active caries? None Discolored and pitted Matte, soft, and chalky Shiny, hard, and smooth Active caries appear matte, soft, and chalky due to enamel demineralization. 68 / 200 Category: Restorative 38) Which material undergoes an acid-base reaction during setting? RMGI Componer Glass ionomer Composite Glass ionomer sets through an acid-base reaction between the glass powder and polyacid liquid. 69 / 200 Category: Restorative 39) 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. 70 / 200 Category: Restorative 40) Which approach is more esthetic for a class III restoration? Facial Lingual Both None A lingual approach is often more esthetic for class III restorations due to visibility. 71 / 200 Category: Restorative 41) A deep class II restoration shows good margins but bone loss in the area. What is affected? Periodontium Pulp Enamel Dentin Bone loss indicates periodontal involvement, likely due to the restoration's proximity to the bone. 72 / 200 Category: Restorative 42) What is the best dentist position for treating teeth #41 and #31? 11 o'clock 7 o'clock 9 o'clock 12 o'clock The 12 o'clock position provides optimal access to the mandibular anterior teeth. 73 / 200 Category: Restorative 43) A patient has a small amalgam restoration in #16 that needs replacement. What is the best option? Gold Composite Cast ceramic Glass ionomer Composite is the most aesthetic and functional option for replacing small amalgam restorations. 74 / 200 Category: Restorative 44) What happens during syneresis and imbibition of alginate? Shrinkage Expansion Loss of water (syneresis) Absorption of water (imbibition) Syneresis is the loss of water, while imbibition is the absorption of water, affecting alginate stability. 75 / 200 Category: Restorative 45) What happens when zinc phosphate cement is used for cementation? Pulp necrosis Discoloration Allergic reaction Sensitivity Zinc phosphate can cause pulp necrosis due to its acidic nature and irritation. 76 / 200 Category: Restorative 46) What is the characteristic setting reaction of PVS? Polymerization Cross-linking Addition Condensation PVS sets through an addition reaction, which is more stable and predictable. 77 / 200 Category: Restorative 47) What causes gypsum to break during flasking? Exothermic reaction Shrinkage Insufficient bulk Improper mixing Insufficient bulk of gypsum material leads to weak areas that can break during flasking. 78 / 200 Category: Restorative 48) A patient experiences severe pain during in-office bleaching. What is the likely cause? Gingival bleaching Light intensity High pH of bleaching agent Tooth sensitivity Incorrect placement of the rubber dam can cause gingival irritation and pain during bleaching. 79 / 200 Category: Restorative 49) What increases the retention of pit and fissure sealants? Air abrasion No treatment Acid etching Bonding agent Acid etching creates microporosities in the enamel, improving sealant retention. 80 / 200 Category: Restorative 50) What is the term for the change in length per unit length of a material as temperature changes? Thermal conductivity Thermal resistance Thermal coefficient of expansion Thermal diffusivity The thermal coefficient of expansion measures how a material expands or contracts with temperature changes. 81 / 200 Category: Restorative 51) What is the most important consideration when replacing an amalgam restoration in a patient with a deep bite? Pulp health Occlusal adjustment Material choice Impression technique Accurate impressions ensure the final restoration fits properly and functions well. 82 / 200 Category: Restorative 52) Which impression material is reversible? Alginate Polysulfide PVS Agar Agar is a reversible hydrocolloid, meaning it can transition between gel and sol states. 83 / 200 Category: Restorative 53) A patient has white pigments around their teeth after removing orthodontic appliances. What is the most suitable action? Reinforce oral hygiene instructions Fluoride gel Restoration Fluoride varnish Reinforcing oral hygiene helps prevent further decalcification and improves overall dental health. 84 / 200 Category: Restorative 54) What happens if alginate is left under a wet towel for an hour before pouring? Imbibition Shrinkage Expansion Syneresis Imbibition causes the alginate to absorb water, leading to dimensional changes. 85 / 200 Category: Restorative 55) How should carbide burs be evaluated for survival and effectiveness? Low speed before tooth contact High speed before tooth contact Low speed out of oral cavity High speed out of oral cavity Testing burs at high speed before tooth contact ensures their effectiveness and longevity. 86 / 200 Category: Restorative 56) What causes a grainy impression when moisture contaminates the powder? Distorted impression Chalky cast Grainy impression Tear in impression Moisture contamination leads to a grainy texture in the impression material. 87 / 200 Category: Restorative 57) What is the purpose of applying a separating medium? To remove gutta-percha To clean the canal For cement To isolate the tooth A separating medium prevents cement from sticking to unwanted surfaces during restoration. 88 / 200 Category: Restorative 58) Condensation of amalgam for 8 minutes results in: No change Amalgam will set Easy to carve Residual mercury increases Prolonged condensation causes the amalgam to set, making it difficult to manipulate. 89 / 200 Category: Restorative 59) A patient experiences pain during tooth preparation, even on the enamel layer. What is the likely cause? Enamel lamellae Rods Enamel spindle Enamel tufts Enamel spindles are extensions of odontoblasts into the enamel, which can cause sensitivity. 90 / 200 Category: Restorative 60) Which cement requires slow mixing to reach the desired consistency? Resin Zinc phosphate Polycarboxylate GIC Zinc phosphate requires slow mixing to control the exothermic reaction and achieve proper consistency. 91 / 200 Category: Fixed Prosthodontics 1) During impression for a PFM crown, there is a void in the facial surface margin. What should be done? Use a different impression material Fill the void with wax Remake impression Proceed with the impression A void in the impression margin requires remaking the impression for accuracy. 92 / 200 Category: Fixed Prosthodontics 2) For a vital tooth, which material should be avoided? Bis Acrylic Poly Eth Meth Poly Meth Meth Poly Vin Meth Meth Poly Meth Meth (PMMA) can cause pulpal irritation and should be avoided for vital teeth. 93 / 200 Category: Fixed Prosthodontics 3) An FPD with gold has rocking during metal try-in. What should be done? Adjust the occlusion Re-cement the FPD Remake the FPD Sectioning and soldering Sectioning and soldering the FPD ensures a proper fit and eliminates rocking. 94 / 200 Category: Fixed Prosthodontics 4) Gutta percha length is 22 mm. What is the length of the post? 22-20 mm 20-18 mm 19-17 mm 21-19 mm The post length should be 3-5 mm shorter than the gutta percha to maintain apical seal. 95 / 200 Category: Fixed Prosthodontics 5) A lateral incisor is fractured at the gingival level with a long root. What is the best treatment? Extraction Gingivectomy Extrusion + osseous surgery Post, core, and crown Extrusion followed by osseous surgery can save the tooth and restore function. 96 / 200 Category: Fixed Prosthodontics 6) A patient wants to replace #12 with a 3-unit bridge from #11-13. During metal try-in, there is a bubble. What does this mean? Poor marginal fit Poor fit of the retainer Fractured connector Increased luting space of #11 A bubble during try-in indicates increased luting space, which can affect the fit of the bridge. 97 / 200 Category: Fixed Prosthodontics 7) A patient has an FPD with roughness and dental floss breaks. What is the management? Modify the open margin on the dental chair Re-cement the FPD Modify the open margin in the lab Remake the FPD Roughness and open margins require remaking the FPD for proper fit and function. 98 / 200 Category: Fixed Prosthodontics 8) What type of occlusion is best for full-mouth rehabilitation? Bilateral Canine guidance Group function None of the above Canine guidance provides stable and functional occlusion for full-mouth rehabilitation. 99 / 200 Category: Fixed Prosthodontics 9) What is the purpose of a post in a restored tooth? Reduce cost Provide core retention Improve esthetics Provide canal retention The primary purpose of a post is to provide retention for the core material. 100 / 200 Category: Fixed Prosthodontics 10) What is the best core material for a ceramic crown? Zirconia Gold Amalgam Composite Zirconia provides excellent strength and esthetics for ceramic crowns. 101 / 200 Category: Fixed Prosthodontics 11) A patient complains of food accumulation and bleeding around a PFM crown. What is the management? Deep scaling and root planing Proceed with endodontic treatment through PFM crown Suction the crown and assess restorability Combined endodontic and periodontal surgery Assessing the crown’s restorability is the first step to address the issue. 102 / 200 Category: Fixed Prosthodontics 12) A patient wants to replace teeth #14 and #15. What is the best bridge design? 5-unit non-rigid connector 5-unit fixed-fixed 6-unit 4-unit (16, 13) A 4-unit bridge from #16 to #13 provides adequate support for replacing #14 and #15. 103 / 200 Category: Fixed Prosthodontics 13) A mesiolingual gold onlay causes deflection during closing. What is the problem? Centric relation Working Protrusive Centric stop Deflection during closing indicates an issue with the centric stop. 104 / 200 Category: Fixed Prosthodontics 14) What is the first step in preparing lithium disilicate for cementation? Sandblasting Cleaning with alcohol Hydrofluoric acid Phosphoric acid Hydrofluoric acid etching is the first step to prepare lithium disilicate for bonding. 105 / 200 Category: Fixed Prosthodontics 15) A patient complains of opacity in the incisal third of a crown. What is the cause? Insufficient opaque layer Over-contouring Poor bonding One-plane preparation One-plane preparation can lead to opacity in the incisal third of the crown. 106 / 200 Category: Fixed Prosthodontics 16) What is the role of flux in soldering? Reduce melting temp of solder Improve flow of solder Act as separating medium Prevent oxidation Flux improves the flow of solder by removing oxides and ensuring a clean surface for bonding. 107 / 200 Category: Fixed Prosthodontics 17) What instrument is used for beveling during onlay preparation? Gingival margin trimmer Carbide bur Diamond instrument Chisel A diamond instrument is used for precise beveling during onlay preparation. 108 / 200 Category: Fixed Prosthodontics 18) A patient wants to restore 3 missing lower anteriors. The dentist decides on tooth #32 based on what? Incisal slopes inclined distally Same mesiodistal width on each side Tooth is off-center Bilaterally symmetrical The incisal slopes inclined distally help determine the correct position of the missing teeth. 109 / 200 Category: Fixed Prosthodontics 19) A patient complains of bad taste and smell after a 3-unit FPD. Bubbles appear in the cervical region of a retainer. What is the cause? Food debris beneath the pontic Open margins of the retainer Connector fracture Loosening of the retainer Loosening of the retainer can cause bubbles and lead to bad taste and smell. 110 / 200 Category: Fixed Prosthodontics 20) A patient with a bridge from #34 to #36 complains of malodor. Bubbles are found under the retainer of #34. What is the cause? Fractured abutment or retainer Fractured connector Food impingement under pontic Space between abutment and retainer A space between the abutment and retainer can trap debris, causing malodor. 111 / 200 Category: Removable Prosthodontics 1) A patient with Kennedy Class I has an undercut not in the cervical part. What clasp should be used? Distal rest and mesial I-bar Mesial rest and distal I-bar Mesial rest and distal circumferential Distal rest and mesial circumferential A mesial rest and distal circumferential clasp is suitable for this case. 112 / 200 Category: Removable Prosthodontics 2) A patient is missing teeth #35 and #36. Where should the indirect retainer be placed? No indirect retainer needed On #45 and #46 embrasure On #43 and #45 On #45 and #46 No indirect retainer is needed for Kennedy Class III cases. 113 / 200 Category: Removable Prosthodontics 3) A patient has a complete denture with anterior teeth set too far labially. What is the effect? None of the above Affects stability No effect Improves esthetics Anterior teeth set too far labially can affect the stability of the denture. 114 / 200 Category: Removable Prosthodontics 4) What impression technique is used for a flabby ridge? Muco-compressive Mucostatic Admix None of the above A mucostatic impression technique is used for flabby ridges. 115 / 200 Category: Removable Prosthodontics 5) A diabetic patient complains of discomfort with an upper RPD. What is the management? Prescribe insulin Prescribe acyclovir Prednisone Reduction from the fitting surface Reducing pressure from the fitting surface alleviates discomfort in diabetic patients. 116 / 200 Category: Removable Prosthodontics 6) A patient is missing teeth #35, #38, and #48. What is the Kennedy classification? Class 3 Class 1 Class 1 mod 1 Class 2 mod 1 Missing teeth #35, #38, and #48 classify as Kennedy Class 3. 117 / 200 Category: Removable Prosthodontics 7) What are the irregular elevations in the middle of the anterior maxilla? Median raphe None of the above Palatal rugae Residual ridge Palatal rugae are the irregular elevations in the anterior maxilla. 118 / 200 Category: Removable Prosthodontics 8) A patient has tissue overgrowth near the lower denture. What is the preliminary management? Trim the irritated part of the denture Implant overdenture No action needed Construct a new denture Trimming the irritated part of the denture is the first step in managing tissue overgrowth. 119 / 200 Category: Removable Prosthodontics 9) A patient with Kennedy Class I RPD has unstable rest seats. What should be done? Rebase the denture Change the position of rest seats Change the denture Reline the denture Changing the position of rest seats ensures stability for the RPD. 120 / 200 Category: Removable Prosthodontics 10) What resists horizontal movement but provides poor vertical support? Flat palate U-shaped palate V-shaped palate Horseshoe palate A V-shaped palate resists horizontal movement but offers poor vertical support. 121 / 200 Category: Removable Prosthodontics 11) A patient with an immediate denture complains of poor retention after 6-7 months. What is the best treatment? Replace the denture Rebase the denture Adjust the denture Laboratory reline A laboratory reline improves retention for immediate dentures. 122 / 200 Category: Removable Prosthodontics 12) A patient with a severely resorbed ridge needs a new mandibular denture. What is the best impression technique? Mucostatic Admix Neutral zone Selective pressure An admix impression technique is ideal for severely resorbed ridges. 123 / 200 Category: Removable Prosthodontics 13) A patient with new complete dentures complains of pain and erythema in both ridges. What is the cause? Premature contact in lateral movement Insufficient freeway space None of the above Insufficient vertical dimension Insufficient freeway space can cause pain and erythema in the ridges. 124 / 200 Category: Removable Prosthodontics 14) A patient lost tooth #11 due to trauma and wants immediate replacement. What is the best option? Implant No treatment Fixed bridge Transitional RPD A transitional RPD is the best immediate solution for replacing a missing tooth. 125 / 200 Category: Removable Prosthodontics 15) What is attached to a complete overdenture? Implant Analog Locator Coping Locators are commonly used in complete overdentures. 126 / 200 Category: Orthodontics 1) If 75 g of force is used for tipping a central incisor, what force is used for intrusion? 100 g 125 g 75 g 25 g Intrusion requires lighter forces, typically around 25 g. 127 / 200 Category: Orthodontics 2) What appliance is used to retract anterior teeth when space is available? Facemask Twin block Hawley with labial bow Quad helix A Hawley appliance with a labial bow is effective for retracting anterior teeth. 128 / 200 Category: Orthodontics 3) An orthodontic patient has a bulging band causing ulceration. What is the best management? Remove the appliance Apply wax Wait for the next appointment Cut the band Applying wax is the best immediate solution to relieve irritation. 129 / 200 Category: Orthodontics 4) Which type of occlusion is a contraindication for an anterior bite plane? Open bite Normal occlusion Crossbite Deep bite Anterior bite planes are contraindicated in patients with open bites. 130 / 200 Category: Orthodontics 5) A 4-year-old patient has a mandibular shift when closing the mouth. What is the best management? Use a functional appliance Wait for permanent teeth to erupt Remove interference from canines No treatment Removing interference from canines can correct the mandibular shift. 131 / 200 Category: Orthodontics 6) A mother is concerned about her child’s retruded mandible. What measurement determines mandibular position? SNB ANB SNA SN-MP SNB is used to assess the position of the mandible. 132 / 200 Category: Orthodontics 7) A 2-year-old child sucks their thumb during sleep. What is the best management? Use a fixed habit-breaking appliance Defer treatment until age 8 No treatment Use a removable habit-breaking appliance Thumb-sucking in very young children is normal and does not require immediate treatment. 133 / 200 Category: Orthodontics 8) What does an increased ANB angle indicate? Class III Normal occlusion Class I Class II An increased ANB angle is indicative of Class II malocclusion. 134 / 200 Category: Orthodontics 9) What is the most common malocclusion? Class I aligned teeth Class I crowding Class III Class II Class I crowding is the most common type of malocclusion. 135 / 200 Category: Orthodontics 10) A patient with Class II malocclusion and a good facial profile needs correction of deep bite and overjet. What is the best treatment? Functional appliance No treatment Orthognathic surgery Extract upper first premolars Extracting upper first premolars is a common treatment for deep bite and overjet. 136 / 200 Category: Pedodontics 1) What makes primary tooth extraction difficult? Short, convergent roots Long, divergent roots Short, divergent roots Long, convergent roots Long, divergent roots make primary tooth extraction challenging. 137 / 200 Category: Pedodontics 2) A pediatric patient has an ankylosed primary molar and a missing permanent successor. What is the best management? No treatment Extract the primary molar Refer to a specialist Wait for natural exfoliation Ankylosed primary molars with missing successors require specialist intervention. 138 / 200 Category: Pedodontics 3) A mother reports her child is on a strict diet and has interproximal caries on lower molars. What is the best restoration? SSC Amalgam GIC Adhesive resin restoration Adhesive resin restorations are ideal for small interproximal caries. 139 / 200 Category: Pedodontics 4) A pediatric patient is severely apprehensive and has multiple caries. What is the best management? SSC Resin RMGIC Composite RMGIC is ideal for extensive caries in apprehensive patients. 140 / 200 Category: Pedodontics 5) What is the most common type of child abuse related to orofacial injuries? Sexual abuse Psychological abuse Neglect Physical abuse Physical abuse is the most common cause of orofacial injuries in children. 141 / 200 Category: Pedodontics 6) 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? Poor cementation Normal adjustment Improper SSC size Inadequate occlusal reduction Improper SSC size can cause overhangs and discomfort. 142 / 200 Category: Pedodontics 7) Where is the loop located in a band and loop space maintainer? On the occlusal surface At the contact point On the lingual surface On the buccal surface The loop is placed at the contact point to maintain space. 143 / 200 Category: Pedodontics 8) A 3-year-old patient has multiple caries. What is the best management? GIC RMGIC Amalgam Composite RMGIC is ideal for extensive caries in young children. 144 / 200 Category: Pedodontics 9) A 9-year-old patient has insufficient arch size in the mandible. Which tooth is most likely malpositioned? Second premolar First premolar Lateral incisor Canine The second premolar is often affected by insufficient arch size. 145 / 200 Category: Pedodontics 10) 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? Poor cementation Inadequate occlusal reduction Normal adjustment Improper SSC size Improper SSC size can cause overhangs and discomfort. 146 / 200 Category: Periodontics 1) A patient is unhappy with their smile, has a short clinical crown, and a 12 mm sulcus depth. What is the treatment? Gingivectomy Scaling Ortho extrusion Crown lengthening Crown lengthening is the best option for improving the appearance of short crowns. 147 / 200 Category: Periodontics 2) What is the treatment sequence for a tooth needing endo, ortho extrusion, and a crown? Ortho extrusion, endo, crown Endo, crown, ortho extrusion Crown, endo, ortho extrusion Endo, ortho extrusion, crown The sequence is endo, ortho extrusion, and then crown placement. 148 / 200 Category: Periodontics 3) A patient has grade 1 mobility in lower teeth, calculus, and PD of 5 mm. What is the treatment? Extraction Scaling and root planning Antibiotics Splinting Scaling and root planning are the first steps in managing periodontal disease. 149 / 200 Category: Periodontics 4) A patient has bleeding during brushing and probing. What stage of inflammation is this? Plasma cell Leukocyte T Neutrophil Leukocyte B Leukocyte T stage is associated with bleeding during probing. 150 / 200 Category: Periodontics 5) What is the grade of fremitus when movement is palpable but not visible? Grade 4 Grade 3 Grade 2 Grade 1 Grade 2 fremitus is palpable but not visibly noticeable. 151 / 200 Category: Periodontics 6) A 20-year-old female needs crown lengthening on #43 with 2 mm keratinized gingiva. What type of flap is used? Semilunar flap Coronally positioned flap Apically positioned flap Connective tissue graft Coronally positioned flaps are used for crown lengthening with minimal keratinized tissue. 152 / 200 Category: Periodontics 7) What is the sequence after RCT for a tooth needing crown lengthening? Post/core, crown lengthening, crown Cast post/core, ortho extrusion, crown Crown lengthening, post/core, crown Ortho extrusion, post/core, crown The sequence is cast post/core, ortho extrusion, and then crown placement. 153 / 200 Category: Periodontics 8) What is the ideal activation angle during scaling and root planning? Less than 45° Less than insertion angle More than 90° 45-90° An activation angle of 45-90° is ideal for effective scaling and root planning. 154 / 200 Category: Periodontics 9) What happens to the interdental papilla when teeth are moved apart by orthodontics? Becomes fibrous Splits and forms deep pockets Disappears Adapts to the bone The interdental papilla adapts to the bone when teeth are moved apart. 155 / 200 Category: Periodontics 10) A patient has isolated recession in lower incisors and a high frenum. What is the treatment? Free gingival graft and frenectomy Observation Gingivectomy Connective tissue graft and frenectomy Connective tissue graft with frenectomy is used to treat recession and high frenum. 156 / 200 Category: Periodontics 11) A patient with grade I furcation involvement and normal probing depths. What is the treatment? Root resection Odontoplasty GTR Root coverage Odontoplasty is often used to manage grade I furcation involvement. 157 / 200 Category: Periodontics 12) A clinical picture shows a periodontal abscess with pus discharge. What is the treatment? Incision and drainage Extraction RCT Observe Incision and drainage are necessary to manage a periodontal abscess with pus. 158 / 200 Category: Periodontics 13) 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. 159 / 200 Category: Periodontics 14) How much bone loss is required to appear on radiographs? 10-20% 50-70% 30-50% 20-30% Bone loss of 30-50% is typically visible on radiographs. 160 / 200 Category: Periodontics 15) A patient has pain and grade 1 mobility after a mesial restoration. Radiographs show funneling in the PDL. What is the diagnosis? Chronic trauma Secondary occlusal trauma Primary occlusal trauma Acute trauma Primary occlusal trauma is caused by excessive forces on a healthy periodontium. 161 / 200 Category: Periodontics 16) A diabetic patient lost all her mobile teeth. What is the cause? Caries Periodontitis Trauma Systemic disease Periodontitis is a common cause of tooth loss in diabetic patients. 162 / 200 Category: Periodontics 17) Which statement is less likely correct about smoking and periodontal disease? Smoking causes imbalance between bacteria and host response Smokers have more red and orange complex bacteria Smoking decreases inflammation Smokers have more plaque Smokers do not necessarily have more plaque, but they have altered bacterial flora. 163 / 200 Category: Periodontics 18) A patient has 6 mm from CEJ to the base of the pocket. What does this indicate? 2 mm pocket depth, 4 mm attachment loss 6 mm attachment loss 6 mm pseudo pocket 4 mm pocket depth, 2 mm attachment loss The 6 mm measurement indicates 2 mm pocket depth and 4 mm attachment loss. 164 / 200 Category: Periodontics 19) A heavy smoker is defined as someone who smokes at least how many cigarettes per day? 30 cigarettes 40 cigarettes 10 cigarettes 20 cigarettes A heavy smoker is typically defined as someone who smokes at least 20 cigarettes per day. 165 / 200 Category: Periodontics 20) What is the term for interproximal correction during perio surgery with vertical defects? Radical Flap elevation Apical repositioning Interproximal flattening Interproximal flattening is used to correct vertical bone defects. 166 / 200 Category: Implant 1) What is the best option for a diabetic patient with missing teeth? Removable Implant Fixed Can’t replace Implants are suitable for controlled diabetic patients. 167 / 200 Category: Implant 2) What is the treatment for a mobile distal implant? Functional load Remove distal implant Bone augmentation Vertical bone graft Removing the mobile implant is the best approach. 168 / 200 Category: Implant 3) What indicates failure of an implant in the posterior maxilla? High remodeling Insufficient primary stability Increased blood supply High occlusal force Insufficient primary stability is a common cause of implant failure. 169 / 200 Category: Implant 4) What is the best coping for an aesthetic anterior implant? Healing abutment Customized coping impression Transfer pin Open tray coping Customized coping impressions provide the best aesthetics. 170 / 200 Category: Implant 5) What is shown in the picture of an implant hybrid? Healing abutment Implant hybrid Transfer pin Custom coping The picture shows an implant hybrid prosthesis. 171 / 200 Category: Implant 6) What is shown in the picture of an implant analog? Implant analog Healing abutment Custom coping Transfer pin The picture shows an implant analog used in the lab. 172 / 200 Category: Implant 7) What is the normal bone loss around an implant in the first year? 2-2.5 mm 0.5-1 mm 3-3.5 mm 1-1.5 mm 1-1.5 mm is the normal bone loss in the first year. 173 / 200 Category: Implant 8) What is the best treatment for a 4 mm interocclusal space? Extract and place deeper Screw-retained crown Submerge implant Cement-retained crown A screw-retained crown is ideal for limited interocclusal space. 174 / 200 Category: Implant 9) What is the minimum age for a dental implant? 20 16 18 21 18 is the minimum age for dental implants due to jaw development. 175 / 200 Category: Implant 10) What is the treatment for a 5 mm space in tooth #14? Cemented crown implant Maryland bridge FPD 13,15 Screw-retained implant A screw-retained implant is ideal for limited space. 176 / 200 Category: Implant 11) What is the minimum space for a cemented crown on a central incisor? 5-6 mm 9-10 mm 7-8 mm 4-5 mm 7-8 mm is the minimum space for a cemented crown. 177 / 200 Category: Implant 12) What causes numbness after implant placement? Loose screw Poor hygiene Excess cement Neurovascular bundle interference Neurovascular bundle interference can cause numbness. 178 / 200 Category: Implant 13) How often should a patient visit in the first year after implant placement? Every month Every 3 months Every 2 months Every 6 months Patients should visit every 3 months for follow-up. 179 / 200 Category: Implant 14) What is the treatment for a 4 mm interarch distance in tooth #14? Bone graft Cemented crown Return to surgeon Screw-retained implant A screw-retained implant is suitable for limited interarch space. 180 / 200 Category: Implant 15) What is the long-term treatment for a fractured post and core in tooth #21? Ortho extrusion Maryland bridge Extraction and implant Redo post and crown Extraction and implant placement is the best long-term solution. 181 / 200 Category: Professionalism and bioethics , infection control and patient safety 1) A dentist diagnoses and plans treatment. What role is this? Health Advocate Health Advisor Communicator Medical Expert Diagnosis and treatment planning are part of being a medical expert. 182 / 200 Category: Professionalism and bioethics , infection control and patient safety 2) A doctor with contact lenses gets a splash in the eyes. What should they do first? Remove lenses Do nothing Apply eye drops Wash eyes Removing lenses prevents further irritation. 183 / 200 Category: Professionalism and bioethics , infection control and patient safety 3) Who determines an ethical dilemma? Patient Doctor Research Family Research helps identify and resolve ethical dilemmas. 184 / 200 Category: Professionalism and bioethics , infection control and patient safety 4) You explain all complications and instructions to a patient. What principle is this? Autonomy Beneficence Non-maleficence Veracity Explaining complications respects patient autonomy. 185 / 200 Category: Professionalism and bioethics , infection control and patient safety 5) What is the definition of confidentiality? Sharing information with colleagues Keeping patient information private Posting information online Disclosing information to family Confidentiality protects patient privacy. 186 / 200 Category: Professionalism and bioethics , infection control and patient safety 6) How should a cheek retractor be sterilized? High-level disinfection Chemical disinfection Medium-level disinfection Heat sterilization High-level disinfection is appropriate for this instrument. 187 / 200 Category: Professionalism and bioethics , infection control and patient safety 7) A doctor extracts tooth 25 instead of 14. What type of error is this? Active failure Near miss System failure Latent failure Extracting the wrong tooth is a near miss. 188 / 200 Category: Professionalism and bioethics , infection control and patient safety 8) A dental assistant gets injured during surgery and develops a fever. What should she do? Ignore the injury Take sick leave Report to HR Continue working Sick leave is necessary for recovery and infection control. 189 / 200 Category: Professionalism and bioethics , infection control and patient safety 9) A patient cannot afford a crown but wants to save the tooth. What should you do? Proceed with covered procedures Do a pulpectomy Offer other options Dismiss the patient Offering alternatives respects patient autonomy. 190 / 200 Category: Professionalism and bioethics , infection control and patient safety 10) A resident fears a patient won’t consent to third molar extraction if told about complications. What should they do? Tell the family Refer to another dentist Inform the patient Proceed without informing Full disclosure is required for informed consent. 191 / 200 Category: Professionalism and bioethics , infection control and patient safety 11) Which orthodontic instruments can be sterilized in an autoclave? Impression tray Rubber dam Ortho plier Alginate Ortho pliers are autoclavable. 192 / 200 Category: Professionalism and bioethics , infection control and patient safety 12) How should instruments be cleaned in a sink? Dry Flat Partly immersed Fully immersed Fully immersing ensures thorough cleaning. 193 / 200 Category: Professionalism and bioethics , infection control and patient safety 13) What container should be used for an extracted tooth with amalgam? Biohazardous waste Regular waste Infectious waste Sharps container Amalgam waste is considered biohazardous. 194 / 200 Category: Professionalism and bioethics , infection control and patient safety 14) A patient wants to remove sound amalgam restorations due to perceived health risks. What should you do? Proceed with removal Refuse treatment Refer to another dentist Explain risks and benefits Patient education is essential for informed decisions. 195 / 200 Category: Professionalism and bioethics , infection control and patient safety 15) A patient refuses to hear side effects but is medically fit. What should you do? Refuse treatment Take consent and explain side effects Take consent from her son Proceed without explaining Informed consent requires explaining side effects. 196 / 200 Category: Professionalism and bioethics , infection control and patient safety 16) What causes corrosion of carbide burs? Chemical disinfection UV light Dry heat Autoclave Autoclaving can cause corrosion. 197 / 200 Category: Professionalism and bioethics , infection control and patient safety 17) Gloves tear during surgery. What should the doctor do? Wash with water Change gloves Use alcohol hand rub Wash with soap and water Washing with soap and water is essential. 198 / 200 Category: Professionalism and bioethics , infection control and patient safety 18) A 75-year-old patient is told extraction and FPD are the only options. What did the doctor violate? Autonomy Non-maleficence Informed consent Treatment quality Failing to discuss all options violates autonomy. 199 / 200 Category: Professionalism and bioethics , infection control and patient safety 19) A doctor passes by a patient without helping. What did they violate? Non-maleficence Justice Beneficence Autonomy Ignoring a patient violates beneficence. 200 / 200 Category: Professionalism and bioethics , infection control and patient safety 20) A restorable tooth needs RCT, but the patient and mother refuse and want extraction. What should you do? Get a second opinion Perform RCT against their wishes Refuse to extract Take informed consent and proceed with extraction Informed consent is required for treatment decisions. Your score is The average score is 29% 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