Fixed Prosthodontics Fixed Prosthodontics SDLE MCQ | Part 2 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% 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Fixed Prosthodontics Fixed Prosthodontics SDLE MCQ | Part 2 DentQuiz SDLE Mock Exam Instruction To mark a question and come back to it later, click the Bookmark icon. For the best experience, use a computer and switch to full screen button (from the top left corner). You can review and change your answers before clicking Next. Explanations will appear after each question to help you understand the correct answer. Your results will be shown right after you finish the exam. This is a fresh attempt — previous answers or bookmarks won't be saved. 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. Please fill in your details to continue NameEmailPhone Number 1 / 50 Category: Fixed Prosthodontics 1) A patient with good oral hygiene and sound abutments wants to replace a missing central incisor. What is the best option? Cantilever FPD Implant-supported FPD Removable Conventional FPD A conventional FPD is the best option for replacing a single missing tooth with sound abutments. 2 / 50 Category: Fixed Prosthodontics 2) Which pontic design is hardest to clean? Ridge lap Sanitary Modified ridge lap Ovate A ridge lap pontic is difficult to clean due to its close contact with the ridge. 3 / 50 Category: Fixed Prosthodontics 3) What is a complication of a mesially tilted #37 for a 3-unit bridge? Pulp exposure Irreversible pulpitis Short mesial axial wall Fracture A mesially tilted tooth can result in a short mesial axial wall, compromising retention. 4 / 50 Category: Fixed Prosthodontics 4) A patient’s crown keeps falling off. The tooth height is 5 mm. What should be done? Use stronger cement Add retention grooves Extract the tooth Re-prepare the tooth Adding retention grooves improves the mechanical retention of the crown. 5 / 50 Category: Fixed Prosthodontics 5) What type of finish line is created with a rounded bur? Shoulder Shoulder with bevel Chamfer Feather A rounded bur creates a chamfer finish line, which is commonly used in crown preparations. 6 / 50 Category: Fixed Prosthodontics 6) A patient is missing teeth #17-14, #34-37, and #44-47. How should occlusion be recorded? Bite block with MIC Arbitrary mounting with MIC Bite block and face bow with CR Arbitrary mounting with CR Using a bite block and face bow in centric relation (CR) ensures accurate occlusion recording. 7 / 50 Category: Fixed Prosthodontics 7) What type of occlusion is best for full-mouth rehabilitation? Bilateral Canine guidance None of the above Group function Canine guidance provides stable and functional occlusion for full-mouth rehabilitation. 8 / 50 Category: Fixed Prosthodontics 8) A patient wants to restore centrals. In which scheme will they touch? Protrusive CR MIC CO Protrusive movement ensures the centrals touch correctly during function. 9 / 50 Category: Fixed Prosthodontics 9) How much should be removed from the incisal edge during preparation for a ceramic crown? 1.5 mm 1 mm 0.5 mm 2 mm 2 mm of incisal reduction is required for adequate strength and esthetics in ceramic crowns. 10 / 50 Category: Fixed Prosthodontics 10) 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 Space between abutment and retainer Food impingement under pontic Fractured connector A space between the abutment and retainer can trap debris, causing malodor. 11 / 50 Category: Fixed Prosthodontics 11) An elderly patient with osteoarthritis needs a 3-unit bridge in the upper posterior area. Which pontic design is suitable? Ovate Modified ridge lap Ridge lap Sanitary A sanitary pontic design is easy to clean and suitable for patients with limited dexterity. 12 / 50 Category: Fixed Prosthodontics 12) A patient wants a fixed crown, and the dentist reduces the margin supragingival 0.5 mm, interocclusal space 1.5 mm, and axial wall length 2 mm. What is violated? Preservation of periodontium Retention and support Marginal integrity Preservation of tooth structure A 2 mm axial wall length may compromise retention and support for the crown. 13 / 50 Category: Fixed Prosthodontics 13) A patient has two molars with fallen crowns. What is the best long-term treatment? Recement with RelyX Long post Crown lengthening Splint teeth together Crown lengthening provides better retention for the crowns in the long term. 14 / 50 Category: Fixed Prosthodontics 14) What is the purpose of a post in a restored tooth? Provide core retention Provide canal retention Reduce cost Improve esthetics The primary purpose of a post is to provide retention for the core material. 15 / 50 Category: Fixed Prosthodontics 15) A patient has a 3-unit ceramic bridge from #11 to #22 with half of the incisal edge of #11 chipped. What should be done? Composite repair at the lab Composite repair at the clinic Remove and take a new impression Re-cement the bridge A large defect like half of the incisal edge requires a new impression and fabrication. 16 / 50 Category: Fixed Prosthodontics 16) A patient has a conservative access cavity on #36 with an MO amalgam restoration after RCT. What is the best restoration? Cast post and PFM Composite core and ceramic crown Amalgam core Cast post and ceramic crown A cast post and PFM crown provide the necessary strength and support for the tooth. 17 / 50 Category: Fixed Prosthodontics 17) A patient with stable MIC needs a single crown. What is the most important factor to achieve? CR Eccentric MIC Centric Achieving maximum intercuspation (MIC) is crucial for stability and function in single crown cases. 18 / 50 Category: Fixed Prosthodontics 18) What component attaches the prosthesis to the abutment tooth? Retainer Crown Pontic Connector The retainer is the component that attaches the prosthesis to the abutment tooth. 19 / 50 Category: Fixed Prosthodontics 19) A patient complains of discolored tooth #12. What is the best treatment? Crown Internal bleaching Veneer Composite A veneer is the best option for addressing discoloration while preserving tooth structure. 20 / 50 Category: Fixed Prosthodontics 20) A patient has a crown on #26 with protrusive interference. How can you manage it? Buccal inclination of lower Lingual inclination of upper Mesial inclination of upper Buccal inclination of upper Adjusting the mesial inclination of the upper crown can eliminate protrusive interference. 21 / 50 Category: Fixed Prosthodontics 21) During try-in of an upper molar, the crown glides superior-anteriorly. What should be adjusted? Lingual inclination of the mandible Buccal inclination of the upper Mesial inclination of the upper Distal inclination of the mandible Adjusting the mesial inclination of the upper crown can correct the superior-anterior glide. 22 / 50 Category: Fixed Prosthodontics 22) What is the incisal reduction for a metal-ceramic crown on tooth #11? 1.5 mm 1 mm 2.5 mm 2 mm A 2 mm incisal reduction is required for adequate strength and esthetics in metal-ceramic crowns. 23 / 50 Category: Fixed Prosthodontics 23) A photo shows a crown on #46 with open margins mesially and distally. What is the cause? Shrinkage during casting Expansion of core Over-tapered preparation Distortion of final impression Shrinkage during casting can lead to open margins in the final crown. 24 / 50 Category: Fixed Prosthodontics 24) A patient has a class IV fracture on the mesial side of an anterior tooth involving the contact area. Where should the contact be placed? Gingival third Middle third Whole mesial contact surface Incisal third Placing the contact in the incisal third restores function and esthetics effectively. 25 / 50 Category: Fixed Prosthodontics 25) What is the first step during lithium disilicate cementation? Etching with hydrofluoric acid Etching with phosphoric acid Cleaning with alcohol Sandblasting Etching with hydrofluoric acid is the first step to prepare the lithium disilicate surface for bonding. 26 / 50 Category: Fixed Prosthodontics 26) A patient is missing tooth #21 and does not want extensive treatment. What is the best option? Cantilever fixed Fixed 3-unit Implant Maryland A Maryland bridge is a conservative option for replacing a single missing tooth. 27 / 50 Category: Fixed Prosthodontics 27) During metal try-in, a patient feels like seeds are stuck between the teeth. What is the most likely cause? Tight proximal contact Fractured connector High occlusal contact Poor marginal fit Tight proximal contact can create the sensation of something stuck between the teeth. 28 / 50 Category: Fixed Prosthodontics 28) A ceramic onlay grips the shim stock but has no contact with other teeth. What does this mean? Occlusal interference, needs adjustment Slight hyper occlusion Good contact Deficient contact The onlay needs adjustment to ensure proper occlusal contact with adjacent teeth. 29 / 50 Category: Fixed Prosthodontics 29) What type of bur is used for creating grooves during tooth preparation? Inverted bur Round bur Tapered fissure Diamond bur A tapered fissure bur is used for creating precise grooves during tooth preparation. 30 / 50 Category: Fixed Prosthodontics 30) 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. 31 / 50 Category: Fixed Prosthodontics 31) A patient has mild facial staining and incipient caries. What is the best preparation for esthetics? None of the above Facial Occlusal gingival Lingual Facial preparation is necessary to address staining and caries while maintaining esthetics. 32 / 50 Category: Fixed Prosthodontics 32) An ovate pontic causes tissue irritation. What material is most likely the cause? Porcelain Resin Gold Nickel chromium Nickel chromium can cause tissue irritation due to its rigidity and potential for allergic reactions. 33 / 50 Category: Fixed Prosthodontics 33) What is the purpose of the opaque layer in a crown? To improve bonding To increase strength To mask the oxide layer To reduce cost The opaque layer masks the oxide layer on the metal, improving the esthetics of the crown. 34 / 50 Category: Fixed Prosthodontics 34) A patient has pain one week after cementing a new crown. What is the management? RCT Desensitizing agent Remove crown DPC Removing the crown allows for assessment and management of the underlying cause of pain. 35 / 50 Category: Fixed Prosthodontics 35) What is the flexure strength of a 3-unit bridge with 3 pontics? 25 MPa 27 MPa 30 MPa 20 MPa A 3-unit bridge with 3 pontics typically has a flexure strength of 27 MPa. 36 / 50 Category: Fixed Prosthodontics 36) How long should you etch enamel for veneer cementation? 15 seconds 40 seconds 20 seconds 30 seconds Etching enamel for 20 seconds is sufficient for proper bonding of veneers. 37 / 50 Category: Fixed Prosthodontics 37) A patient with a deep bite has a labial fracture of a PFM crown on the lower anterior. What is the cause? Fractured connector Incorrect anterior guidance Occlusal overload Poor cementation Occlusal overload due to a deep bite can cause fractures in PFM crowns. 38 / 50 Category: Fixed Prosthodontics 38) During try-in of a 3-unit FPD, there is torque in the retainer. What is the management? Fix the retainer part Re-cement the FPD Sectioning of the FPD Redo the whole FPD Sectioning the FPD allows for adjustment and proper fit of the retainer. 39 / 50 Category: Fixed Prosthodontics 39) A patient wants to replace teeth #14 and #15. What is the best bridge design? 5-unit non-rigid connector 4-unit (16, 13) 5-unit fixed-fixed 6-unit A 4-unit bridge from #16 to #13 provides adequate support for replacing #14 and #15. 40 / 50 Category: Fixed Prosthodontics 40) A patient complains of bleeding and painful gingiva around anterior crowns. How to manage? Deep scaling Shallow margins of crowns RCT Surgical crown lengthening Shallow margins can irritate the gingiva, leading to bleeding and pain. 41 / 50 Category: Fixed Prosthodontics 41) A patient complains of food accumulation in the cervical third of a newly placed crown. What could be the cause? Fractured connector Open contact Poor marginal fit Crown emergence profile An improper crown emergence profile can lead to food accumulation in the cervical area. 42 / 50 Category: Fixed Prosthodontics 42) What is a common reason for chipping porcelain on a PFM crown? Poor cementation Insufficient porcelain thickness Occlusal trauma Bonding between metal and porcelain Insufficient porcelain thickness can lead to chipping under occlusal forces. 43 / 50 Category: Fixed Prosthodontics 43) A female patient complains of soreness on the occlusal area and premature contact. What is the cause? Decreased vertical dimension Decreased freeway space High occlusal contact Poor marginal fit Decreased freeway space can cause premature contact and soreness in the occlusal area. 44 / 50 Category: Fixed Prosthodontics 44) What is the phosphoric acid percentage used for etching the abutment of a ceramic crown? 50% 15% 20% 37% 37% phosphoric acid is commonly used for etching tooth structure before bonding ceramic crowns. 45 / 50 Category: Fixed Prosthodontics 45) A doctor wants to reduce the chroma of a restoration. What should be added? Add yellow Add violet Add blue Add green Adding violet can reduce the chroma and improve the esthetics of the restoration. 46 / 50 Category: Fixed Prosthodontics 46) Which restoration has the most glass substrate? Feldspathic Zirconia Leucite-reinforced ceramic Lithium disilicate Feldspathic porcelain has the highest glass content, making it highly esthetic. 47 / 50 Category: Fixed Prosthodontics 47) A premolar with a full-coverage crown has a vertical root fracture. What is the most likely cause? Poor quality RCT Overload Wide and short root Poor cementation A wide and short root is more prone to vertical root fractures under occlusal forces. 48 / 50 Category: Fixed Prosthodontics 48) A patient has gum recession and a small restoration on an anterior tooth. What is aesthetically important? Buccal-lingual width of gum Mesiodistal width of restoration Vertical height of gum MIC The vertical height of the gum is crucial for esthetics in cases of recession. 49 / 50 Category: Fixed Prosthodontics 49) A patient with a large amalgam restoration and caries is a bruxer. What is the best restoration option? Composite Amalgam Ceramic onlay Metal crown A metal crown is the most durable option for a bruxer with a large restoration. 50 / 50 Category: Fixed Prosthodontics 50) A patient wants to restore 3 missing lower anteriors. The dentist decides on tooth #32 based on what? Tooth is off-center Incisal slopes inclined distally Same mesiodistal width on each side Bilaterally symmetrical The incisal slopes inclined distally help determine the correct position of the missing teeth. Your score is The average score is 0% 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