Fixed Prosthodontics R11 Fixed Prosthodontics SDLE MCQ Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 0% 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556 Fixed Prosthodontics R11 Fixed Prosthodontics SDLE MCQ 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 / 56 Category: Fixed Prosthodontics 1) How many abutments are needed to replace teeth 24 and 25? 3 4 1 2 Two abutments (e.g., 23 and 26) typically suffice for a 2-unit FPD. 2 / 56 Category: Fixed Prosthodontics 2) What is hemisection? Extracting half the tooth Removing a root Splitting a multi-rooted tooth Root amputation Hemisection involves splitting a tooth while retaining salvageable roots. 3 / 56 Category: Fixed Prosthodontics 3) What causes gingival swelling and blunting around a crown? Poor oral hygiene Overcontoured crown Allergic reaction Cement excess Overcontouring irritates gingival tissues. 4 / 56 Category: Fixed Prosthodontics 4) How to manage a fiber post with 2mm of remaining GP? Refer for endodontic retreatment Remove GP manually Use a shorter post Proceed with post placement Inadequate GP indicates endodontic failure; retreatment is needed. 5 / 56 Category: Fixed Prosthodontics 5) What is the minimum metal thickness for a resin-bonded bridge retainer? 0.7 mm 1.1 mm 1.5 mm 0.5 mm 0.7 mm ensures strength without compromising adhesion. 6 / 56 Category: Fixed Prosthodontics 6) How to enhance aesthetics in crowns for upper premolars? No reduction Reduce non-functional cusps Reduce functional cusps Full coverage Non-functional cusp reduction improves aesthetics without compromising function. 7 / 56 Category: Fixed Prosthodontics 7) A patient selects an unsuitable veneer shade. What should you do? Use a default shade Refer to another doctor Choose the shade for her Let the lab decide The dentist should guide shade selection for optimal aesthetics. 8 / 56 Category: Fixed Prosthodontics 8) Which cusps shear in a patient with crossbite? Buccal (upper) and lingual (lower) All cusps equally Palatal (upper) and buccal (lower) Incisal edges only Crossbite causes shear forces on palatal upper and buccal lower cusps. 9 / 56 Category: Fixed Prosthodontics 9) What causes a chalky white surface on a cast? Saliva thin film Over-drying of impression Slurry water contamination Vacuum spacing Over-drying the impression leads to chalky surfaces. 10 / 56 Category: Fixed Prosthodontics 10) What is a pier abutment? A freestanding abutment A secondary abutment A splinted abutment A cantilever abutment Pier abutments are freestanding and support prostheses independently. 11 / 56 Category: Fixed Prosthodontics 11) How to manage bleeding during impression with a temporary crown? Delay the impression Replace the crown Use ferric sulfate Use epinephrine Bleeding indicates tissue trauma; crown replacement allows healing. 12 / 56 Category: Fixed Prosthodontics 12) A crown on #16 debonds repeatedly due to short length (3mm). What is the solution? Remake the crown Add grooves Orthodontic extrusion Use stronger cement Extrusion increases crown length for retention. 13 / 56 Category: Fixed Prosthodontics 13) What is a complication of improper retraction cord placement? Gingival enlargement Tooth mobility Bleeding Gingival recession Improper placement can traumatize gingiva, causing recession. 14 / 56 Category: Fixed Prosthodontics 14) What should a technician do if an extra white block is added to porcelain? Increase thickness Increase white color Reduce firing temperature Increase translucency Balancing the white color ensures natural aesthetics. 15 / 56 Category: Fixed Prosthodontics 15) What is the occlusal reduction for a PFM crown on a non-functional cusp? 1.5 mm 2.0 mm 1.0 mm 2.5 mm 1.5 mm ensures adequate strength and space for porcelain. 16 / 56 Category: Fixed Prosthodontics 16) Which pontic is best for immediate post-extraction sites? Sanitary Conical Ovate Modified ridge lap Ovate pontics adapt well to healing sockets. 17 / 56 Category: Fixed Prosthodontics 17) What color neutralizes yellow in a restoration? Pink Blue Violet Green Violet counteracts yellow hues. 18 / 56 Category: Fixed Prosthodontics 18) During try-in of a PFM crown, the ceramic layer falls off the metal. What is the reason? Thermal expansion mismatch Metal contamination Improper bonding Insufficient porcelain thickness Improper bonding between ceramic and metal is the primary cause. 19 / 56 Category: Fixed Prosthodontics 19) Which option replaces a missing central incisor with minimal treatment? Maryland bridge Resin-bonded bridge Removable partial denture Implant Maryland bridges require minimal tooth preparation. 20 / 56 Category: Fixed Prosthodontics 20) How to prepare a veneer for a discolored, worn incisor? Full coverage Reduce lingual only Incisal reduction + 1mm clearance No incisal reduction Incisal reduction and clearance ensure proper function and aesthetics. 21 / 56 Category: Fixed Prosthodontics 21) After cementation, a gap is found on the buccal surface of a crown. What should you do? Add composite Schedule recementation for later Monitor and follow up Remove and recement immediately Immediate removal and recementation prevent further complications. 22 / 56 Category: Fixed Prosthodontics 22) A patient complains of visible veneer margins. Which margin placement is best for aesthetics and minimal inflammation? Supragingival 0.5 mm Subcrustal 0.5 mm At gingival margin level Subgingival 0.5 mm Supragingival margins enhance aesthetics and reduce inflammation. 23 / 56 Category: Fixed Prosthodontics 23) How to manage a fractured FPD retainer? Solder the fracture Monitor Cement with heavy occlusion Remake the FPD Fractured retainers compromise integrity; remaking is necessary. 24 / 56 Category: Fixed Prosthodontics 24) How to improve retention in a short crown? Use stronger cement Add grooves Crown lengthening Reduce occlusal load Grooves enhance mechanical retention in short crowns. 25 / 56 Category: Fixed Prosthodontics 25) How to manage a patient with a history of fractured ceramic crowns due to bruxism? Use metal crowns only Eliminate functional contact Increase crown strength Reduce functional cusp contact Eliminating functional contact prevents fractures in bruxism patients. 26 / 56 Category: Fixed Prosthodontics 26) Which instrument measures PFM metal thickness during try-in? Iwanson caliper Micrometer Ruler Boley gauge Iwanson calipers provide precise metal thickness measurements. 27 / 56 Category: Fixed Prosthodontics 27) How to manage a small crack in a porcelain veneer? Polish the crack Fill with composite Replace the veneer Monitor without intervention Cracks compromise integrity; replacement is necessary. 28 / 56 Category: Fixed Prosthodontics 28) What is the best option for a badly broken tooth 1mm above gingiva? Post and crown Orthodontic extrusion Crown lengthening Extraction Extrusion increases clinical crown length for restoration. 29 / 56 Category: Fixed Prosthodontics 29) Which material is unsuitable for temporary crowns on vital teeth? Bis-acrylic Composite Polymethyl methacrylate ZOE PMMA can generate excessive heat, risking pulp damage. 30 / 56 Category: Fixed Prosthodontics 30) Which pontic design offers superior aesthetics for replacing #15? Saddle Ovate Modified ridge lap Sanitary Ovate pontics mimic natural tooth emergence. 31 / 56 Category: Fixed Prosthodontics 31) What is the issue if two anterior PFM crowns appear whitish? Incorrect shade selection Metal exposure Glazing issue Porcelain contamination Whitish color indicates metal exposure due to insufficient porcelain coverage. 32 / 56 Category: Fixed Prosthodontics 32) What is the treatment for a 9mm pocket on the MB root of #16? Flap surgery Root amputation Extraction Deep scaling Root amputation preserves the tooth while eliminating the defect. 33 / 56 Category: Fixed Prosthodontics 33) Which material is best for temporary anterior crowns? Polymethyl methacrylate Bis-acrylic Polyvinyl ethyl methacrylate Composite Bis-acrylic offers strength and aesthetics for temporaries. 34 / 56 Category: Fixed Prosthodontics 34) What describes the lightness or darkness of a color? Chroma Shade Hue Value Value refers to color lightness/darkness in dentistry. 35 / 56 Category: Fixed Prosthodontics 35) How long can PVS impression pouring be delayed? 1 hour 1 day 1 month 1 week PVS impressions remain stable for up to 1 week. 36 / 56 Category: Fixed Prosthodontics 36) A patient with metal-ceramic crowns has gingival inflammation. What is the cause? Metal allergy Poor oral hygiene Cement excess Biological width violation Subgingival margins violating biological width cause inflammation. 37 / 56 Category: Fixed Prosthodontics 37) Why clean a tooth with a bur after removing a ZOE temporary crown? To remove ZOE residue To smooth the surface To improve retention To reduce sensitivity Bur cleaning enhances retention for the final crown. 38 / 56 Category: Fixed Prosthodontics 38) What causes bad odor and bubbles under a pontic? Connector fracture Abutment fracture Food impaction Abutment-retainer separation Separation allows bacterial accumulation, causing odor. 39 / 56 Category: Fixed Prosthodontics 39) How much facial reduction is needed for a PFM crown? 2.0 mm 1.5 mm 1.0 mm 2.5 mm 1.5 mm balances aesthetics and structural integrity. 40 / 56 Category: Fixed Prosthodontics 40) A crown debonds days after cementation. What is the likely cause? Weak cement Poor tooth preparation Incorrect cementation technique Natural tooth splinted with implant Debonding often results from improper cementation. 41 / 56 Category: Fixed Prosthodontics 41) Why might a gold crown fail to seat during try-in? Thermal shrinkage Improper occlusal reduction Tight proximal contacts Inadequate cement space Tight contacts prevent full seating; adjustment is needed. 42 / 56 Category: Fixed Prosthodontics 42) After taking a PVS impression for a lower molar, a void is found on the buccal surface. What should you do? Retake the impression Modify the impression Ignore it Ask the technician to correct it Voids compromise accuracy; a retake is necessary. 43 / 56 Category: Fixed Prosthodontics 43) What prep design is needed for a tooth with slight attrition? Full shoulder Lingual chamfer Feather edge No prep Lingual chamfer preps conserve tooth structure. 44 / 56 Category: Fixed Prosthodontics 44) What is the recommended thickness of metal in a PFM crown at the incisal edge? 0.7 mm 0.5 mm 0.3 mm 1.0 mm 0.7 mm ensures strength without compromising aesthetics. 45 / 56 Category: Fixed Prosthodontics 45) How to manage incisal chipping on a full-ceramic bridge? Remake the bridge Polish the chipped area Chairside composite repair Send to lab for repair Extensive chipping requires remaking the bridge. 46 / 56 Category: Fixed Prosthodontics 46) Why might a veneer detach from the prepared tooth? Weak bonding agent Contaminated veneer surface Insufficient etching Moisture exposure Contamination prevents proper bonding. 47 / 56 Category: Fixed Prosthodontics 47) What is the name of the groove shown in the cast image? Level determine groove Index groove Memory groove Retention groove Index grooves aid in proper alignment during fabrication. 48 / 56 Category: Fixed Prosthodontics 48) Gingival inflammation post-cementation is likely due to: Occlusal imbalance Biological width violation Allergic reaction Poor marginal fit Violating biological width leads to chronic inflammation. 49 / 56 Category: Fixed Prosthodontics 49) Which pontic design is hardest to clean? Ovate Sanitary Ridge lap Modified ridge lap Ridge lap pontics trap debris against the ridge. 50 / 56 Category: Fixed Prosthodontics 50) What is the maximum time for pouring alginate impressions? 1 day 3 hours 15 minutes 1 hour Alginate impressions distort quickly; pouring within 15 minutes is ideal. 51 / 56 Category: Fixed Prosthodontics 51) Why should hemostatic agents avoid contact with tooth surfaces? To reduce sensitivity To prevent soft tissue irritation To avoid tooth discoloration To improve bonding Hemostatic agents can cause tooth discoloration if they contact the surface. 52 / 56 Category: Fixed Prosthodontics 52) What is the most aesthetic and least invasive option to replace an avulsed central incisor? Implant Maryland bridge Three-unit bridge Removable denture Maryland bridges are conservative and aesthetic. 53 / 56 Category: Fixed Prosthodontics 53) Which plaster type is used for RPD model casts? Type V Type IV Type III Type II Type II plaster is standard for RPD models. 54 / 56 Category: Fixed Prosthodontics 54) What type of failure occurs when porcelain detaches from porcelain? Cohesive Static Adhesive Fracture Cohesive failure occurs between porcelain layers. 55 / 56 Category: Fixed Prosthodontics 55) What is the porcelain extension at the chamfer line of a metal-ceramic crown called? Less collar Metal collar Porcelain collar Full collar “Less collar” describes minimal metal exposure. 56 / 56 Category: Fixed Prosthodontics 56) What is the best tool to clean under a 2-unit bridge? Regular floss Super floss Interdental brush Water flosser Super floss cleans pontics and abutments effectively. Your score is The average score is 42% 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
