Fixed Prosthodontics R11 Fixed Prosthodontics SDLE MCQ 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% 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 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 / 54 Category: Fixed Prosthodontics 1) Why might a veneer detach from the prepared tooth? Insufficient etching Contaminated veneer surface Moisture exposure Weak bonding agent Contamination prevents proper bonding. 2 / 54 Category: Fixed Prosthodontics 2) What is the treatment for a 9mm pocket on the MB root of #16? Deep scaling Flap surgery Extraction Root amputation Root amputation preserves the tooth while eliminating the defect. 3 / 54 Category: Fixed Prosthodontics 3) How to manage bleeding during impression with a temporary crown? Use ferric sulfate Replace the crown Delay the impression Use epinephrine Bleeding indicates tissue trauma; crown replacement allows healing. 4 / 54 Category: Fixed Prosthodontics 4) What causes a chalky white surface on a cast? Saliva thin film Slurry water contamination Vacuum spacing Over-drying of impression Over-drying the impression leads to chalky surfaces. 5 / 54 Category: Fixed Prosthodontics 5) How to manage a fiber post with 2mm of remaining GP? Remove GP manually Proceed with post placement Use a shorter post Refer for endodontic retreatment Inadequate GP indicates endodontic failure; retreatment is needed. 6 / 54 Category: Fixed Prosthodontics 6) What is the recommended thickness of metal in a PFM crown at the incisal edge? 0.7 mm 0.3 mm 0.5 mm 1.0 mm 0.7 mm ensures strength without compromising aesthetics. 7 / 54 Category: Fixed Prosthodontics 7) What is the best option for a badly broken tooth 1mm above gingiva? Orthodontic extrusion Extraction Crown lengthening Post and crown Extrusion increases clinical crown length for restoration. 8 / 54 Category: Fixed Prosthodontics 8) After cementation, a gap is found on the buccal surface of a crown. What should you do? Schedule recementation for later Remove and recement immediately Add composite Monitor and follow up Immediate removal and recementation prevent further complications. 9 / 54 Category: Fixed Prosthodontics 9) How to improve retention in a short crown? Reduce occlusal load Use stronger cement Add grooves Crown lengthening Grooves enhance mechanical retention in short crowns. 10 / 54 Category: Fixed Prosthodontics 10) A crown debonds days after cementation. What is the likely cause? Poor tooth preparation Incorrect cementation technique Natural tooth splinted with implant Weak cement Debonding often results from improper cementation. 11 / 54 Category: Fixed Prosthodontics 11) What color neutralizes yellow in a restoration? Violet Pink Green Blue Violet counteracts yellow hues. 12 / 54 Category: Fixed Prosthodontics 12) What is the most aesthetic and least invasive option to replace an avulsed central incisor? Removable denture Three-unit bridge Implant Maryland bridge Maryland bridges are conservative and aesthetic. 13 / 54 Category: Fixed Prosthodontics 13) What is the name of the groove shown in the cast image? Memory groove Retention groove Level determine groove Index groove Index grooves aid in proper alignment during fabrication. 14 / 54 Category: Fixed Prosthodontics 14) Which pontic design is hardest to clean? Sanitary Ridge lap Modified ridge lap Ovate Ridge lap pontics trap debris against the ridge. 15 / 54 Category: Fixed Prosthodontics 15) A crown on #16 debonds repeatedly due to short length (3mm). What is the solution? Remake the crown Use stronger cement Orthodontic extrusion Add grooves Extrusion increases crown length for retention. 16 / 54 Category: Fixed Prosthodontics 16) Which pontic is best for immediate post-extraction sites? Modified ridge lap Ovate Sanitary Conical Ovate pontics adapt well to healing sockets. 17 / 54 Category: Fixed Prosthodontics 17) During try-in of a PFM crown, the ceramic layer falls off the metal. What is the reason? Improper bonding Thermal expansion mismatch Insufficient porcelain thickness Metal contamination Improper bonding between ceramic and metal is the primary cause. 18 / 54 Category: Fixed Prosthodontics 18) How to manage a fractured FPD retainer? Monitor Cement with heavy occlusion Solder the fracture Remake the FPD Fractured retainers compromise integrity; remaking is necessary. 19 / 54 Category: Fixed Prosthodontics 19) What is hemisection? Extracting half the tooth Root amputation Removing a root Splitting a multi-rooted tooth Hemisection involves splitting a tooth while retaining salvageable roots. 20 / 54 Category: Fixed Prosthodontics 20) What is the occlusal reduction for a PFM crown on a non-functional cusp? 1.5 mm 1.0 mm 2.5 mm 2.0 mm 1.5 mm ensures adequate strength and space for porcelain. 21 / 54 Category: Fixed Prosthodontics 21) Which option replaces a missing central incisor with minimal treatment? Resin-bonded bridge Implant Maryland bridge Removable partial denture Maryland bridges require minimal tooth preparation. 22 / 54 Category: Fixed Prosthodontics 22) What is the minimum metal thickness for a resin-bonded bridge retainer? 1.1 mm 0.5 mm 0.7 mm 1.5 mm 0.7 mm ensures strength without compromising adhesion. 23 / 54 Category: Fixed Prosthodontics 23) How to manage incisal chipping on a full-ceramic bridge? Send to lab for repair Chairside composite repair Remake the bridge Polish the chipped area Extensive chipping requires remaking the bridge. 24 / 54 Category: Fixed Prosthodontics 24) How long can PVS impression pouring be delayed? 1 day 1 month 1 week 1 hour PVS impressions remain stable for up to 1 week. 25 / 54 Category: Fixed Prosthodontics 25) How much facial reduction is needed for a PFM crown? 1.0 mm 2.5 mm 2.0 mm 1.5 mm 1.5 mm balances aesthetics and structural integrity. 26 / 54 Category: Fixed Prosthodontics 26) Which plaster type is used for RPD model casts? Type IV Type III Type V Type II Type II plaster is standard for RPD models. 27 / 54 Category: Fixed Prosthodontics 27) What is the porcelain extension at the chamfer line of a metal-ceramic crown called? Metal collar Full collar Less collar Porcelain collar “Less collar” describes minimal metal exposure. 28 / 54 Category: Fixed Prosthodontics 28) How many abutments are needed to replace teeth 24 and 25? 4 3 2 1 Two abutments (e.g., 23 and 26) typically suffice for a 2-unit FPD. 29 / 54 Category: Fixed Prosthodontics 29) What is the maximum time for pouring alginate impressions? 3 hours 1 hour 15 minutes 1 day Alginate impressions distort quickly; pouring within 15 minutes is ideal. 30 / 54 Category: Fixed Prosthodontics 30) How to manage a small crack in a porcelain veneer? Monitor without intervention Polish the crack Replace the veneer Fill with composite Cracks compromise integrity; replacement is necessary. 31 / 54 Category: Fixed Prosthodontics 31) Which cusps shear in a patient with crossbite? Palatal (upper) and buccal (lower) All cusps equally Incisal edges only Buccal (upper) and lingual (lower) Crossbite causes shear forces on palatal upper and buccal lower cusps. 32 / 54 Category: Fixed Prosthodontics 32) Which material is best for temporary anterior crowns? Polyvinyl ethyl methacrylate Polymethyl methacrylate Composite Bis-acrylic Bis-acrylic offers strength and aesthetics for temporaries. 33 / 54 Category: Fixed Prosthodontics 33) How to prepare a veneer for a discolored, worn incisor? Full coverage Reduce lingual only No incisal reduction Incisal reduction + 1mm clearance Incisal reduction and clearance ensure proper function and aesthetics. 34 / 54 Category: Fixed Prosthodontics 34) How to enhance aesthetics in crowns for upper premolars? Full coverage No reduction Reduce functional cusps Reduce non-functional cusps Non-functional cusp reduction improves aesthetics without compromising function. 35 / 54 Category: Fixed Prosthodontics 35) What is the best tool to clean under a 2-unit bridge? Super floss Regular floss Water flosser Interdental brush Super floss cleans pontics and abutments effectively. 36 / 54 Category: Fixed Prosthodontics 36) Gingival inflammation post-cementation is likely due to: Poor marginal fit Biological width violation Allergic reaction Occlusal imbalance Violating biological width leads to chronic inflammation. 37 / 54 Category: Fixed Prosthodontics 37) What should a technician do if an extra white block is added to porcelain? Increase white color Reduce firing temperature Increase thickness Increase translucency Balancing the white color ensures natural aesthetics. 38 / 54 Category: Fixed Prosthodontics 38) A patient selects an unsuitable veneer shade. What should you do? Refer to another doctor Use a default shade Let the lab decide Choose the shade for her The dentist should guide shade selection for optimal aesthetics. 39 / 54 Category: Fixed Prosthodontics 39) Why might a gold crown fail to seat during try-in? Tight proximal contacts Inadequate cement space Improper occlusal reduction Thermal shrinkage Tight contacts prevent full seating; adjustment is needed. 40 / 54 Category: Fixed Prosthodontics 40) Why should hemostatic agents avoid contact with tooth surfaces? To avoid tooth discoloration To prevent soft tissue irritation To improve bonding To reduce sensitivity Hemostatic agents can cause tooth discoloration if they contact the surface. 41 / 54 Category: Fixed Prosthodontics 41) Which material is unsuitable for temporary crowns on vital teeth? Composite Bis-acrylic Polymethyl methacrylate ZOE PMMA can generate excessive heat, risking pulp damage. 42 / 54 Category: Fixed Prosthodontics 42) What causes gingival swelling and blunting around a crown? Overcontoured crown Cement excess Allergic reaction Poor oral hygiene Overcontouring irritates gingival tissues. 43 / 54 Category: Fixed Prosthodontics 43) What describes the lightness or darkness of a color? Hue Value Shade Chroma Value refers to color lightness/darkness in dentistry. 44 / 54 Category: Fixed Prosthodontics 44) Which instrument measures PFM metal thickness during try-in? Iwanson caliper Boley gauge Ruler Micrometer Iwanson calipers provide precise metal thickness measurements. 45 / 54 Category: Fixed Prosthodontics 45) Which pontic design offers superior aesthetics for replacing #15? Saddle Ovate Modified ridge lap Sanitary Ovate pontics mimic natural tooth emergence. 46 / 54 Category: Fixed Prosthodontics 46) What causes bad odor and bubbles under a pontic? Connector fracture Abutment fracture Food impaction Abutment-retainer separation Separation allows bacterial accumulation, causing odor. 47 / 54 Category: Fixed Prosthodontics 47) Why clean a tooth with a bur after removing a ZOE temporary crown? To smooth the surface To reduce sensitivity To improve retention To remove ZOE residue Bur cleaning enhances retention for the final crown. 48 / 54 Category: Fixed Prosthodontics 48) What is a complication of improper retraction cord placement? Gingival enlargement Bleeding Tooth mobility Gingival recession Improper placement can traumatize gingiva, causing recession. 49 / 54 Category: Fixed Prosthodontics 49) What prep design is needed for a tooth with slight attrition? Full shoulder Feather edge Lingual chamfer No prep Lingual chamfer preps conserve tooth structure. 50 / 54 Category: Fixed Prosthodontics 50) What is the issue if two anterior PFM crowns appear whitish? Porcelain contamination Glazing issue Incorrect shade selection Metal exposure Whitish color indicates metal exposure due to insufficient porcelain coverage. 51 / 54 Category: Fixed Prosthodontics 51) After taking a PVS impression for a lower molar, a void is found on the buccal surface. What should you do? Ask the technician to correct it Ignore it Modify the impression Retake the impression Voids compromise accuracy; a retake is necessary. 52 / 54 Category: Fixed Prosthodontics 52) What is a pier abutment? A splinted abutment A freestanding abutment A secondary abutment A cantilever abutment Pier abutments are freestanding and support prostheses independently. 53 / 54 Category: Fixed Prosthodontics 53) How to manage a patient with a history of fractured ceramic crowns due to bruxism? Use metal crowns only Reduce functional cusp contact Increase crown strength Eliminate functional contact Eliminating functional contact prevents fractures in bruxism patients. 54 / 54 Category: Fixed Prosthodontics 54) What type of failure occurs when porcelain detaches from porcelain? Static Cohesive Adhesive Fracture Cohesive failure occurs between porcelain layers. 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 Facebook X LinkedIn Messenger Messenger WhatsApp Telegram Print Share Facebook X LinkedIn Pinterest Reddit Messenger Messenger WhatsApp Telegram Share via Email Print
