Restorative Restorative SDLE MCQ | Part 3 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% 12345678910111213141516171819202122232425262728293031323334353637383940414243444546 Restorative Restorative SDLE MCQ | Part 3 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 / 46 Category: Restorative 1) What is the best treatment for pitted enamel? Fluoridation No treatment Microabrasion Macroabrasion Macroabrasion removes superficial enamel defects, improving aesthetics. 2 / 46 Category: Restorative 2) Why is the axial wall finished with a high-speed bur after RCT and ZnOE obturation? Smooth the surface Reduce sensitivity Remove ZnOE residue Improve adhesion High-speed burs remove residual ZnOE, ensuring a clean surface for the final restoration. 3 / 46 Category: Restorative 3) What makes calcium hydroxide superior as a liner material? Chemical insulation Secondary dentin formation Sedative effect Thermal insulation Calcium hydroxide promotes secondary dentin formation, protecting the pulp. 4 / 46 Category: Restorative 4) Why is flowable composite preferred over packable composite in preventive resin restorations? Low filler content Higher strength Less microleakage Better aesthetics Flowable composite reduces microleakage due to its ability to adapt to cavity walls. 5 / 46 Category: Restorative 5) What is the advantage of disposable flow tips for flowable composite? Minimize air trapping Improve strength Reduce cost Increase working time Disposable flow tips reduce the risk of air bubbles, ensuring a smooth restoration. 6 / 46 Category: Restorative 6) What is the purpose of applying a separating medium? For cement To clean the canal To isolate the tooth To remove gutta-percha A separating medium prevents cement from sticking to unwanted surfaces during restoration. 7 / 46 Category: Restorative 7) What is the best treatment for craze lines? No treatment Veneer Occlusal reduction Full crown Craze lines are superficial and typically do not require treatment unless symptomatic. 8 / 46 Category: Restorative 8) A veneer falls off, and all cement remains on the veneer surface. What is the cause? Inadequate etching Old cement Dentine substrate Porcelain contamination If the cement remains on the veneer, the issue is likely poor adhesion to the dentine substrate. 9 / 46 Category: Restorative 9) A patient has hypercementosis. What is the best management? RCT No treatment Extraction Follow-up Hypercementosis is often asymptomatic and only requires follow-up unless symptomatic. 10 / 46 Category: Restorative 10) Which type of pin is most retentive in amalgam restorations? Self-threaded Cemented Friction-locked None Self-threaded pins provide the highest retention in amalgam restorations. 11 / 46 Category: Restorative 11) When should discolored class III restorations be replaced after whitening? No replacement needed After 2 days After 2 weeks Same visit Waiting 2 weeks allows the whitening process to stabilize before replacing restorations. 12 / 46 Category: Restorative 12) A patient has proximal white spots but no radiographic evidence of caries. What is the best treatment? Composite restoration No treatment GIC restoration Fluoridation Fluoridation helps remineralize enamel and prevent further decay. 13 / 46 Category: Restorative 13) 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. 14 / 46 Category: Restorative 14) A class V restoration has less than 0.5 mm of remaining dentin thickness. What liner should be used? Calcium hydroxide RMGIC Zinc oxide GIC Calcium hydroxide is ideal for deep class V restorations to protect the pulp. 15 / 46 Category: Restorative 15) Which cement is most irritating to the pulp? Zinc phosphate Resin Polycarboxylate GIC Zinc phosphate is highly acidic and can irritate the pulp. 16 / 46 Category: Restorative 16) What causes gypsum to break during flasking? Insufficient bulk Shrinkage Improper mixing Exothermic reaction Insufficient bulk of gypsum material leads to weak areas that can break during flasking. 17 / 46 Category: Restorative 17) Why is acid etching done before restorative treatment? All of the above Prevent thermal exchange Prevent microleakage Improve adhesion Acid etching creates microporosities in the enamel, improving adhesion and preventing microleakage. 18 / 46 Category: Restorative 18) What is the most important consideration when replacing an amalgam restoration in a patient with a deep bite? Material choice Occlusal adjustment Pulp health Impression technique Accurate impressions ensure the final restoration fits properly and functions well. 19 / 46 Category: Restorative 19) What is the most important step when replacing amalgam restorations in a patient with a deep overbite? Material choice Marginal adaptation Occlusal assessment Impression technique Occlusal assessment ensures the new restoration fits properly and avoids high points. 20 / 46 Category: Restorative 20) Which restoration type is most prone to polymerization shrinkage? Class IV Class II Class III Class I Class I restorations are most prone to shrinkage due to their large surface area. 21 / 46 Category: Restorative 21) What does chronic gagging primarily cause? Attrition Erosion Abrasion Abfraction Chronic gagging can lead to erosion due to stomach acid exposure. 22 / 46 Category: Restorative 22) A pediatric patient has swelling in the lower lip after extraction. What is the likely cause? Hematoma Allergic reaction Masticatory trauma Infection Masticatory trauma can cause swelling due to irritation of the extraction site. 23 / 46 Category: Restorative 23) What is the best restoration after conservative access opening on tooth #11? Amalgam restoration Crown Composite restoration No restoration Composite is ideal for conservative restorations due to its aesthetic and adhesive properties. 24 / 46 Category: Restorative 24) Which cement requires slow mixing? GIC Zinc polycarboxylate Resin Zinc phosphate Zinc phosphate requires slow mixing to control the exothermic reaction and achieve proper consistency. 25 / 46 Category: Restorative 25) A patient has recurrent caries under an amalgam restoration. What is the best replacement? Composite Gold Cast metal GIC Cast metal provides durability and reduces the risk of recurrent caries. 26 / 46 Category: Restorative 26) What is the best restoration for a class V cavity with arrested caries? Composite Amalgam GIC RMGIC Composite is ideal for class V restorations due to its aesthetic and adhesive properties. 27 / 46 Category: Restorative 27) 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. 28 / 46 Category: Restorative 28) When should polysulfide impressions be poured? Immediately 1 hour 1 week 15 minutes Polysulfide impressions should be poured within 1 hour to ensure accuracy. 29 / 46 Category: Restorative 29) An impression left for over 15 minutes before pouring appears chalky and smooth. What is the cause? Improper mixing Dehydration shrinkage Impression expansion Contamination Dehydration causes the impression to shrink and appear chalky. 30 / 46 Category: Restorative 30) What modification is needed for an onlay when the marginal ridge is less than 1.6 mm? Divergent occlusal walls Oblique walls Parallel walls Convergent occlusal walls Divergent occlusal walls provide better retention and resistance for onlays. 31 / 46 Category: Restorative 31) What is the anatomical difference between central incisors before and after avulsion? Mesial crown rounding Longer distal slope Longer mesial slope Distal crown rounding Central incisors have a rounded distal crown edge, which helps differentiate them. 32 / 46 Category: Restorative 32) What is the best dentist position for treating teeth #41 and #31? 12 o'clock 11 o'clock 7 o'clock 9 o'clock The 12 o'clock position provides optimal access to the mandibular anterior teeth. 33 / 46 Category: Restorative 33) What causes reduced vertical dimension in a patient with short teeth? Trauma Periodontal disease Tooth-to-tooth contact Bone loss Tooth-to-tooth contact from attrition leads to reduced vertical dimension over time. 34 / 46 Category: Restorative 34) A patient with gingivitis needs a class II composite restoration. What could affect the composite? No direct effect Poor adhesion All of the above Polymerization shrinkage Polymerization shrinkage can compromise the marginal seal of the composite restoration. 35 / 46 Category: Restorative 35) Which material requires glazing to avoid dehydration? Amalgam Glass ionomer Composite Gold Glass ionomer requires glazing to prevent dehydration and maintain its properties. 36 / 46 Category: Restorative 36) A patient's uvula raises on one side but not the other. Which nerve is responsible? Hypoglossal nerve Glossopharyngeal nerve Vagus nerve Facial nerve The vagus nerve controls the muscles of the soft palate, including the uvula. 37 / 46 Category: Restorative 37) What type of dentin forms when odontoblasts are disrupted by strong caries? Secondary dentin Reparative dentin Primary dentin Tertiary reactionary dentin Reparative dentin forms in response to strong caries to protect the pulp. 38 / 46 Category: Restorative 38) Why is GIC preferred over composite in some cases? Lower cost Better thermal expansion Fluoride release Higher strength GIC releases fluoride, providing anticariogenic benefits. 39 / 46 Category: Restorative 39) Which factor indicates a high risk of caries? Good oral hygiene Open contact Fluorosis Using miswak Open contacts trap food and bacteria, increasing the risk of caries. 40 / 46 Category: Restorative 40) A patient with attrition has severe cervical pain. What is the likely cause? Irreversible pulpitis Dentin hypersensitivity Cracked tooth Reversible pulpitis Attrition exposes dentin, leading to hypersensitivity and pain. 41 / 46 Category: Restorative 41) What are the features of active caries? Discolored and pitted Shiny, hard, and smooth None Matte, soft, and chalky Active caries appear matte, soft, and chalky due to enamel demineralization. 42 / 46 Category: Restorative 42) What is the advantage of restoring distal first premolar and mesial second premolar in one visit? Less cost Improved aesthetics Faster procedure Better contact Restoring both teeth in one visit ensures proper contact and occlusion. 43 / 46 Category: Restorative 43) A patient experiences severe pain during in-office bleaching. What is the likely cause? Gingival bleaching High pH of bleaching agent Tooth sensitivity Light intensity Incorrect placement of the rubber dam can cause gingival irritation and pain during bleaching. 44 / 46 Category: Restorative 44) Why is caries risk assessment important before periodontal treatment? To check deep pockets To assess bone loss To check root caries To evaluate gingival health Root caries can complicate periodontal treatment, so assessing caries risk is crucial. 45 / 46 Category: Restorative 45) A patient experiences severe pain after an inlay placement. What is the likely cause? Periodontal involvement Pulpitis All of the above High occlusion High occlusion causes pain due to excessive pressure on the restoration. 46 / 46 Category: Restorative 46) What should be done if composite is unavailable for an MOD cavity? GIC restoration Amalgam restoration No treatment Temporary restoration A temporary restoration allows time to obtain the appropriate materials for a permanent restoration. Your score is The average score is 61% 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
