Removable Prosthodontics R11 Removable 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% 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091 Removable Prosthodontics R11 Removable 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 / 91 Category: Removable Prosthodontics 1) What is the recommended thickness for an occlusal rest in an RPD? 1.0 mm 1.5 mm 2.0 mm 0.5 mm Occlusal rests should be 1.5 mm thick for strength. 2 / 91 Category: Removable Prosthodontics 2) How long should denture wax be immersed in warm water? 30 seconds 40 seconds 20 seconds 10 seconds 30 seconds ensures proper softening without distortion. 3 / 91 Category: Removable Prosthodontics 3) A tooth with MOD amalgam is used as an abutment. What is the best approach? Prepare rest on amalgam Avoid using the tooth Place a surveyed crown Use a temporary restoration Surveyed crowns provide long-term stability. 4 / 91 Category: Removable Prosthodontics 4) A patient is missing teeth #4-6 on both sides. What direct retainer is recommended? RPC clasp I-bar clasp Circle clasp Embrasure clasp Circle clasps provide retention for bilateral missing teeth. 5 / 91 Category: Removable Prosthodontics 5) How to enhance retention in a clasp-free RPD? Maximize soft tissue coverage Use adhesives Improve tooth contact Adjust occlusion Maximum coverage improves suction and stability. 6 / 91 Category: Removable Prosthodontics 6) What occlusion type is used for Kennedy class III cases? Bilateral balanced occlusion Canine guidance Unilateral balanced occlusion Organic occlusion Canine guidance is ideal for Kennedy class III cases. 7 / 91 Category: Removable Prosthodontics 7) What type of indirect clasp is used in Kennedy class III cases? Ring clasp Aker clasp I-bar clasp Embrasure clasp Embrasure clasps are commonly used in Kennedy class III cases. 8 / 91 Category: Removable Prosthodontics 8) How many rests and retainers are needed for a class IV RPD? 2 rests, 1 direct, 1 indirect 4 rests, 2 direct, 2 indirect 3 rests, 2 direct, 1 indirect 1 rest, 1 direct Class IV RPDs typically require 4 rests (2 direct and 2 indirect). 9 / 91 Category: Removable Prosthodontics 9) A Class I Kennedy case has spaces in the mandible. Which major connector is used? Interrupted lingual plate Sublingual bar Lingual bar Labial bar Interrupted lingual plates are used for flexibility. 10 / 91 Category: Removable Prosthodontics 10) A pier abutment has an MOD amalgam. What should be done? Avoid using as abutment Use a rigid connector Prepare rest on amalgam Place a surveyed crown Surveyed crowns protect pier abutments from stress. 11 / 91 Category: Removable Prosthodontics 11) Which denture cleanser is known to harm soft tissues? Diluted NaOCl Baking soda Chlorhexidine Hydrogen peroxide Diluted NaOCl can irritate soft tissues if not properly diluted. 12 / 91 Category: Removable Prosthodontics 12) What is Bennett movement? Lateral shifting Protrusive movement Lateral working Lateral movement Bennett movement is the lateral shift of the mandible. 13 / 91 Category: Removable Prosthodontics 13) A 63-year-old patient is uncomfortable with his denture. What adjustment is recommended? Lingualized occlusion Monoplane occlusion Balanced occlusion Linear occlusion Lingualized occlusion improves comfort for patients with ridge resorption. 14 / 91 Category: Removable Prosthodontics 14) A patient’s denture falls when smiling. What is the likely cause? Incorrect occlusion Poor retention Thick buccal notches Thick posterior palatal seal Thick buccal notches can interfere with muscle movement. 15 / 91 Category: Removable Prosthodontics 15) An old man presents with flabby tissue. Which impression technique is recommended? Dynamic impression Functional impression Mucostatic Selective pressure Mucostatic minimizes pressure on flabby tissue. 16 / 91 Category: Removable Prosthodontics 16) A 73-year-old woman has remaining teeth #14, 13, 24, 37, 35, 44, and 46. What is the Kennedy-Applegate classification for the maxilla? Maxilla: Class I modification II Maxilla: Class I modification I Mandible: Class II modification II Mandible: Class III modification I The maxilla is Class I modification I due to bilateral edentulous areas. 17 / 91 Category: Removable Prosthodontics 17) What is the term for mandibular movement to the left? Centric Non-working side Non-centric Working side Non-working side refers to the opposite side of movement. 18 / 91 Category: Removable Prosthodontics 18) An RPD abutment is tender to percussion. What is the cause? Hyperocclusion Cracked tooth Exposed dentine under rest Periodontal disease High occlusion can cause tenderness. 19 / 91 Category: Removable Prosthodontics 19) A patient has bilaterally free saddle in the lower arch and an edentulous maxilla. What occlusion is recommended? Bilateral balanced occlusion Unilateral occlusion Organic occlusion Canine guidance Bilateral balanced occlusion is ideal for edentulous cases. 20 / 91 Category: Removable Prosthodontics 20) What component is placed on top of an implant in an overdenture? Abutment Locator Ball attachment Healing cap The abutment connects the implant to the overdenture. 21 / 91 Category: Removable Prosthodontics 21) In which scenario is selective pressure impression technique indicated? Partial denture Upper class II Complete denture Lower class I Selective pressure is ideal for lower class I cases. 22 / 91 Category: Removable Prosthodontics 22) What is the primary function of a surveyor in RPD design? Measure undercuts Check occlusion Evaluate aesthetics Determine path of insertion Surveyors help determine the optimal path of insertion. 23 / 91 Category: Removable Prosthodontics 23) What happens if there is no contact between the minor connector and the rest? Tooth mobility Framework fracture Rest fracture Poor retention Lack of contact can lead to rest fracture due to stress concentration. 24 / 91 Category: Removable Prosthodontics 24) In an RPD class I case with stable contact in maximum intercuspation but discrepancy in centric relation, which position should be used? Centric relation Both Maximum intercuspation Neither Centric relation ensures proper jaw alignment for the RPD. 25 / 91 Category: Removable Prosthodontics 25) Why should dentures be cleaned after each meal? Prevent cross-infection Allow denture to "breathe" Maintain aesthetics Improve retention Cleaning prevents bacterial buildup and infections. 26 / 91 Category: Removable Prosthodontics 26) A patient has an 8 mm distance in the lower arch. Which major connector is suitable? Linguoplate Labial bar Sublingual bar Lingual bar Lingual bars are used for moderate space (8 mm). 27 / 91 Category: Removable Prosthodontics 27) A patient with complete dentures pronounces “S” as “Th.” What is the most likely cause? Upper anterior teeth too lingual Thick wax in rugae area Upper anterior teeth too labial Incorrect vertical dimension Lingually positioned teeth or thick wax can cause speech issues. 28 / 91 Category: Removable Prosthodontics 28) What is the first thing to check during complete denture delivery? Speech Aesthetics Fitting Occlusion Proper fitting ensures comfort and function. 29 / 91 Category: Removable Prosthodontics 29) A smoker presents with an ill-fitting denture and erythematous palate. What is the diagnosis? Allergic reaction Candidiasis Denture stomatitis Traumatic ulcer Denture stomatitis is common in smokers and ill-fitting dentures. 30 / 91 Category: Removable Prosthodontics 30) An RPD becomes ill-fitting. What should be done? Adjustment Relining Replacement Rebasing Relining improves fit without replacing the framework. 31 / 91 Category: Removable Prosthodontics 31) An upper arch has no distal teeth, only anterior teeth and second premolars. What is the Kennedy classification? Class IV Class I mod 2 Class III mod 1 Class II mod 1 This is a Class I modification 2 case. 32 / 91 Category: Removable Prosthodontics 32) A patient has an edentulous maxilla and bilateral free saddle in the lower arch. Which component provides rigidity? Minor connector Mesial minor connector with rest Major connector Mesial rest with distal plate Mesial rests with distal plates stabilize bilateral saddles. 33 / 91 Category: Removable Prosthodontics 33) An edentulous patient with complete dentures is asked to blow air with the nose closed. What is being checked? Anterior vibrating line of PPS Posterior vibrating line of PPS Midline of the palate Lateral extension of PPS This test checks the anterior vibrating line for proper seal. 34 / 91 Category: Removable Prosthodontics 34) An impression is thick on one side and thin on the other. What is the reason? Incorrect tray position Patient movement Uneven material mix Tray distortion Improper tray positioning causes uneven material distribution. 35 / 91 Category: Removable Prosthodontics 35) A patient needs complete dentures with the lower ridge buccal to the upper ridge. How should the teeth be set? Bilateral crossbite Unilateral crossbite Class II Class I Bilateral crossbite compensates for the ridge discrepancy. 36 / 91 Category: Removable Prosthodontics 36) What occlusion type is recommended for complete dentures? Organic occlusion Bilateral balanced occlusion Canine guidance Unilateral occlusion Bilateral balanced occlusion ensures stability during function. 37 / 91 Category: Removable Prosthodontics 37) A patient needs to replace missing teeth #4 and #5. What type of clasp is recommended? Ring clasp Aker clasp Circlet clasp I-bar clasp Aker clasps are commonly used for premolars. 38 / 91 Category: Removable Prosthodontics 38) A mandibular RPD class II is missing #45-48 and #35-36. What is the ideal indirect retainer? Lingual plate Canine rests Occlusal rests Proximal plates Canine rests provide effective indirect retention. 39 / 91 Category: Removable Prosthodontics 39) What is the purpose of the fovea and vibrating line in denture fabrication? Stability Posterior palatal seal Aesthetics Retention The fovea and vibrating line help create the posterior palatal seal. 40 / 91 Category: Removable Prosthodontics 40) What causes porosity in a denture base? Contaminated monomer All of the above Rapid polymerization Insufficient pressure Multiple factors can lead to porosity. 41 / 91 Category: Removable Prosthodontics 41) An elderly osteoporotic patient with multiple missing teeth needs treatment. What is the best option? Removable denture Implants Fixed prosthesis No treatment Removable dentures are safer for osteoporotic patients. 42 / 91 Category: Removable Prosthodontics 42) In a Class II RPD, which element provides bracing for terminal abutments? Lingual reciprocals Occlusal rest Guide plane Minor connector Lingual reciprocals resist lateral forces. 43 / 91 Category: Removable Prosthodontics 43) What is the recommended space for RPD connectors? 9-11 mm 3-5 mm 5-7 mm 7-9 mm Connectors require 3-5 mm of space for strength and comfort. 44 / 91 Category: Removable Prosthodontics 44) What is the cross-sectional shape of a wrought wire clasp? Oval Round Square Flat Wrought wire clasps are round for flexibility. 45 / 91 Category: Removable Prosthodontics 45) Which impression material is contraindicated for a diabetic patient with sulfite allergy? Alginate Polysulfide Silicone Polyether Polysulfide contains sulfites, which can trigger allergies. 46 / 91 Category: Removable Prosthodontics 46) A patient complains of cheek biting after RPD insertion. What is the cause? High teeth setting Poor retention Insufficient horizontal overlap Incorrect path of insertion Insufficient overlap allows cheek tissue to be trapped. 47 / 91 Category: Removable Prosthodontics 47) A well-controlled diabetic patient has excessive tooth mobility. What is the best treatment? Implant RPD Fixed prosthesis Orthodontics RPDs are suitable for patients with mobility issues. 48 / 91 Category: Removable Prosthodontics 48) A patient presents 2 days after #21 extraction with a non-healing socket and needs a partial acrylic denture. What type is considered? Immediate Temporary Transitional Permanent Immediate dentures are placed right after extraction. 49 / 91 Category: Removable Prosthodontics 49) What is surveying used for in RPD fabrication? Assess soft tissue Check tooth alignment Evaluate bone levels Identify undercuts and path Surveying identifies undercuts and guides placement. 50 / 91 Category: Removable Prosthodontics 50) A patient with complete dentures has enlarged tissue at the denture border. What is the cause? Allergic reaction Fungal infection Candida infection Long buccal flange Overextended flanges can cause tissue irritation. 51 / 91 Category: Removable Prosthodontics 51) A patient has a lingual sulcus depth of 9 mm. Which major connector is recommended? Sublingual bar Labial bar Linguoplate Lingual bar Lingual bars are ideal for depths ≥7 mm. 52 / 91 Category: Removable Prosthodontics 52) What happens if a rest seat is prepared before the guide plane? Increased retention Framework distortion No effect Poor fit The sequence is critical for proper fit and function. 53 / 91 Category: Removable Prosthodontics 53) A patient lost 4 anterior teeth in an accident. What is the Kennedy classification? Class IV Class III Class I Class II Missing anterior teeth without distal extension is Class IV. 54 / 91 Category: Removable Prosthodontics 54) A tooth has shallow buccal contours. Which clasp is suitable? RPI clasp RPA clasp Ring clasp T-bar clasp RPA clasps work well with shallow contours. 55 / 91 Category: Removable Prosthodontics 55) For a patient with a firm edentulous ridge and severe atrophic tongue, which impression technique is most suitable? Mucostatic Mixed impression tech. Normal impression Functional impression Normal impression is suitable for firm ridges without severe atrophy. 56 / 91 Category: Removable Prosthodontics 56) Where should complete dentures be stored at night? Denture cleanser Lukewarm water Cold water Dry container Lukewarm water prevents warping and maintains hygiene. 57 / 91 Category: Removable Prosthodontics 57) A patient lost all incisors and will extract #25. How many rests and connectors are needed? 4 rests and 3 connectors 5 rests and 4 connectors 6 rests and 5 connectors 3 rests and 2 connectors The design requires 6 rests and 5 connectors for stability. 58 / 91 Category: Removable Prosthodontics 58) Which clasp is recommended for a mid-buccal undercut? Ring clasp T-bar clasp Aker clasp RPI clasp RPI clasps minimize gingival irritation. 59 / 91 Category: Removable Prosthodontics 59) A patient has soreness and erythema beneath the CD. What is the etiology? Allergic reaction Pulpitis Denture stomatitis Increased VDO Denture stomatitis is caused by fungal infection or irritation. 60 / 91 Category: Removable Prosthodontics 60) A patient with an RPD has gingival redness. What is the likely cause? Poor hygiene High occlusion Lack of rests Allergic reaction Missing rests can cause excessive pressure on the gingiva. 61 / 91 Category: Removable Prosthodontics 61) What is the function of a Fox plane? Ensure facial thirds alignment Record lateral movements Align wax rims Record centric relation The Fox plane ensures proper alignment of wax rims. 62 / 91 Category: Removable Prosthodontics 62) A patient is missing upper right 4-7 and upper left 4-6. What is the Kennedy classification? Class II mod II Class IV mod I Class III mod II Class I mod II Bilateral edentulous areas with remaining teeth are Class II mod II. 63 / 91 Category: Removable Prosthodontics 63) A 60-year-old man with new dentures complains of auricular pain and reduced masticatory efficiency. What is the likely error? CR-CO discrepancy Increased VDO Unbalanced occlusion Reduced VDO Reduced vertical dimension causes muscle strain and pain. 64 / 91 Category: Removable Prosthodontics 64) A Kennedy class III case has a mid-buccal undercut. Which clasp is suitable? Embrasure clasp Circumferential clasp I-bar clasp Ring clasp I-bar clasps are ideal for mid-buccal undercuts. 65 / 91 Category: Removable Prosthodontics 65) A 70-year-old patient needs a crown for tooth #25 with stable maximum intercuspation but far from centric occlusion. On which position should the crown be fabricated? Maximum intercuspation Centric occlusion Neither Halfway between MI and CO The crown should align with the patient’s habitual occlusion (MI). 66 / 91 Category: Removable Prosthodontics 66) What clasp is used for a mid-buccal undercut on upper tooth #5? T-bar clasp Ring clasp RPI clasp Aker clasp RPI clasps engage mid-buccal undercuts without gingival interference. 67 / 91 Category: Removable Prosthodontics 67) What occlusion type is used for full mouth rehabilitation? Organic occlusion Bilateral balanced occlusion Unilateral occlusion Canine guidance Canine guidance provides stability during lateral movements. 68 / 91 Category: Removable Prosthodontics 68) Tooth #11 is missing. What is the Kennedy classification? Class IV Class III Class II Class I Missing a single anterior tooth is Class III. 69 / 91 Category: Removable Prosthodontics 69) Missing incisors in the upper arch and #25 will be extracted. What is the Kennedy classification? Class II mod I Class IV Class I mod I Class III mod I This is a Class III modification I case. 70 / 91 Category: Removable Prosthodontics 70) What is the term for equal force from the tongue and cheeks on a denture? Neutral zone Stability zone Support zone Retention zone The neutral zone balances forces for stability. 71 / 91 Category: Removable Prosthodontics 71) Which clasp is recommended for Kennedy class I cases? Circle clasp RPI clasp Ring clasp RPC clasp RPI clasps are commonly used in Kennedy class I. 72 / 91 Category: Removable Prosthodontics 72) How can a dentist detect reduced vertical dimension in a patient? Decreased freeway space Poor retention Uneven occlusion Increased freeway space Excessive freeway space indicates reduced VDO. 73 / 91 Category: Removable Prosthodontics 73) What is the function of the foil on a night guard over molars and premolars? Measure interarch space Record centric occlusion Improve retention Create CBCT casts The foil helps assess interarch space for adjustments. 74 / 91 Category: Removable Prosthodontics 74) A patient with good oral hygiene and ridge width complains of poor mastication with CDs. What is the best solution? Implant-supported CD Remake the CD Adjust occlusion Reline the CD Implant-supported CDs improve function and stability. 75 / 91 Category: Removable Prosthodontics 75) An RPD rest fractures. What is the most likely cause? Improper design Poor alloy quality High occlusion Insufficient marginal ridge prep Inadequate preparation weakens the rest seat. 76 / 91 Category: Removable Prosthodontics 76) A patient lost both centrals and upper left 5 needs extraction, with all third molars impacted. What is the Kennedy classification? Class I mod 1 Class III mod 1 Class II mod 1 Class IV This is a Class III modification 1 case. 77 / 91 Category: Removable Prosthodontics 77) A patient has minimal interarch space (3 mm). What is the best treatment option? Orthodontic closure Fixed prosthesis Implant Removable denture Removable dentures are suitable for limited space. 78 / 91 Category: Removable Prosthodontics 78) What is the easiest way to manage a broken occlusal rest? Recast the framework Solder the rest Use temporary adhesive Replace the rest Replacing the rest is the most straightforward solution. 79 / 91 Category: Removable Prosthodontics 79) A patient extracted #21, 22, and 23. What is the Kennedy classification? Class II Class III Class IV Class I Missing anterior teeth bilaterally is Class III. 80 / 91 Category: Removable Prosthodontics 80) What clasp is used for a mesiolingual undercut? T-bar clasp Aker clasp RPI clasp Ring clasp Ring clasps engage mesiolingual undercuts effectively. 81 / 91 Category: Removable Prosthodontics 81) A patient has spaces between anterior teeth. Which major connector is best? Linguoplate Labial bar Lingual bar Sublingual bar Linguoplates stabilize spaced anterior teeth. 82 / 91 Category: Removable Prosthodontics 82) At the first follow-up, a red spot is noticed on the left ridge of a new complete denture. What is the cause? Unpolymerized resin Allergy High force on left teeth Poor hygiene Pressure spots indicate uneven force distribution. 83 / 91 Category: Removable Prosthodontics 83) An upper CD fractures after 9 years of use. What is the likely cause? Material defect Posterior teeth too buccal Poor design Thin palate Buccal tooth placement creates leverage leading to fracture. 84 / 91 Category: Removable Prosthodontics 84) A patient has anterior and tuberosity undercuts. How should this be managed for complete dentures? Remove anterior undercut Both Neither Relieve posterior undercut Both adjustments are needed for proper denture fit. 85 / 91 Category: Removable Prosthodontics 85) An abutment has no buccal undercut and minimal cervical undercut. Which clasp is suitable? Ring clasp RPA clasp T-bar clasp RPI clasp RPI clasps are versatile for minimal undercuts. 86 / 91 Category: Removable Prosthodontics 86) A patient needs to restore #23. What occlusion type is recommended if canine guidance is not specified? Canine guidance Bilateral occlusion Unilateral occlusion Organic occlusion Unilateral occlusion is often used for single-tooth restorations. 87 / 91 Category: Removable Prosthodontics 87) A cardiac patient has difficulty swallowing with the denture. What is the likely cause? Allergic reaction Medication side effects Thick denture base Poor fit A thick denture base can interfere with tongue space. 88 / 91 Category: Removable Prosthodontics 88) During CD delivery, a wax knife can be inserted from one side to the other in rest position. What should be done? Redo the mandible Adjust occlusion Rebase the maxilla Reline the denture This indicates improper mandibular denture fit. 89 / 91 Category: Removable Prosthodontics 89) A patient complains their denture no longer fits. Which disease could be the cause? Diabetes Osteoporosis Parkinson's disease Paget's disease Paget’s disease can cause bone changes affecting denture fit. 90 / 91 Category: Removable Prosthodontics 90) How to manage a fractured retentive arm? Replace the denture Add wrought wire Recast the clasp Use adhesive Adding wrought wire restores retention. 91 / 91 Category: Removable Prosthodontics 91) A mesially tilted tooth #7 requires a clasp. Which type is suitable? Ring clasp T-bar clasp RPI clasp Aker clasp Ring clasps are ideal for tilted molars. Your score is The average score is 40% 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
