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