Removable Prosthodontics Practice Questions
Removable prosthodontics questions follow the path from diagnosis to post-insertion care. This set covers the complete denture treatment sequence, principles of retention, support and stability, partial denture design, occlusal schemes, immediate dentures and overdentures, denture base materials with relining and rebasing, denture-related pathology, and post-insertion problems. On the AFK, INBDE, ORE and ADC, expect to identify the correct design element for a Kennedy class, explain why a denture is loose or sore, and choose the right step at each appointment.
10 questions · answers and explanations revealed as you go · no sign-up
Questions
Question 1 of 10
Immediate Dentures
After the first professional removal, how should an immediate denture patient clean the mouth?
The answer is D.
Cleaning must protect the clot and healing tissues while controlling plaque. The clinician gives gentle rinsing and denture-cleaning instructions appropriate to the postoperative stage and reviews the sites early. Rapid healing changes require staged adjustment and review.
Question 2 of 10
Post-Insertion Care
A maxillary denture that triggers gagging immediately on swallowing most commonly requires evaluation of which area?
The answer is A.
An overextended or excessively thick posterior maxillary border can stimulate sensitive palatal and pharyngeal tissues during swallowing. The border and seal should be assessed carefully rather than shortened indiscriminately, because underextension compromises retention.
Question 3 of 10
Denture-Related Pathology
What is the main impression objective when recording a flabby ridge?
The answer is C.
Mobile tissue should be recorded with minimal distortion while firmer supporting areas are captured appropriately. Selective relief or a window approach helps prevent a compressed ridge from rebounding and destabilizing the denture. Both the lesion and its local cause require treatment.
Question 4 of 10
Partial Denture Design
Which alloy is most commonly used for cast removable partial denture frameworks?
The answer is D.
Cobalt-chromium alloy is the most commonly used material for cast removable partial denture frameworks due to its favourable strength, rigidity, biocompatibility, and lower cost compared with gold alloys.
Question 5 of 10
Complete Denture Treatment Sequence
What is the principal purpose of border molding a complete-denture custom tray?
The answer is B.
Border molding records the depth and width of the vestibules while adjacent muscles move. This shapes the final impression borders to maximize extension and peripheral seal without creating overextension that would dislodge the completed denture. Later steps depend on an accurate earlier record.
Question 6 of 10
Occlusal Schemes for Removable Prosthodontics
A sound complete-denture occlusion should have which centric contact pattern?
The answer is C.
Even simultaneous centric contacts distribute closure forces broadly and reduce base displacement. Prematurities concentrate pressure and can create a slide, soreness, instability, and loss of retention. Occlusion cannot compensate for a poorly adapted or unsupported base.
Question 7 of 10
Retention, Support & Stability Principles
Where is the posterior palatal seal of a maxillary complete denture located?
The answer is D.
The posterior palatal seal is placed along the vibrating line, the junction between the immobile hard palate and the mobile soft palate, to create a peripheral seal for denture retention.
Question 8 of 10
Overdentures
A common design for an edentulous mandible uses how many anterior implants for a tissue-supported overdenture?
The answer is D.
Two implants in the anterior mandible commonly retain an overdenture while the residual ridge continues to provide support. The design markedly improves retention and patient function, although individual anatomy and risk may justify other plans. Maintenance must protect both supporting tissues and replaceable components.
Question 9 of 10
Denture Base Materials & Reline/Rebase
What initiates polymerization in a conventional heat-cured acrylic denture base?
The answer is C.
Heating decomposes benzoyl peroxide initiator to form free radicals that start methyl methacrylate polymerization. A controlled curing cycle limits residual monomer, internal stress, and gaseous porosity from excessive exothermic temperature. Processing must preserve fit, occlusion, and adequate base thickness.
Question 10 of 10
Denture Base Materials & Reline/Rebase
What portion of a denture is replaced during a reline procedure?
The answer is D.
Relining adds new base material to the intaglio surface to restore adaptation while retaining most of the existing base and teeth. It is appropriate when occlusion, tooth arrangement, vertical dimension, and base integrity remain acceptable. Processing must preserve fit, occlusion, and adequate base thickness.
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