Questions with Correct Answers
(Verified Answers) plus Rationales 2026
Q&A | Instant Download Pdf
1. “Impression tray” is used to:
A. Store dentures
B. Hold impression material during molding
C. Polish dentures
D. Cement teeth
Answer: B
Rationale: Trays support impression materials.
2. Case: Tray is too small for arch. Result:
A. Accurate impression
B. Distorted impression
C. No effect
D. Better fit
Answer: B
Rationale: Improper tray size affects accuracy.
3. “Border molding” is used to:
A. Color dentures
B. Record functional movements of oral tissues
C. Extract teeth
D. Polish acrylic
Answer: B
Rationale: It ensures proper denture seal and fit.
,4. Case: Denture lacks suction during speaking. Likely cause:
A. Good seal
B. Poor border molding
C. Healthy tissue
D. Strong retention
Answer: B
Rationale: Poor sealing reduces retention.
5. “Acrylic curing” refers to:
A. Cleaning dentures
B. Hardening denture material
C. Removing teeth
D. Adjusting bite
Answer: B
Rationale: Curing solidifies denture base material.
6. Case: Denture has bubbles after processing. Cause:
A. Proper technique
B. Processing error or trapped air
C. Good outcome
D. Healthy tissue
Answer: B
Rationale: Porosity weakens denture structure.
7. “Polishing” dentures improves:
A. Infection risk
B. Smoothness and comfort
C. Tooth extraction
D. Jaw alignment
Answer: B
Rationale: Polishing enhances comfort and hygiene.
8. Case: Rough denture surface causes irritation. Action:
A. Ignore
B. Polish and smooth surface
C. Replace teeth
D. Extract gums
, Answer: B
Rationale: Rough surfaces cause tissue irritation.
9. “Articulation” in dentures refers to:
A. Gum healing
B. Arrangement of teeth for proper function
C. Saliva flow
D. Jaw swelling
Answer: B
Rationale: Articulation ensures proper chewing and speech.
10. Case: Patient cannot chew properly after delivery. Issue likely:
A. Correct articulation
B. Occlusal imbalance
C. Good fit
D. Healthy gums
Answer: B
Rationale: Improper bite affects function.
11. “Denture maintenance instructions” include:
A. No cleaning
B. Daily cleaning and proper storage
C. Boiling dentures daily
D. Wearing 24/7 without removal
Answer: B
Rationale: Proper hygiene extends denture life.
12. Case: Patient sleeps with dentures constantly. Risk:
A. Improved health
B. Tissue irritation and infection
C. Better fit
D. No change
Answer: B
Rationale: Continuous wear damages tissues.
13. “Oral hygiene for denture wearers” includes:
A. Ignoring gums
B. Cleaning gums and dentures regularly