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Denture Problems & Relining

Prosthodontics • NEET MDS Study Guide • AI-Generated Notes

⭐ High-Yield Facts for Exam

  • Clicking teeth = increased VDO.
  • Burning = residual monomer sensitivity.
  • Epulis fissuratum = ill-fitting flange.
  • Gagging = posterior seal too far posterior.
  • Reline = tissue surface; rebase = whole base.

Denture Problems & Relining

Common Complaints & Causes

  • Gagging — posterior border / posterior palatal seal extended too far back, or thick/over-extended posterior.
  • Clicking of teeth — excessive vertical dimension of occlusion (VDO) / insufficient freeway space.
  • Burning sensation (esp. palate) — allergy/sensitivity to residual monomer, or nutritional/candidal factors.
  • Cheek biting — insufficient horizontal overlap of posteriors.
  • Epulis fissuratum — hyperplastic tissue from a chronically over-extended/ill-fitting flange.

Relining vs Rebasing

  • Reline — add new material to the tissue surface to improve fit (denture teeth retained).
  • Rebase — replace the entire denture base, keeping the teeth.

Exam Tips ⭐

Clicking teeth = increased VDO. Burning = monomer sensitivity. Epulis fissuratum = ill-fitting flange. Gagging = posterior seal too far back.

📝 Practice MCQs — Denture Problems & Relining

Q1. Clicking of denture teeth during speech usually indicates:
A. Reduced VDO
B. Increased VDO
C. Tongue thrust
D. Thin base
Show Answer
✅ Answer: B
Excessive VDO (too little freeway space) causes teeth to click.
Q2. Epulis fissuratum is caused by:
A. High VDO
B. An ill-fitting, over-extended denture flange
C. Allergy to monomer
D. Excess saliva
Show Answer
✅ Answer: B
Chronic irritation from an over-extended flange produces this hyperplasia.
Q3. A burning sensation under a new denture is often due to:
A. Residual monomer sensitivity
B. Excess VDO
C. Short flanges
D. Narrow arch
Show Answer
✅ Answer: A
Sensitivity to residual methyl methacrylate monomer can cause burning.
Q4. Relining a denture means:
A. Replacing the entire base
B. Adding material to the tissue surface for fit
C. Replacing the teeth
D. Remaking the denture
Show Answer
✅ Answer: B
Relining adds material to the fitting surface; rebasing replaces the base.
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