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1. Cheek biting in denture is caused by
- Increased occlusal vertical dimension
- Steep corpus angle in posterior
- Decreased pad coverage
- Reduced horizontal overlap of posterior
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Cheek and or lip biting
Cause For cheeks - likely that functional width of sulcus was not restored.
For lips - poor lip support/inadequate anterior horizontal overlap.
Treatment For cheek biting, restore functional width of sulcus and/or reset. For lips, grind lower incisors to provide a more appropriate incisal guidance angle
2. A patient is wearing a new denture for last 3 months he complains of burning sensation on palatal mucosa where should be denture be relieved
- Frenum
- Post dam area
- Labial flange
- Incisive foramen
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Also note
- Burning sensation over upper denture supporting tissues, but may involve other intra-oral tissues, eg tongue.
Burning mouth syndrome often seen in middle-aged or elderly females.
Denture faults must be excluded, also general organic and pyschogenic factors.
- Correction of any denture faults, may require multivitamin/nutrition advice and treatment.
- Possibly antidepressant therapy. Refer to Consultant in Oral Medicine.
3. The curve which runs from anterior to posterior in the natural dentition is called
- Curve of Von spee
- Curve of monson
- Curve of Wilson
- Pleasure curve
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The Curve of Spee (called also von Spee's curve or Spee's curvature) is defined as the curvature of the mandibular occlusal plane beginning at the canine and following the buccal cusps of the posterior teeth, continuing to the terminal molar.
4. Lingual flange of denture is
- Concave
- Convex
- Straight
- Convex and towards the base of tongue
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The portion of the flange on a removable lower denture extending from the lingual surfaces of the teeth to the peripheral border.
5. Post insertion occlusal correction of a complete denture is best done by
- Static transfer of occlusal records to articulator and balancing
- Transfer to articulator with new interocclusal records and balancing
- Using previous articulator mountings for occlusal grinding
- Use of 3 pin articulator
