Prosthodontics & Occlusion · single question
What is the minimum distance required between the gingival margin of teeth and the palatal major connector of a maxillary RPD?
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Correct answer: A. 6 mm
The palatal major connector must be at least 6 mm from gingival margins to prevent gingival irritation, food trapping, and tissue impingement. Source confirms: '6 mm.'
- A. CORRECT. 6 mm minimum distance between gingival margin and palatal major connector.
- B. 3 mm is insufficient — too close to gingival margin; causes irritation.
- C. 10 mm is more than adequate but not the minimum required.
- D. 8 mm is adequate but not the stated minimum.
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