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Sunday, June 29, 2008

Prosthodontics MCQ 50

Sunday, June 29, 2008

Regarding denture impressions, which of the following are true?

1. Definite pressure was advocated by many dentists as the best means for obtaining an ideal impression as it logically applied the same pressure as was being applied during chewing.

2. The mucostatic technique embodies the idea that the interfacial surface tension was the best way to retain dentures

3. The selective pressure concept embodies the principles of both pressure and mucostatic (nonpressure) procedures.

4. In selective pressure technique, the non-stress bearing areas are recorded with the least amount of pressure in certain areas of the maxillae and mandible that are capable of withstanding the forces of occlusion.

5. Low-fusing Impression waxes are not sufficiently accurate for a final impression.

    1. 1 and 3

    2. 1, 3, 4

    3. 1, 2, 3, 4

    4. 2 and 4

    5. All of the above.

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