Question 91 (part 2) · LDEK · Cast partial dentures
Indicate true statements regarding resting places:
1) it is a metal pique which derives from the denture connector or clasp, resting on abutment tooth;
2) in unbounded edentulous sections close rests are designed, in order to the clasp line, which constitutes the rotation axis of the denture, to run in the area of resting surface of the denture;
3) place for resting space is determined after the analysis of occlusal contacts of opposite teeth;
4) if there is no suitable space for the resting place, it should be artificially created through grinding enamel layer;
5) space left after grinding the enamel layer should be secured with fluoride preparation.
Correct answer is:
2) in unbounded edentulous sections close rests are designed, in order to the clasp line, which constitutes the rotation axis of the denture, to run in the area of resting surface of the denture;
3) place for resting space is determined after the analysis of occlusal contacts of opposite teeth;
4) if there is no suitable space for the resting place, it should be artificially created through grinding enamel layer;
5) space left after grinding the enamel layer should be secured with fluoride preparation.
Correct answer is:
- A. 2,3,4.
- B. 1,2,3.
- C. 1,3,4,5.
- D. 1,2,4,5.
- E. 2,4,5.
Hint
For free-end saddles, think about where the rest should be placed to reduce the lever acting on the abutment tooth.
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