Which of the following are true concerning A-P strap facts?
1. The A/P palatal strap has limited applications in maxillary partial denture designs.
2. The posterior strap should be slightly round and 6 mm. wide.
3. The strap should never be placed on moving tissue. And should cross the midline at a right angle not on a diagonal.
4. A maxillary torus is a contraindication to the A-P palatal strap design.
5. Flexure is almost non-existent in the A-P design.
6. It is usually used for Kennedy class II and IV’s.
a. all the above are true
b. none are true
c. 1,2,3 are true
d 2,4,6 are true
e. 3,5,6 are true
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