RPD Review Questions

Answer to Question #124


The best answer is

Incorrect. It is a true statement but not the BEST answer. Deep interdigitation or tight contact in a particular fossa may negate its use as a rest area.

Incorrect. It is a true statement but not the BEST answer. A tilted terminal abutment may dictate the use of a distal rest and WW clasp assembly because adequate physiologic relief of the guide plate is impossible and the guide plate will pre-empt a planned mesial rest.

Incorrect. It is a true statement but not the BEST asnwer. Tissue underucts may negate the use of an infrabulge clasp and, in turn, cause a change in the location of the rest.

Correct. 1, 2, and 3 are all true.