RPD Review Questions

Answer to Question #47


The correct answer is

Incorrect. The statement is true but is not the BEST ANSWER. The dual path of insertion allows rigid metal to be placed in an undercut.

Incorrect. The statement is true but is not the BEST ANSWER. Rigid metal retention is not used exclusively in class IV RPDs but certainly is commonly used in such situations.

Incorrect. The statement is true but is not the BEST ANSWER. Rigid metal retention eliminates the need for clasps on anterior teeth and produces excellent esthetics. This is the reason it is often used on class IV RPDs.

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