Question 256 (part 2) · LDEK · Cast partial dentures
It is an inferioangular surface, in relation to which guidance involving half of tooth’s surface occurs. This description concerns:
- A. undercut.
- B. actively guiding surface.
- C. retentive surface.
- D. indirect surface.
- E. classically guiding surface.
Hint
Retention needs more than an undercut alone: the denture must also be prevented from slipping sideways by opposing guidance.
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