RPD Tooth Preparation Flashcards by Minh Nguyen | Brainscape

Q

what are ‘guide planes’?

A

Two or more parallel axial surfaces on abutment teeth, which limits the path of insertion of a denture

May be naturally occurring or require prep

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Q

What do guide planes provide?

A

Stability
Reciprocation
Prevents clasp deformation
Improved appearance

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Q

Describe an unfavourable survey line

A

Close to occlusal surface –> clasp will be too high and irritate pt
Retentive areas can be made with acid etched composite

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