True about precision attachment:

A. One intracoronal preparation in tooth + one integrated into RPD prosthesis to stabilize and / or retain it

B. One intracoronal preparation in tooth + one removable attachment to prosthesis

C. One intracoronal fixed on abutment + one integrated into RPD prosthesis to stabilize and / or retain it

D. All of the above

Correct Answer: One intracoronal fixed on abutment + one integrated into RPD prosthesis to stabilize and / or retain it

Description: Internal attachment / precision attachment - Means interlocking device, one component of fixed into an abutment or abutments + other integrated to a removable prosthesis to stabilize and/or retain it Semipresicion rest- Rigid metallic extension of a fixed or RPD + fits into an intracoronal preparation in a cast restoration.

Category: Dental

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