Prosthodontics MCQ 25

Wednesday, June 25, 2008

Prosthodontics MCQ 25

Posted by Vishaal at 6/25/2008 11:09:00 AM Wednesday, June 25, 2008

When restoring two edentulous spaces on either side of a pier abutment it is beneficial to employ a stress breaker. If you intend to restore a missing #7 and #9 with a 5 unit FPD abutted on #’s 6, 8, and 10, where would you employ the components of the stress breaker

a. Key on distal of #9 pontic, keyway on mesial of #10 abutment
b. Key on mesial of #7 pontic, keyway on distal of #8 abutment
c. Key on mesial of #9 pontic, keyway on mesial of #8 abutment
d. Key on distal of #8 abutment, keyway on mesial of #7 pontic
e. Key on mesial of #8 abutment, keyway on mesial of #9 pontic
f. Key on distal of #10 abutment, keyway on mesial of #9 pontic

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Wednesday, June 25, 2008