Posterior pontic MCQ | AIPGDEE Preparations with Explanations

In fixed partial denture it is better for posterior pontic to avoid contacts in:

A. Working side contacts

B. Balancing side Contacts

C. Side to side contact

D. Centric occlusion

Ans. (B) Balancing side Contacts: 

“In FPD, it is better for posterior pontic to avoid balancing side contacts”*

“In FPD the balancing side contacts were eliminated on posterior teeth” –Nallaswamy page 532.

• In FPD it is better for posterior pontic to avoid contacts in balancing side

• Centric relation is most reproducible relation of the jaws that is used in FPD construction.

• In centric relation deflective contacts are corrected first.*

• A cusp should be reduced if it is deflective in centric and eccentric position

• BULL technique is used to reduce the cusps when interference is on working side contacts of Laterotrusive contacts

• When mandible is closed shut forcibly from a opening movement, the position achieved by it is called centric occlusion.