Which of the following is an indication of complete veneer prosthesis as retainers for FPD?: (A) Presence of extensive caries, (B) Large defective restorations, (C) Endodontically treated teeth, (D) Long span fixed partial dentures
Answer is D. Indications of complete veneer prosthesis as crown:

Presence of extensive caries.
Large defective restorations.
Endodontically treated teeth.
Fractured tooth.
Need to change contour for removable partial denture retention.

Indications of complete veneer prosthesis as retainer for FPD:

Short abutment.
Long-span ﬁxed partial dentures. 
Abutment alignment needs correction.
Greater than average occlusal forces.