This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Which of the following is an indication of complete veneer prosthesis as retainers for FPD? 
Select and explain. 
A. Presence of extensive caries, B. Large defective restorations, C. Endodontically treated teeth, D. Long span fixed partial dentures
D: Long span fixed partial dentures
Answer: D: Long span fixed partial dentures 
Explanation: 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.