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
Advantages of complete veneer crown include all of the above except: 
Select and explain. 
A. Most effective retention and resistance., B. Alteration in tooth form and occlusion possible., C. Margins are close to gingiva., D. None of the above
C: Margins are close to gingiva.
Answer: C: Margins are close to gingiva. 
Explanation: Advantages of complete veneer crown

Most eﬀective retention and resistance.
Alteration in tooth form and occlusion possible.

Disadvantages of complete veneer crown

Extensive tooth preparation.
Margins are close to gingiva and need meticulous maintenance.