Which type of crown does not cover the entire anatomic portion of the tooth?

Question

Quizplus · Accepted Answer

A three-quarter crown does not cover the entire anatomic portion of the tooth.
A full crown completely covers the anatomic portion of an individual tooth.
A porcelain-fused-to-metal crown is a full metal crown with outer surfaces covered with a thin layer of porcelain.
A porcelain jacket crown is constructed as a thin metal shell covered by layers of porcelain built up to resemble the shading and translucence of the enamel of a natural tooth.

Which Type of Crown Does Not Cover the Entire Anatomic