A tooth with a single cusp. Cuspids have the longest root of any tooth. Also known as a Canine.
只有尖.尖都有较长根.也称为犬.
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Incisors and cuspids are in front of the mouth; molars are in the back.
门位于嘴前; 磨在后面。
Most adults have 32 teeth called permanent or secondary teeth; 8 incisors, 4 canines, also called cuspids, 8 premolars, also called bicuspids, 12 molars, including 4 wisdom teeth whereas children have 20 teeth.
大多数成年人有 32 颗齿,称为恒;8 颗门,4 颗也叫犬,8 颗前磨,也称为双,12 颗臼齿,包括 4 颗智齿,而儿童有 20 颗齿。
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