A tooth with a single cusp. Cuspids have the longest root of any tooth. Also known as a Canine.
只有
尖的齿.
何尖
有较长的根.也称为犬齿.
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活医
科普 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.
成年人有 32 颗牙齿，称为恒牙或副牙；8 颗门牙，4 颗尖牙也叫犬牙，8 颗前磨牙，也称为双尖牙，12 颗臼齿，包括 4 颗智齿，而儿童有 20 颗牙齿。
