A tooth with a single cusp . cuspids have the longest root of any tooth . also known as a canine 只有一個(gè)牙尖的牙齒.任何一個(gè)尖牙都有一個(gè)較長(zhǎng)的牙根.也稱(chēng)為犬齒
The teeth located between the cuspids and the molars , having either two or three cusps . the bicuspids are numbered 4 , 5 , 12 , 13 , 20 , 21 , 28 & 29 . also known as premolars 位于尖牙和磨牙(臼齒)之間的牙,所有雙尖牙都有兩個(gè)或三個(gè)牙尖.雙尖牙被編號(hào)為4 , 5 , 12 , 13 , 20 , 21 , 28和29 .也被稱(chēng)為前磨牙(臼齒)