A tooth with a single cusp. Cuspids have the longest root of any tooth. Also known as a Canine.

只有个牙尖牙齿.任何个尖牙都有个较长牙根.也称为齿.

Trityldon(Greek for 3 cusped tooth) was a species of tritylodont, one of the most advanced group of cynodont therapsids.

三瘤齿兽是三瘤齿兽科属，而三瘤齿兽类是齿兽类最先进。

It will cause loss of the canine guidance, damage of the occlusion, and discoordination of the maxillary and mandibular arch forms.

生齿引起齿导引丧失、咬合损伤、上下颚牙弓不协调。

In this paper, we reported a case that simultaneously had maxillary bilateral impacted central incisors with dilaceration and mandibular bilateral fused lateral incisors and canines.

本篇文章将介绍病例，此病例为上颚双侧正门齿生合并下颚双侧侧门齿与齿融合。