俗称门牙。位于口腔前部的上、下颌骨,呈弧形排列,分为上颌中切牙,上颌侧切牙,下颌中切牙和下颌侧切牙,共八颗切牙,唇面牙冠呈楔形,牙根单一,切缘较薄,故其主要功能为咬断食物,以利臼齿的咀嚼。乳牙于6岁左、右更换恒齿。
n. incisor
misc. incisor teeth
... incisor tooth切牙;门齿 incisor lobe[昆]叫切齿叶;其前端有切齿叶 lateral incisor侧切牙 ...
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... incisor ridge 释义:切嵴 incisor teeth 释义:切牙,门牙,门齿 incisor crest 释义:切牙嵴 ...
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...切牙( 牙的形态特点和功能特性分类: 根据牙的形态特点和功能特性,恒牙分为切牙、尖牙、前磨牙和磨牙四组。 1.切牙(incisor) 位于口腔前部,口腔内上、下、左、右共8个切牙|育,牙冠由唇面、舌面、近中面和远中面四个轴面和一个切嵴组成。
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切牙槽钳 alveolar cutting forceps
下颌切牙 mandibular incisor ; lower incisor
侧切牙 lateral incisor ; Latral
切牙孔 [解剖] incisive foramina
上切牙 Upper incisors ; Is-NL
上颌中切牙 maxillary central incisor ; The Pemanent Maxillary Central Incisor
中切牙 central incisor ; Central ; lower central incisor
下颌中切牙 mandibular central incisor ; The Pemanent Mandibular Central Incisor
下颌侧切牙 mandibular lateral incisor ; The Pemanent Mandibular Lateral Incisor
结果得到切牙乳突与腭皱形态的测量方法和基础数据。
Results We gained the basic data and find a measuring method of incisive papilla and palatal wrinkle.
但有资料表明下颌切牙的根管解剖形态较为复杂,变异较多。
However, some research data show that mandibular incisors' root canal anatomy is comparatively complex, and root canal system has many variations.
目的:推导切牙合功能时,髁状突向前下方运行的距离及生理意义。
Objective: How distant the condyle moved to protrusive and its function importance for incisors occlusion.
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