门牙，门齿，切牙。
门牙是分布于口腔下颚前方的八颗牙齿，四颗在上，四颗在下。
Incisors are the eight teeth at the front of your mouth — four at the top, four at the bottom.
举例来说，你愿意付多少钱来拔掉你的一颗上门牙？
For example, how much would you have to be paid to have one upper front tooth pulled out?
“瓷牌，”那位牙科医生回答说，“就是门牙，上排的两个门牙。”
"The palettes," replied the dental professor, "are the front teeth, the two upper ones."
这位病人一直以来都在抱怨她的两颗门牙中间长出来的缝隙。
She'd had been complaining about a large gap that had developed between her front two teeth.
我们叫他兔子是因为他的门牙有个豁口和有一头胡萝卜色的头发。
We called him Rabbit because of the gap between his front teeth and his carrot-red hair.
那种恶骂从中了酒毒的哑嗓子里喊出来，确是很丑，那张嘴确也缺少两颗门牙。
These insults, poured forth in a voice roughened by brandy, did, indeed, proceed in hideous wise from a mouth which lacked its two front teeth.
有三对门牙、一对延长犬齿、三对臼齿、四对前臼齿，上下加起来，一共。
Three pairs of incisors, one pair of elongated canines, three pairs of molars, four pairs of premolars, upper and lower, for a total of 44 teeth.
下颚突出式咬和如果有两颗或两颗以上的上门牙无法与下门牙接触，属于失格。
An undershot bite in which two or more of the upper incisors lose contact with two or more of the lower incisors is a disqualification.
我想起一个春日，当时还在上小学、缺了一对门牙的女儿自然而然地在院子里起舞。
I remembered a spring day when my daughter, who was in elementary school at the time and missing a couple of front teeth, started dancing spontaneously around our front yard.
赫斯特说，据信是儿童门牙的这个牙齿，可能来自于他在学校念书时所发生的一些事。
Hirst said the tooth, believed to be a child's incisor, may have come from incidents he had at school.
咬合必须是下颌突出式咬合，就是说，下颌的门牙必须比上颌的门牙向前突出一些。
Jaws must be undershot. The incisors of the lower jaw should protrude over the upper incisors.
牙齿形状应该好，下门牙应紧贴上门牙的后部，非常微小的空隙不会被认为是严重缺陷。
The teeth should be of good size, with the lower incisors fitting closely behind the upper incisors; a very slight space not to be regarded as a serious fault.
该案例表明一个不寻常的形态配置根管系统和补充以前的报告中存在这样的配置在下颚门牙。
The case demonstrates an unusual morphological configuration of the root canal system and supplements previous reports of the existence of such configurations in mandibular incisors.
当了40年牙科美容医师的克兰德说，布雷尔先生的侧面门牙—门牙的两边—底部都比较平。
Dr philip kurland a cosmetic dental surgeon for40years said mr blair 's lateral incisors-either side of his front teeth-are flatter at the bottom.
问题：位于中央位置的门牙是非常容易受到腐蚀的，而下颚的门牙则直接则特别容易遭受磨损。
PROBLEMS: The central incisors are most vulnerable, but those in the lower jaw are particularly affected by teeth grinding, which 8 per cent of us do unconsciously.
大部分的宝宝长牙顺序都如此：先长两颗下门牙，然后再是两颗上门牙，接着长两侧及后面的牙。
Most babies get new teeth in this order: First the bottom two middle ones, then the top two middle ones, then the ones along the sides and back.
如：我们班有一名男同学，在放学的路上又跑又跳，追逐打闹，一下子摔倒了，磕掉了一颗门牙。
Such as: have a male classmate in our class, in the way of school running and jumping again, chase scenes, suddenly fell down, and knock off a front teeth.
与其他现存的或已经灭绝的鳄鱼不同，至尊鳄鱼的颅骨越往前越宽，里面布满了致命的巨大门牙。
And unlike any other croc, living or extinct, SuperCroc's skull gets wider toward the front end, which is armed with a deadly row of enlarged incisors.
他们采用同样的方法解读出了与铲状门牙和干性耳垢相关的多个SNP，这两个性状在现代亚洲人和美洲土著中十分普遍。
The same method was used to read SNPs linked to shovel-shaped front teeth and a dry type of earwax, both common traits in modern Asians and Navive Americans.
他们采用同样的方法解读出了与铲状门牙和干性耳垢相关的多个SNP，这两个性状在现代亚洲人和美洲土著中十分普遍。
The same method was used to read SNPs linked to shovel-shaped front teeth and a dry type of earwax, both common traits in modern Asians and Navive Americans.
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