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单词 hypodontia
释义

hypodontia

英汉-汉英词典
n. 牙发育不全
词组 | 习惯用语
您要查找的是不是:
  • hypertension n. 过度紧张;高血压
  • hypotenuse n. (直角三角形的)斜边
  • hypochondria n. 疑病症
  • orthodontia n. 畸齿矫正(术),正牙学
hypodontia [口腔] 牙发育不全

网络短语:
hypodontia patients 缺齿病人
英语例句库
  1. So this fetus presented seeral signs of trisomy 21, including the hypoplasia of the nasal bone, hypodontia, micrognathia, and hypospadias.
    这样,本例胎儿显示21三体的若干征象:包括鼻骨发育不全、牙发育不全、小颌和尿道下裂。
  2. Objective:To investigate the relationship among the congenital hypodontia of mandibular incisor and malocclusion and the variation of medial distal dimension of mandibular canine.
    探讨下颌恒切牙先天缺失情况,与牙颌畸形的关系以及下尖牙近远中径的变化。

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中文百科

缺牙症

缺牙症 (hypodontia)代表病患缺少一定数量的牙齿,特指缺牙数在六颗以内的情形〈不包含智齿〉。在乳牙期阶段,上颚的患病率较下颚高,且多为侧门牙缺乏。

另外,缺牙数超过六颗〈不包含智齿〉的情形称作少牙症 (oligodontia);全口缺牙〈乳齿或恒齿〉则称作无齿症 (anodontia)。反之,牙齿数目超出正常数量者称为多牙症 (hyperdontia)。

英语百科

Hypodontia 缺牙症

In dentistry, hypodontia is the condition at which the patient has missing teeth as a result of the failure of those teeth to develop (also called tooth agenesis). Hypodontia describes a situation where the patient is missing up to five permanent teeth, excluding the 3rd molars. Missing third molars occur in 9-30% of studied populations. In primary dentition the maxilla is more affected, with the condition usually involving the maxillary lateral incisor.

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更新时间:2025/6/19 22:01:06