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我科在1988～1991年度共收集儿童非龋病拔牙84例,共95颗牙。患儿年龄自新生儿至12岁。其中诞生牙12颗,畴形牙16颗,多生牙32颗,外伤牙35颗。现按各类拔牙病因将分析如下: 1、诞生牙:该牙大多在婴儿出生时已在口腔内萌出,常见于下中切牙部位。一般认为,该牙是因乳牙过早萌出。因部分牙的根部不发育,故极松动,有脱落的危险,故给予拔除。本组有3颗是在患儿3个月时萌出,因牙冠短小,釉质发育极差,伴有舌下溃疡,作X光片检查,有正常乳切牙生长,作为多生乳牙予以拔除。诞生牙经认真检查,可以确诊是正
A total of 84 cases of non-dental caries were collected in our department from 1988 to 1991, a total of 95 teeth. Children from the newborn to 12 years old. Including the birth of 12 teeth, dendritic teeth 16, more teeth 32, traumatic teeth 35. Now according to various types of extraction of etiology will be analyzed as follows: 1, the birth of teeth: most of the teeth in the baby at birth has erupted in the mouth, common in the lower incisors. Generally believed that the tooth is due to premature eruption of deciduous teeth. Because part of the root of the tooth is not developed, it is very loose, there is the danger of falling off, so give removal. This group has 3 3 months in children with eruption, due to short crown, enamel development is very poor, accompanied by sublingual ulcers for X-ray examination, there are normal breast incisor growth, as multiple births to be removed . Birth teeth carefully checked, you can confirm the diagnosis is positive