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年轻恒前牙的外伤冠折在儿童中比较常见,我们应该及时正确地处理外伤牙,这对外伤牙的继续发育、牙列完整及儿童牙(牙合)系统的功能和颜面的美观有重要的意义.临床资料我们治疗了并追踪观察恒前牙外伤冠折患儿15名,外伤牙17个.年龄均在8～12岁,15例中男性11例,女性4例.外仿牙冠折最多见于中切牙共16个(占94%)下颌中牙1个(占5.3%).经治疗的冠折17个,按折断程度分为Ⅲ型.Ⅰ型冠折为冠折限于牙轴质,有1个牙,占冠折牙的5.8%;Ⅱ型冠折为冠折部牙本质折断,牙髓未暴露,共10个牙,占53.3%,Ⅲ型冠折为冠部牙本质折断,伴有切牙髓外露,共6个牙,占35.2%.
Young permanent anterior teeth traumatic head injury in children is more common, we should promptly and properly deal with traumatic teeth, traumatic teeth which continue the development, complete dentition and child teeth (occlusal) system function and facial appearance is important Clinical data We treated and traced 15 cases of traumatic coronary atypical tooth trauma and 17 traumatic teeth.All of them were from 8 to 12 years old.Among 11 cases, there were 11 males and 4 females, A total of 16 cases of maxillary incisors (94%) were found in 1 case (5.3%) of the mandibular middle teeth, 17 cases of which were classified as type Ⅲ by the degree of fracture, type Ⅰ Axial quality, with a tooth, accounting for 5.8% of the crown teeth; type II crown fracture of the crest of the crest of the fracture, the pulp is not exposed, a total of 10 teeth, accounting for 53.3%, type III crown fracture of the dentin Broken, accompanied by incision pulp, a total of 6 teeth, accounting for 35.2%.