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小儿牙列缺损,无疑应该修复;但修复方法和成人不同,必须考虑缺失牙是乳牙或恒牙,恒牙牙根是否已形成,以及颌骨发育等情况。把小儿牙列缺损分为6类: 第1类,前牙区缺损,又分3个亚类:第1亚类,乳前牙缺失。第2亚类,牙根未形成的恒前牙缺失。这两个亚类适合做活动义齿,卡环固定在乳尖牙上,唇侧无基托,不妨碍牙槽嵴发育,又美观。第3亚类,牙根已形
Pediatric dentition defect, no doubt should be repaired; but the repair method and adults are different, we must consider whether the missing teeth are deciduous teeth or permanent teeth, permanent teeth root has been formed, and jaw development and so on. The dentition defect in children is divided into six categories: the first category, anterior defect, is divided into three sub-categories: the first subclass, missing anterior teeth. Category 2, root not formed permanent anterior teeth missing. These two subcategories are suitable for dentures. The retaining ring is fixed on the canine teeth without the base of the lip and does not hinder the development of the alveolar ridge. Category 3, the root is shaped