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对青年人后牙垂直型食物嵌塞(V.F.I.)从嵌塞的邻接两牙及其与对合牙的相关牙尖的相互关系上进行了原因分析。据此,对V.F.I.提出了另一种分型方式,通过特定的数字和指数,可以表明V.F.I.形成的可能原因及其相应的处理方法。
The posterior vertical occlusion of young people (V.F.I.) was analyzed for causal relationships between impacted adjacent teeth and their associated cusps. Accordingly, V.F.I. put forward another classification method, through the specific figures and indices, can indicate the possible causes of V.F.I. formation and its corresponding approach.