本文目的是就复合树脂应用于G·V·Black Ⅳ类洞充填,因Ⅳ类洞固位差而增加设计支架固位,并就临床疗效观察进行分析,提出点滴体会供同道们参考。 临床分析 一、一般情况 任意选择中、青、少年前牙切缘、切角大部分和全部缺损牙齿,并能坚持复查的93名患者,共113枚牙。其中1|1 100枚,占88.50%;2|2 10枚,占8.85％;3|2枚, The purpose of this paper is to apply the composite resin to the G · V · Black Ⅳ type of cavity filling, and to increase the design of the stent retention due to the poor retention of the type Ⅳ cavity. The analysis of clinical curative effect is also given. Clinical Analysis First, the general situation of any choice, young, juvenile incisors cut edge, cut most of the teeth and all the missing teeth, and can insist on the review of 93 patients, a total of 113 teeth. Among them, 1 | 1 100, accounting for 88.50%; 2 | 2 10, accounting for 8.85%; 3 2,