论文部分内容阅读
临床上遇到病牙根尖病变广泛,作过椿冠又有根尖病变时,根管治疗失败后,或者领骨囊肿累及牙根时,往往需要拔牙。银汞合金倒充填法(以下简称倒充法)在治疗中能较彻底地刮除根尖病变组织,又用银汞合金将根尖部严密充填封闭,杜绝了感染源,所以常能取得良好的疗效。该方法操作简便,可缩短治疗时间,因此可在领骨囊肿手术或牙体再植术时配合应用,以达到保存牙体的目的。本组31例,男22例,女9例。年龄18～44岁,根尖病变所累及牙齿最多为3个,通常1～2个。操作方法: 按上领囊肿或根尖切除术常规弧形切口,切开后暴露病牙根尖及根尖病变区,以裂钻削去少量根尖部,并使遗留下根面呈一平整的倾斜
Clinical encounter the root tip of diseased teeth lesions extensive, made crown tip again apical lesions, root canal treatment fails, or the collarbone cyst involving the root, often need to tooth extraction. Silver-amalgam filling method (hereinafter referred to as filling method) in the treatment of more radical scrape can remove the root tip lesions, but also with amalgam filling the root tip tightly closed to eliminate the source of infection, it can often get a good Efficacy. The method is simple and can shorten the treatment time, so it can be used in the operation of the collarbone or replantation of the teeth to achieve the purpose of preserving the teeth. The group of 31 cases, 22 males and 9 females. Aged 18 to 44 years old, apical lesions involving teeth up to 3, usually 1 to 2. Method of operation: according to the instructions of cyst or apical resection conventional arc incision, incision exposed root tip and apical lesions, cracked to cut a small amount of root tip, leaving the root surface was left a smooth tilt