无卡环合金基托修复前牙缺失章加守滕卫缪英芝我科近年来试用无卡环合金基托修复前牙１１例，取得满意效果，现报道如下：一、制作步骤与要求１．邻牙预备：上、下前牙单个缺失或２～３个缺失者，取模前口腔预备时，应去除邻牙所形成的倒凹。２．模型修整：修整石膏模型时... Card ring-free alloy base repair anterior tooth loss Zhang Jianhou Teng Wei Miao Yingzhi Our department in recent years to explore the use of aka ring-free alloy base repair 11 cases of anterior teeth, and achieved satisfactory results are reported as follows: First, the production steps and requirements 1. Orthodontic preparation: the upper and lower anterior teeth missing or a single 2 to 3 missing persons, pre-mold oral preparation, should be removed adjacent to the formation of inverted concave dent. 2. Dressing: Dressing gypsum model ...