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笔者在临床上将磨牙残冠试作变异复盖嵌体固定修复,获得较好的效果,介绍如下: 适应症 1.磨牙残冠:临床牙冠部分缺损或大部缺损。 2.缺损未波及牙髓。波及牙髓者需口内治疗后再做修复体。 3.牙根及牙周组织健康。 方法及步骤 将残冠稍作预备:在远离髓房的近远中窝或颊舌侧沟处作1～2个园形针道,一般深约1.5～2mm直径1mm左右,两针道与就位方向平行,针道间应有一定距离,距离越远固位作用越好。 1.直接法在病人口完成蜡型,其准确性高。 2.或间接法取模,(用硅橡胶或粉状藻酸盐
I will be in clinical trials of residual molar crowns try variations inlay inlay fixed repair, get better results, described as follows: Indications 1. Molar crown: clinical crown part of the defect or most of the defects. 2. Defect did not affect the pulp. Affect the dental pulp who need oral treatment to do prosthesis. 3 root and periodontal tissue health. Methods and steps The residual crown a little preparation: far in the distance from the medial midrib or buccal gland groove side of 1 to 2 circular needle path, the general depth of about 1.5 ~ 2mm diameter of about 1mm, two needle path Bit direction parallel, there should be some distance between the needle, the farther the distance retains the role of the better. 1. The direct method in the patient's mouth to complete the wax type, its high accuracy. 2. or indirect method of taking molds (with silicone rubber or powdered alginate