楔状缺损的龈侧壁多数平齐牙龈缘或深入龈下，为使充填体与牙体边缘密合、充填器械要反复伸入龈下，给操作造成许多不便之处。作者用市售棉白线作牙龈压排线，ＤｙｒａｃｔＡＰ复合体进行充填，观察充填体与牙体边缘的密合度，现报告如下。资料和方法１－一般资料：随机选择 Most of the wedge-shaped gingival defect side of the gingival margin alignment or deep into the subgingival, in order to make the body close to the edge of the body filler, filling equipment to be repeatedly extended into the subgingival, to the operation caused many inconveniences. The author uses the commercially available cotton white line as the gingival compression line, Dyrac  tAP composite body filling, packing and body edge to observe the adhesion, are as follows. Materials and Methods 1 - General Information: Random Selection