Tejchman H, Czerwińska W
Protet Stomatol. 1990 May-Jun;40(3):115-8.
Thirty patients receiving 53 combined crowns with occlusal rest are described. The results are presented in tables. Poor marginal contact was found in about 20% and only 25% of the crowns penetrated into the gingival pouch at a distance over 0.6 mm.
描述了30名接受53颗带咬合支托联合冠修复的患者。结果列于表格中。发现约20%的边缘接触不良,只有25%的冠在超过0.6毫米的距离处深入龈袋。