Hultén J, Tillström B, Nilner K
Department of Prosthetic Dentistry, Lund University, Malmö, Sweden.
Swed Dent J. 1993;17(6):225-34.
The conical crown was introduced by K.H. Körber more than twenty years ago, as a development of the well known telescopic crown. In combination with a removable denture, the conical crown has become widely used in Germany and Sweden, since the system enable modifications with maintained function if abutments are lost. All 78 patients treated with conical crown retained dentures, at the School of Dentistry, Dept. Prosthetic Dentistry, Lund University, 1983-1988, were included in a 40 month follow up study using the CDA quality evaluation system. More than 80% of the removable dentures and abutments were in function at the time of examination. Forty-four percent of the conical crown retained dentures were considered having acceptable quality while 56% were not acceptable, mainly due to caries at the abutments margins.
二十多年前，K.H. 柯伯提出了圆锥形冠，它是著名套筒冠的一种发展形式。与可摘义齿相结合，圆锥形冠在德国和瑞典得到了广泛应用，因为如果基牙缺失，该系统能够在保持功能的同时进行调整。1983年至1988年期间，隆德大学牙科学院修复牙科系对所有78例接受圆锥形冠固位义齿治疗的患者进行了为期40个月的随访研究，采用CDA质量评估系统。检查时，超过80%的可摘义齿和基牙仍在发挥功能。44%的圆锥形冠固位义齿质量被认为是可接受的，而56%是不可接受的，主要原因是基牙边缘龋坏。
