Ferrari M
Department of Restorative Dentistry, School of Dentistry, University of Siena, Italy.
Int J Prosthodont. 1991 Mar-Apr;4(2):126-31.
This in vivo study recorded the microleakage and marginal discrepancies of cast glass-ceramic cemented crowns compared to gold onlays and a metal ceramic restoration. Within the limits of the small number of samples and the variables inherent in an in vivo study, it was found that (1) dentin bonding agents are not strong enough to produce a gap-free cementation, (2) the marginal adaptation of beveled metal restorations is better than that of glass-ceramic crowns, and (3) the marginal adaptation of cast glass-ceramic crowns is clinically acceptable.
这项体内研究记录了铸瓷全冠与金嵌体及金属烤瓷修复体相比的微渗漏和边缘差异。在样本数量较少以及体内研究固有变量的限制范围内，发现：（1）牙本质粘结剂强度不足以实现无间隙粘结；（2）斜面金属修复体的边缘适合性优于铸瓷全冠；（3）铸瓷全冠的边缘适合性在临床上是可接受的。
