Tregaskes J N, Kass C A, Knap F J, Ward J E
J Prosthet Dent. 1981 Mar;45(3):334-5. doi: 10.1016/0022-3913(81)90401-7.
A technique has been described for fabricating an accurate working cast in which the finished crowns are easily removable.
已经描述了一种制作精确工作模型的技术,在该模型中完成的牙冠易于取下。