牙齿种植术国內已有人开始研究与应用。經我們思索和試驗,在1957年4月制成了与牙齿外型相同的塑膠假牙,經多次試制証明适用于各种牙齿(牙根特别弯曲者除外),制法簡單而准确。其制作步驟介紹如下:1.石膏模的制作:石膏模并非塑膠牙的制作 Dental implant surgery has been the beginning of research and application. After our pondering and testing, we made the plastic denture with the same appearance as the tooth in April 1957, and proved that it is suitable for all kinds of teeth (except those with special root bends) after many trials, and the method is simple and accurate. The production steps are described below: 1 plaster mold production: plaster mold is not plastic teeth