上颌无牙颌的面弓记录与转移

The facebow record and transfer for the maxillary edentulous arch

面弓是辅助将上颌无牙颌石膏模型转移并固定在架正确位置的装置。当面弓将上颌无牙颌模型固定到架上时,它应该准确复现患者进行张闭口运动时上颌颌弓相对于双侧髁突的位置关系。本文详细介绍无牙颌面弓记录与转移的临床标准操作方法,主要内容包括确定参考平面、固定托、利用转移台、固定上颌模型等操作,每一步操作都通过相应的图片进行详细说明。

The facebow record records the orientation of maxilla edentulous cast to the correct position of the articulator.When this record is transferred to the articulator,it should establish the same relative position of the cast to the opening axis mechanism of the articulator as the maxilla has to the temporomandibular joint.This article contains the very latest information and illustrates the meticulous detail of the clinical and laboratory steps necessary to record and transfer facebow with high quality photographs.Important clinical procedures such as the making of facebow transfer records,the proper semi-adjustable articulators mounting are described.