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平面板是口腔修复科常用测量器械之一,临床用它来确定全口义齿的(牙合)平面.目前临床应用的(牙合)平面板只是一种单一平面仪,在临床上记录正中(牙合)关系时(即牙尖交错位),为取得正确的(牙合)关系,要求(牙合)平面板的两侧分别与鼻翼耳屏线平行,而鼻翼与耳屏不在一个矢状面上,两者间隔由颧骨弓构成一个曲面.要在曲面上引出一条冠状直线较为困难,而且(牙合)平面与鼻翼耳屏线之间
flat panel is one of the commonly used oral prosthesis measuring instruments, clinically used to determine the complete denture (occlusal) plane.Currently used (occlusal) flat panel is only a single plane instrument, the clinical record of the median (Occlusal position), in order to obtain the correct (occlusal) relationship, both sides of the (occlusal) flat panel are required to be parallel to the nasal flank line, respectively, while the alar and tragus are not in the same direction The surface, the interval between the zygomatic arch to form a curved surface to draw a coronal straight line is more difficult, and (occlusal) plane and nasal otolaryngo line between