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一般的义齿通过共同就位道就位,即所有的支托同时就位,而旋转就位的义齿,先就位有旋转中心的第一部分,然后旋转修复体,就位第二部分。第一部分用紧靠倒凹的硬固位体,第二部分用固位的一般卡环,使义齿不能从(牙合)方向垂直脱位。旋转就位一般分三种类型:从前向后就位(A P就位),多用于修复前牙,也可用于修复后牙;从后向前就位(P A就位),用于修复双侧后牙;侧向旋转就位,先就位一侧的硬固位体,然后旋转到对侧就位。
The general denture is put in place by a common sitting position where all the rest are in place at the same time and the rotating denture first seats the first part of the center of rotation and the rest of the body is rotated to place the second part in place. The first part uses a rigid retainer abutting against the undercut and the second part retains the normal retaining ring so that the denture can not be dislocated vertically from the occlusal position. Rotation in place is generally divided into three types: from front to back in place (AP in place), used to repair the anterior teeth, can also be used to repair the posterior teeth; posterior from the place (PA in place) Posterior teeth; Lateral rotation in place, first in place on one side of the hard retainer, and then rotated to the opposite side of the place.