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活动部分义齿虽然需要机械固位,但为了美观,不一定依靠卡环固位。美观的活动部分义齿可采用不显眼的卡环或昂贵的冠内精密附着体固位。本文叙述了采用舌侧固位卡环和双道戴入(即从两个方向就位)两种方法来达到不显露固位体的目的。舌侧固位当用活动部分义齿修复缺失的前牙时,卡环放在前端的基牙上是不理想的。因此可
Although part of the denture needs mechanical retention, it does not necessarily depend on the retaining ring for aesthetic purposes. Aesthetic activities Partial dentures can be inconspicuous snap ring or expensive intracoronary precision attachment retention. This article describes the use of lingual retention retainer ring and dual wearing (that is, from both directions in place) two ways to achieve the purpose of not revealing the retainer. Posterior lingual retention When the missing anterior teeth are repaired with the active partial denture, it is not desirable for the snap ring to be placed on the anterior abutment. So yes