上前牙缺失兼深度覆牙合患者 ,由于下前牙切缘咬在舌隆突上或牙颈部 ,严重者直接咬在上颌硬腭黏膜上。如按一般常规制作活动修复体 ,没有足够的颌间空隙安放基托 ,部分病例虽可采用固定修复 ,但有一定的局限性。我院牙科近几年来对这一类病例 ,借鉴有关资料作了一些设计上的改 On the absence of anterior teeth and deep overbite patients, as the lower edge of the incisors bite in the tongue or on the neck, in severe cases directly on the maxillary hard palate mucosa. Such as the general routine production of active prosthesis, there is not enough space for the placement of the base of the jaw, although some cases may be fixed, but there are some limitations. Dental in our hospital in recent years, this type of case, drawing on the relevant information made some design changes