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活动假牙主要依靠钩子和基托板起到固位、稳定的作用。此种假牙目前价格最便宜,但对人体健康不利。主要原因有:1.活动假牙往往带有各种各样的钩子、支托和卡环等。在假牙初戴时,活动假牙往往戴不上,戴上后易脱落;太紧,假牙就取不下来,也无法清洗,且易引起基牙疼痛等的发生。2.活动假牙初戴时不适感较为明显,并且适应时间子较长。3.活动假牙的基托板有金属板和塑料板二类,制作均较为粗糙,基托板边缘稍长或稍厚,均会损伤牙龈和黏膜组织,引起
Dentures rely mainly on the activities of the hook and the base plate to play a fixed, stable role. The current price of such dentures cheapest, but adverse to human health. The main reasons are: 1. Activities dentures often with a variety of hooks, brackets and snap ring. Denture initial wear, the activities of dentures often wear, easy to wear off after wearing; too tight, the dentures can not take down, it can not be cleaned, and easily lead to the occurrence of the abutment pain and so on. 2. Denture activities at the beginning of wearing discomfort is more obvious, and to adapt to longer time. 3. Denture denture base plate with metal plate and plastic plate two types of production are more rough, slightly longer or slightly thicker base plate edges, will damage the gums and mucosal tissue, causing