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1、可摘部分义齿的概念是什么? 可摘部分义齿是指病人可以自行取戴的,在部分无牙颌牙弓上,替代个别缺牙或多数缺牙(仅存一个余留牙)的人造牙及其邻近组织的修复体。 2、缺牙后不及时作义齿修复有何不良后果? (1)余留牙可向缺隙倾斜,移位,对(牙合)牙可继续萌出而伸长;(2)邻缺隙牙及其对(牙合)牙与邻牙之间的接触点可以丧失或异位;(3)降低牙齿的自洁作用,导致食物嵌塞和滞留,易诱发龈炎和龋齿;
1. What is the concept of removable partial denture? Removable partial denture refers to the patient can take on their own to wear, in some edentulous dental arch, instead of individual or most of the missing teeth (only one remaining teeth) of artificial teeth And its adjacent tissue restoration. 2, after the lack of teeth for dentures not timely repair what adverse consequences? (1) residual teeth tilt to the missing gap, displacement, (occlusion) teeth can continue to erupt and elongation; (2) adjacent gap teeth and its The contact point between the occlusal tooth and the adjacent tooth can be lost or ectopic; (3) the self-cleaning effect of the tooth is reduced, leading to impaction and retention of the food, easy to induce gingivitis and caries;