摘要
目的:评价离体牙在四种常见保存液中颜色的变化。方法: 42名受试者的168颗第一前磨牙分组分别保存于生理盐水、75%的医用酒精、人工唾液和0. 5%的麝香草酚中,使用一种电脑色度计测量离体牙拔除前及拔除后24h、1、2、3、4周时的颜色,并用Vita比色板和胶片相机记录每一时期的牙齿颜色。计算不同时期、不同保存液牙齿发生的改变。结果:拔牙前与浸泡后,各组牙色变化均具有显著性差异,并随浸泡时间延长颜色差异增大。酒精组影响最大。结论:牙齿一旦离开机体,其颜色势必发生改变,基于离体牙的齿科颜色研究应考虑到保存液对牙色的影响,人工唾液保存离体牙对牙齿颜色的影响相对于其他3种保存液较小。
Objective: To evaluate the color change of extracted tooth in four routine solutions. Methods: One hundred and sixty-eight first premolars of forty-two participants were extracted and preserved in physiological saline, medical alcohol, artificial saliva and thymol for four weeks. The teeth color changes were evaluated by a computerized colorimeter, Vita Lumin Shade Guide and slides, after preserved in the four solutions for 24 hours, 1 week, 2 weeks, 3 weeks and 4 weeks. Results: There were significant differences on teeth color change between pre-extract and preserving in each solution. Color differences would increased with increasing preserving time. Conclusion: Extracted teeth color would change certainly, therefore teeth color studies based on extracted teeth should concern on the color change. Within the limited study, color change would occur in extracted teeth whatever solution they were reserved in. Further study on extracted teeth bleaching must take it on consider.
出处
《口腔医学研究》
CAS
CSCD
2005年第2期197-199,共3页
Journal of Oral Science Research
关键词
离体牙
牙齿颜色
保存液
Extracted tooth tooth color preserving solution
