论文部分内容阅读
目的:探讨激光诱导荧光技术在慢性牙周炎检测中的应用前景。方法:随机选取慢性牙周炎患者8名,非慢性牙周炎患者12名,两组均使用激光照射其4个第一磨牙,观察是否有红色荧光,检测并记录4个第一磨牙各位点的牙周袋深度(PD)、临床附着丧失(CAL)、探诊出血指数(BOP)及菌斑指数(PLI)等指标。另选取因正畸或阻生拔除的健康牙及因重度牙周炎拔除的离体牙各20个,分别用激光照射并观察牙面是否存在红色荧光。分析慢性牙周炎与红色荧光、红色荧光和牙周指标之间的关系。结果:慢性牙周炎患者中红色荧光牙数显著大于非慢性牙周炎患者(P<0.05);显示有红色荧光的牙PD、CAL、BOP、PLI均大于非红色荧光牙(P<0.05);牙周炎离体牙中显示有红色荧光牙数也高于正常离体牙(P<0.05)。结论:激光诱导在牙周围产生的红色荧光与慢性牙周炎存在密切关系。
Objective: To explore the application of laser-induced fluorescence in the detection of chronic periodontitis. Methods: Eight patients with chronic periodontitis and 12 patients with non-chronic periodontitis were randomly selected. Four groups of first molars were irradiated with laser and red fluorescence was observed. Four sites of the first molars were detected and recorded (PD), clinical attachment loss (CAL), exploration hemorrhage index (BOP) and plaque index (PLI) and other indicators. In addition, 20 healthy teeth extracted due to orthodontic or impending implants and 20 isolated teeth removed due to severe periodontitis were selected and irradiated with laser to observe the presence of red fluorescence on the tooth surface. Analysis of chronic periodontitis and red fluorescence, red fluorescence and the relationship between periodontal indicators. Results: The number of red fluorescence teeth in patients with chronic periodontitis was significantly greater than that in patients without chronic periodontitis (P <0.05). The PD, CAL, BOP and PLI of the teeth with red fluorescence were higher than that of the non-red fluorescence teeth (P <0.05) The teeth with red fluorescence in periodontitis showed higher number of teeth than normal teeth (P <0.05). Conclusion: There is a close relationship between laser-induced red fluorescence in the periodontal ligament and chronic periodontitis.