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目的观察甘氨酸喷砂和碳酸氢钠喷砂对佩戴正畸固定矫治器患者口腔卫生和牙周状况的影响。方法选取2013年8月至2014年8月于中国医科大学附属口腔医院牙周科就诊,正畸期间出现菌斑性龈炎症状的固定矫治患者33例,共648颗牙,进行左右半口自身对照实验,左右半口内各324颗牙,随机分成实验组和对照组,实验组用甘氨酸喷砂治疗,对照组用碳酸氢钠喷砂治疗。在治疗前以及治疗后1周检查牙周探诊深度(PD)、牙龈指数(GI)、龈沟出血指数(BI)、菌斑指数(PLI),记录治疗所需时间、治疗后即刻牙龈出血牙数和患者的舒适度。结果实验组治疗前后BI、GI、PLI差异均有统计学意义(均P<0.05);对照组治疗前后BI、GI、PLI差异均有统计学意义(均P<0.05);两组之间舒适度和即刻牙龈出血牙数差异亦均有统计学意义(均P<0.05)。结论两种喷砂治疗均能有效改善固定正畸患者牙周状况,但甘氨酸喷砂舒适度更好、在治疗过程中对牙龈几乎无损伤。
Objective To observe the effects of glycine and sodium bicarbonate sandblasting on oral hygiene and periodontal status in orthodontic appliances. METHODS: From August 2013 to August 2014, 33 patients with orthodontic orthodontic treatment of orthodontics were included in this study. Totally 33 patients with plaque gingivitis were fixed in 647 teeth, Control experiments, the left and right half of the mouth of 324 teeth, were randomly divided into experimental group and control group, the experimental group with glycine sand blasting, the control group with sodium bicarbonate sand blasting. Periodontal exploration depth (PD), gingival index (GI), sulci bleeding index (BI) and plaque index (PLI) were recorded before treatment and 1 week after treatment, and the time required for treatment was recorded. Number of teeth and patient comfort. Results Before and after treatment, the differences of BI, GI and PLI in the experimental group were statistically significant (all P <0.05). The differences of BI, GI and PLI in the control group before and after treatment were statistically significant (all P <0.05) There was also a significant difference between the degree and immediate gingival bleeding teeth (both P <0.05). Conclusion Both sandblasting treatments can effectively improve the periodontal status of patients with orthodontic fixation, but the glycated sandblasting comfort is better, and there is almost no damage to the gums during the treatment.