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目的:寻求改善固定矫治器治疗中患者的牙周卫生状况的预防措施。方法:选择60例接受固定矫治的正畸患者,随机分为3组:对照组常规交待矫治注意事项;试验A组常规交待矫治注意事项,强调口腔卫生,要求使用改良Bass法刷牙;试验B组在试验A组的基础上,矫治前及矫治后每6个月接受一次龈上洁治。临床检测指标为16、13、21、31、43、46指数牙的龈沟出血指数(SBI)和牙龈探诊深度(PD)。采用SPSS11.0软件对数据进行单因素方差分析。结果:①3组患者SBI治疗6个月时均显著增高(P<0.05)。组间有显著性差异,对照组>试验A组>试验B组(P<0.05)。②3组患者PD随着治疗时间增加而增大,治疗6个月时对照组与两个试验组间有显著性差异(P<0.05),两个试验组之间差异不显著(P>0.05)。③治疗12个月时,试验A组和试验B组间PD有显著性差异(P<0.05)。结论:①通过刷牙可以部分改善牙周卫生状况,②定期进行牙周洁治可以明显减轻牙龈炎症,较好地维护口腔卫生。
OBJECTIVE: To seek ways to improve the periodontal hygiene of patients undergoing fixed appliance treatment. Methods: A total of 60 orthodontic patients undergoing fixed orthodontic treatment were selected and randomly divided into 3 groups: the control group was routinely treated with caution; the patients in group A were routinely treated with orthodontic treatment, oral hygiene was emphasized, and the teeth with modified Bass method were required; On the basis of the experimental group A, the superficial scalp was treated every 6 months before and after the correction. The clinical indicators for detection were the sulcus bleeding index (SBI) and gingival exploration depth (PD) for index teeth at 16, 13, 21, 31, 43, Data were analyzed by one-way ANOVA using SPSS11.0 software. Results: ① The SBI of 3 groups were significantly increased at 6 months (P <0.05). There was significant difference between the two groups. The control group> test group A> test group B (P <0.05). ② The PD of three groups increased with the increase of treatment time. There was significant difference between the two groups (P <0.05) and the difference of two groups was not significant (P> 0.05) . ③ At 12 months of treatment, there was a significant difference in PD between experimental group A and experimental group B (P <0.05). Conclusion: (1) Periodontal hygiene can be partially improved by brushing; (2) Regular periodontal treatment can significantly reduce gingivitis and maintain oral health.