Objective: To investigate the short-term clinical outcomes of full-mouth ultrasonic subgingival debridement on slight or moderate periodontitis in senior patients. Methods: The patients included in this study were firstly educated with oral hygiene methods, and conducted with ultrasonic supragingival scaling. One week later, bleeding on probe (BOP), gingival bleeding index (GBI), attachment loss (AL), and probing depth (PD) were evaluated as baseline by Florida? Probe system. After two times of full-mouth ultrasonic subgingival dibridement with 1 or 2 weeks interval, the same clinical examination was repeated after 1 and 3 months. Results: GBI and BOP rates decreased from 3.17 and 37.2% to 1.67 (P<0.05) and 13.2% (P<0.05) on 1 month later after full-mouth ultrasonic debridement respectively, and to 1.82 (P<0.05) and 16.8% (P<0.05) on 3 months later. There were also significant differences in PD and AL compared with the baseline. The data of PD was 3.18 mm and 2.45 mm (P<0.05) after 1 month and 3 month respectivelywith 2.37 mm (P<0.05) as baseline. And the data of AL was 4.51, 3.34 (P<0.05) and 3.27 mm (P<0.05) respectively. Conclusions: The method of two times full-mouth ultrasonic subgingival debridement could control the inflammation of slight or moderate periodontitis in senior patients at early stage. Further studies should be conducted to uncover the mechanisms and fulfill the details of such method.%目的:观察全口超声龈下刮治两次法对轻中度牙周炎的治疗效果.方法:按病例纳入标准选择年龄60岁以上、轻中度牙周炎患者42例,经口腔卫生宣教、超声龈上洁治术后,进行基线检查:牙龈出血指数(GBI),探针出血(BOP)阳性位点,牙周探诊深度(PD)及附着水平(AL),然后进行两次全口超声龈下刮治.术后1个月、3个月复查.所得数据进行配对t检验,统计学分析各临床指标治疗前后的变化.结果:术后1个月的PD由治疗前平均3.18 mm减少至平均2.45 mm(P ＜0.05),附着水平由平均4.51 mm提高至平均3.34mm (P ＜0.05),术后3个月的PD及AL分别为2.37 mm(P ＜0.05)及3.27 mm(P ＜0.05).GBI术前平均为3.17,术后一个月及三个月分别减少至1.67(P＜0.05)及1.82(P ＜0.05).BOP阳性率由术前的37.2％,在术后一个月及三个月分别下降至13.2％(P ＜0.05)和16.8％(P ＜0.05).结论:全口超声龈下刮治两次法短期可改善老年轻中度牙周炎患者的牙龈出血及附着水平,牙周袋探诊深度也有减少的趋势,同时相对于传统的分区龈下刮治及根面平整术,可减少患者复诊次数.
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