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目的:探讨龈沟液(GCF)量与菌斑指数(PLI)、出血指数(BI)、牙龈指数(GI)在儿童龈炎发生发展过程中的变化,分析GCF量与PLI、BI、GI的相关性。方法:选择临床诊断为轻度儿童龈炎患儿45例137颗牙,在实施治疗措施的第0、3、7、14、21、28天分别对PLI、BI、GI与GCF量进行检测与相关性分析。结果:45例轻度龈炎儿童,共137颗牙,治疗后临床可见牙面菌斑堆积量逐渐减少,治疗后第3、7、14、21、28天PLI、BI、GI的数值与第一时间点比较,差异具有统计学意义(P<0.01);第14、28天GCF量与第一时间点比较,差异有统计学意义(P<0.05),第21天与第一时间点比较,差异具有统计学意义(P<0.01);各检查时间点的临床指标与GCF量呈正相关关系。结论:在儿童龈炎发生过程中,轻度牙龈炎的GCF量与PLI、BI、GI间均呈正相关关系;GCF量与龈炎发生程度密切相关,可作为评价牙龈炎趋向性的动态指标。
Objective: To investigate the changes of gingival crevicular fluid (GCF) volume, plaque index (PLI), hemorrhage index (BI) and gingival index (GI) in children with gingivitis. Correlation. Methods: Forty-five children (137 eyes) with gingivitis in children were selected for clinical diagnosis. The levels of PLI, BI, GI and GCF were detected on days 0, 3, 7, 14, 21 and 28 Correlation analysis. Results: In 45 children with mild gingivitis, there were 137 teeth. After treatment, the deposition of plaque gradually decreased. The values of PLI, BI and GI at the 3rd, 7th, 14th, 21st, The difference was statistically significant at one time point (P <0.01). On the 14th and 28th days, the GCF quantity was significantly different from the first time point (P <0.05), on the 21st day compared with the first time point , The difference was statistically significant (P <0.01); the clinical indicators at each test time point had a positive correlation with the amount of GCF. CONCLUSION: GCF quantity of mild gingivitis has a positive correlation with PLI, BI and GI in children with gingivitis. GCF quantity is closely related to the occurrence of gingivitis and can be used as a dynamic index to evaluate the tendency of gingivitis.