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目的探讨幼儿园群体应用氟化泡沫进行预防性龋齿干预的效果。方法本研究设研究组197名龋齿患儿进行氟化泡沫预防性治疗,并以同期180名未接受该治疗的儿童进行龋齿发生率的2年期为临床随访对照。结果两组儿童在研究开始前,预防组其龋齿发生率为62.94%,对照组龋齿发病率为61.67%,两组相比,差异无统计学意义(P>0.05)。进行氟化泡沫预防治疗后,在临床随访期,研究组的龋齿发病率降至41.12%,对照组的龋齿发生率为73.89%,研究组比对照组的龋齿发生率显著下降(χ2=7.212,P<0.05),差异有统计学意义。此外,在临床随访期,研究组197名儿童中新发龋齿病例14人,占7.11%,对照组180名儿童中37人新发龋齿,占20.56%,故研究组其新发龋齿率比对照组显著要低(χ2=16.188,P<0.05),差异有统计学意义。结论氟化泡沫应用于学龄前儿童、尤其是幼儿园群体的大面积预防性龋齿干预疗效极佳。
Objective To investigate the effect of fluorinated foam for preventive dental caries intervention in kindergarten population. Methods A total of 197 dental caries patients in our study group were enrolled in the prophylaxis of fluoridated foam. Two years of caries occurrence in 180 children who did not receive this treatment during the same period were used as clinical follow-up controls. Results Before the start of the study, the incidence of dental caries was 62.94% in the prevention group and 61.67% in the control group. There was no significant difference between the two groups (P> 0.05). After fluorinated foam prevention treatment, the incidence of dental caries dropped to 41.12% at the clinical follow-up, and the incidence of dental caries in the control group was 73.89%. The incidence of dental caries in the study group was significantly lower than that in the control group (χ2 = 7.212, P <0.05), the difference was statistically significant. In addition, at the clinical follow-up period, 14 cases of newly diagnosed caries were found in 197 children in the study group, accounting for 7.11%. Among the 180 children in the control group, 37 were new caries, accounting for 20.56% Group was significantly lower (χ2 = 16.188, P <0.05), the difference was statistically significant. Conclusion The fluorinated foam applied to pre-school children, especially kindergarten population prevention of dental caries in large areas of excellent preventive effect.