目的:检测低龄儿童龋(ECC)患儿及其父母的龋活性,并分析其相关的影响因素.方法:选取6岁以下ECC患儿78名,及其父母共234名作为研究对象,采用Cariostat法检测其龋活性,并通过检查ECC患儿及其父母的龋均(dmft/DMFT),分析ECC患儿与其父母龋活性的相关性;通过问卷调查,分析影响ECC患儿龋活性的影响因素.结果:①78名ECC患儿的龋活性值与其母亲的龋活性值呈正相关(rs＝0.350, P＜0.05);②ECC患儿的dmft与其父、母亲的DMFT均呈正相关(rs＝0.274,rs＝0.311,P＜0.05);③低龋活性组与高龋活性组ECC患儿喂养方式之间有显著性差异(P＜0.05).结论:可以通过检测母亲的龋活性及患龋情况预测其孩子的患龋情况.完全母乳喂养是ECC患儿高龋活性的易感因素.%AIM:To investigate the relationship of early childhood caries(ECC)with the caries activity of corresponding parents by Cariostat method. METHODS:78 children aged 6 years or younger with ECC and the corre-sponding parents (234 subjects)were included in the study. The caries activity of the subjects was examined by Cari-ostat method,the correlation of dmft or DMFT was analyzed;meanwhile the relative factors were investigated and ana-lyzed. RESULTS:①The correlation coefficient of ECC activity test score and the corresponding morthers'caries activ-ity test score was rs＝0.350,P＜0.05. ②The correlation cocefficient of ECC patients'dmft and the corresponding morthers'DMFT was rs＝0.311 ,P＜0.05. The correlation coefficient of ECC patients'dmft and the corresponding fa-thers'DMFT was rs＝0.274 ,P＜0.05. ③In high caries activity group,the proportion of breast-feeding ECC pa-tients was higher than that of other feeding manners of ECC patients. There was a significant difference in feeding man-ners between the low caries activity test and high caries activity test groups (P＜0.05). CONCLUSION:It might be possible in clinic to forecast the occurrence of ECC by testing morthers'caries activity and the index of DMFT to prevent the occurrence of pediatric dental caries. Breast-feeding is a risk factor of high caries activity of ECC patients.
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