Pitiphat Waranuch, Savisit Ratchanekorn, Chansamak Nusara, Subarnbhesaj Ajiravudh
Department of Community Dentistry, Faculty of Dentistry, Khon Kaen University, Khon Kaen, Thailand.
Dental Health Division, Samsoong Hospital, Khon Kaen, Thailand.
Pediatr Dent. 2014 Nov-Dec;36(7):478-82.
This study aimed to determine the prevalence of molar incisor hypomineralization (MIH) in Thai children and evaluate the association between MIH and dental caries in the permanent dentition.
A cross-sectional study was conducted among six- to seven-year-old participants of a birth cohort study in Khon Kaen, Thailand. MIH was examined by one calibrated dentist using European Academy of Pediatric Dentistry criteria. The association between MIH and caries was determined by logistic regression at subject level, and generalized estimating equations at tooth level.
Of 484 children who had at least one erupted permanent first molar, the prevalence of MIH was 20 percent, with no difference between genders. Children with MIH had increased odds of having caries in the permanent dentition compared to those without MIH (odds ratio [OR] equals 4.6; 95 percent confidence interval [CI] equals 2.7 to 7.9). MIH molars had approximately 10 times higher odds of developing caries than non-MIH counterparts (OR equals 9.9; 95 percent CI equals 5.7 to 16.9). Caries risk was higher in the upper molars than in the lower molars.
Molar incisor hypomineralization is common and associated with increased risk for dental caries among this group of Thai children.
本研究旨在确定泰国儿童中磨牙切牙矿化不全（MIH）的患病率，并评估MIH与恒牙列龋齿之间的关联。
在泰国孔敬进行的一项出生队列研究中，对6至7岁的参与者进行了横断面研究。由一名经过校准的牙医根据欧洲儿童牙科协会标准检查MIH。在个体水平上通过逻辑回归以及在牙齿水平上通过广义估计方程来确定MIH与龋齿之间的关联。
在484名至少有一颗已萌出的恒牙第一磨牙的儿童中，MIH的患病率为20%，男女之间无差异。与没有MIH的儿童相比，患有MIH的儿童恒牙列患龋齿的几率增加（优势比[OR]等于4.6；95%置信区间[CI]等于2.7至7.9）。MIH磨牙患龋齿的几率比非MIH磨牙高出约10倍（OR等于9.9；95%CI等于5.7至16.9）。上颌磨牙的龋齿风险高于下颌磨牙。
磨牙切牙矿化不全在这群泰国儿童中很常见，并且与龋齿风险增加有关。
