早产和足月产儿童乳牙列中的牙釉质缺陷
Enamel defects in the primary dentition of preterm and full-term children.
作者信息
Gravina D B L, Cruvinel V R N, Azevedo T D P L, Toledo O A, Bezerra A C B
机构信息
Department of Pediatric Dentistry, School of Dentistry, Catholic University of Brasilia, Brazil.
出版信息
J Clin Pediatr Dent. 2013 Summer;37(4):391-5. doi: 10.17796/jcpd.37.4.8q77717841781527.
AIM
This study compared enamel defects in children born prematurely and at term.
METHOD
96 children born at term (G1), and with 96 children born prematurely (G2) were studied.
RESULTS
A higher prevalence of enamel defects was found in the premature group, with a predominance of hypoplasia. In G1, 64 teeth displayed enamel defects (51 opacities and 13 hypoplasias). In G2, 110 defective teeth were found, (29 opacities and 81 hypoplasias). A significant correlation was found between very low birth weight (VLBW) and the presence of these defects (p < or = 0.001). The teeth most affected were the incisors, canines and molars.
CONCLUSION
Prematurity, in conjunction with other factors, can predispose children to enamel defects.
目的
本研究比较了早产儿和足月儿的牙釉质缺陷情况。
方法
对96名足月儿（G1组）和96名早产儿（G2组）进行了研究。
结果
早产组牙釉质缺陷的患病率更高，以发育不全为主。在G1组中，64颗牙齿出现牙釉质缺陷（51颗混浊和13颗发育不全）。在G2组中，发现110颗有缺陷的牙齿（29颗混浊和81颗发育不全）。极低出生体重（VLBW）与这些缺陷的存在之间存在显著相关性（p≤0.001）。受影响最严重的牙齿是切牙、尖牙和磨牙。
结论
早产与其他因素共同作用，可能使儿童易患牙釉质缺陷。
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