Gambetta-Tessini K, Mariño R, Ghanim A, Calache H, Manton D J
Melbourne Dental School, The University of Melbourne, Parkville, Victoria, Australia.
Faculty of Health Sciences, Universidad Autónoma de Chile, Talca, Chile.
Aust Dent J. 2018 Jun 7. doi: 10.1111/adj.12626.
Developmental hypomineralized lesions of enamel (DHL) may represent a significant caries-risk factor. The aim of this study was to determine the association between carious lesion severity and DHL in 6- to 12-year-old schoolchildren from Melbourne, Australia.
The sample was derived from randomly selected schools in inner Melbourne. A full dental examination was performed at the school. Socio-demographic data, caries experience (DMFT/dmft/ICDAS II) and the consequences of untreated carious lesions (PUFA/pufa) were measured. DHL, molar incisor hypomineralization (MIH) and hypomineralized second primary molar (HSPM) presence were assessed using the European Academy of Paediatric Dentistry (EAPD) criteria.
Of the children examined (n = 327), 26.9% had DHL. The prevalence of MIH and HSPM was 14.7% and 8%, respectively. Almost 20% of children had severe carious lesions (ICDAS 5 & 6) in at least one permanent or primary tooth. Ordinal regression analyses indicated that DHL (OR = 2.17; 95% CI: 1.35-3.49) and being born overseas (OR = 2.59, 95% CI: 1.66-4.06) increased the likelihood of severe carious lesions.
One of four children had DHL. DHL-affected children had an increased likelihood of presenting untreated severe carious lesions compared with DHL-free children.
牙釉质发育性矿化不全病变（DHL）可能是一个重要的龋齿风险因素。本研究的目的是确定澳大利亚墨尔本6至12岁学童龋齿病变严重程度与DHL之间的关联。
样本来自墨尔本内城区随机选择的学校。在学校进行了全面的牙科检查。测量了社会人口统计学数据、龋齿经历（DMFT/dmft/ICDAS II）以及未治疗龋齿病变的后果（PUFA/pufa）。使用欧洲儿童牙科学会（EAPD）标准评估DHL、磨牙切牙矿化不全（MIH）和第二乳磨牙矿化不全（HSPM）的存在情况。
在接受检查的儿童（n = 327）中，26.9%患有DHL。MIH和HSPM的患病率分别为14.7%和8%。近20%的儿童至少一颗恒牙或乳牙有严重龋齿病变（ICDAS 5和6）。有序回归分析表明，DHL（OR = 2.17；95% CI：1.35 - 3.49）和出生在海外（OR = 2.59，95% CI：1.66 - 4.06）增加了严重龋齿病变的可能性。
四分之一的儿童患有DHL。与未患DHL的儿童相比，受DHL影响的儿童出现未治疗的严重龋齿病变的可能性增加。
