巴西纳塔尔臼齿嵌合体矿化不足的发病率和特征

IF 0.6 Q4 DENTISTRY, ORAL SURGERY & MEDICINE Pediatric Dental Journal Pub Date : 2023-12-18 DOI:10.1016/j.pdj.2023.12.003

Layanny Silva Soares , Eloisa Cesario Fernandes , Patrícia Bittencourt Santos

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摘要

方法对 715 名 8-17 岁的儿童进行了横断面研究。根据欧洲儿童牙科学院（EAPD）的标准，使用口内照片对MIH进行诊断。数据采用α = 0.05的Chi Square和Pearson相关性检验进行分析。以黄色和棕色分界不透明为代表的轻度缺损占 MIH 病变总数的 83.5%，随着年龄的增长，MIH 病变的严重程度显著增加。每名儿童受MIH影响的第一磨牙平均为2.26颗，36名儿童（32.14%）至少有一颗门牙受影响。随着受影响磨牙数量的增加，出现不透明的门牙数量也明显增加。上颌左侧第一磨牙是受影响最严重的牙齿，而上颌中切牙则是最常受MIH影响的前牙。

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The prevalence and characteristics of molar-incisor hypomineralisation in Natal, Brazil

Objectives

To determine the prevalence and presentation patterns of molar-incisor hypomineralisation (MIH) in Brazilian children.

Methods

A cross-sectional study was carried out with 715 individuals aged 8–17 years. MIH was diagnosed according to European Academy of Paediatric Dentistry (EAPD) criteria, using intraoral photographs. Data were analysed using Chi Square and Pearson's Correlation tests at α = 0.05.

Results

The prevalence of MIH was 15.66 %. Mild defects represented by demarcated yellow and brown opacities comprised 83.5 % of the total MIH lesions and the severity of MIH lesions increased significantly as age increased. The average number of first molars affected by MIH per child was 2.26, and 36 children (32.14 %) had at least one affected incisor. With the increase of affected molars, the number of incisors with opacities showed an obvious increasing. The maxillary left first molar was the most affected tooth, and the maxillary central incisors were the anterior teeth most frequently affected by MIH.