Scholarlink

Background <p>Molar incisor hypomineralisation (MIH) is a developmental defect of decreased enamel mineral density, involving at least one first permanent molar and frequently, permanent incisors. The defects are demarcated and opaque, varying from white, yellow, and/or brown lesions to having post-eruptive enamel breakdown, with various clinical consequences. Mexican population studies have reported prevalence between 6.8 and 37.7%.</p> Aim <p>To determine the prevalence, distribution and associated factors of MIH in Mexican schoolchildren aged 6–13&#xa0;years from Pachuca, Mexico.</p> Materials and methods <p>A cross-sectional study including 714 participants, selected randomly from nine public schools in Pachuca, Mexico. A dentist trained and standardised in the MIH-criteria of the European Academy of Paediatric Dentistry performed the clinical oral examinations, and questionnaires were developed to gather information regarding prenatal and perinatal health of the mother and child, as well as family sociodemographic and socioeconomic data.</p> Results <p>The prevalence of MIH was 12.3% (95%CI 9.5–14.5%). The average age of schoolchildren with MIH was 9.1 ± 1.7&#xa0;years, and without MIH was 8.7 ± 1.8&#xa0;years; the mean number of affected first permanent molars was 2.4 ± 1.1 and 1.1 ± 1.4 for incisors. The factors statistically associated, age (OR = 2.46), fathers’ education (OR = 0.53), familial structure (OR = 4.69) and presence or absence of siblings (OR = 0.38).</p> Conclusions <p>White demarcated opacities were the most prevalent type of defect, the severity of the lesions increased with the number of affected teeth. The factors associated with socioeconomic position were related to an increase in prevalence and severity.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Prevalence, defect characteristics and risk factors associated with molar incisor hypomineralisation in Mexican schoolchildren: a cross-sectional study

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月16日

查看全文
  • M. Rivera,
  • L. Karakowsky,
  • C. E. Medina-Solís,
  • M. de L. Márquez-Corona,
  • D. J. Manton

摘要

Background

Molar incisor hypomineralisation (MIH) is a developmental defect of decreased enamel mineral density, involving at least one first permanent molar and frequently, permanent incisors. The defects are demarcated and opaque, varying from white, yellow, and/or brown lesions to having post-eruptive enamel breakdown, with various clinical consequences. Mexican population studies have reported prevalence between 6.8 and 37.7%.

Aim

To determine the prevalence, distribution and associated factors of MIH in Mexican schoolchildren aged 6–13 years from Pachuca, Mexico.

Materials and methods

A cross-sectional study including 714 participants, selected randomly from nine public schools in Pachuca, Mexico. A dentist trained and standardised in the MIH-criteria of the European Academy of Paediatric Dentistry performed the clinical oral examinations, and questionnaires were developed to gather information regarding prenatal and perinatal health of the mother and child, as well as family sociodemographic and socioeconomic data.

Results

The prevalence of MIH was 12.3% (95%CI 9.5–14.5%). The average age of schoolchildren with MIH was 9.1 ± 1.7 years, and without MIH was 8.7 ± 1.8 years; the mean number of affected first permanent molars was 2.4 ± 1.1 and 1.1 ± 1.4 for incisors. The factors statistically associated, age (OR = 2.46), fathers’ education (OR = 0.53), familial structure (OR = 4.69) and presence or absence of siblings (OR = 0.38).

Conclusions

White demarcated opacities were the most prevalent type of defect, the severity of the lesions increased with the number of affected teeth. The factors associated with socioeconomic position were related to an increase in prevalence and severity.