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Prevalence and mean number of teeth with amalgam and nonamalgam restorations, United States, 2015 through 2018
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5 2023
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Source: J Am Dent Assoc. 154(5):417-426
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Alternative Title:J Am Dent Assoc
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Description:Background.
Amalgam has been used for more than 150 years as a safe and reliable restorative material. The authors described the occurrence of amalgam and nonamalgam restorations in the United States in primary and permanent teeth across age groups and according to sociodemographic characteristics.
Methods.
The authors used clinical examination data from the National Health and Nutrition Examination Survey 2015–2018 for participants 2 years and older (n = 17,040). The authors estimated the prevalence and mean number of amalgam and nonamalgam restorations in primary and permanent teeth according to age groups (2–5 years, 6–11 years, 12–15 years, 16–19 years, 20–39 years, 40–59 years, 60–79 years, and ≥ 80 years), race and ethnicity, federal poverty guideline, education, and pregnancy status.
Results.
The prevalence of amalgam restorations ranged from 4% through 69%. Overall, amalgam restorations were more prevalent in children and adolescents from racial and ethnic minority groups and families at higher poverty levels and with lower education. The mean number of teeth with nonamalgam restorations was higher than those with amalgam restorations in primary teeth of children aged 6 through 11 years, permanent teeth of those 12 through 15 years and 20–39 years, and women aged 20 through 49 years, regardless of pregnancy status. The mean number of amalgam restorations was higher than that for nonamalgam restorations in older age groups.
Conclusions.
Nonamalgam restorations was the most common in the primary teeth of children older than 5 years and in the permanent teeth of adults younger than 40 years. Amalgam restorations were more common in older adults. Amalgam and nonamalgam restorations were equally common in children younger than 5 years.
Practical Implications.
The study findings suggest a shift from amalgam to alternative restorative materials in the United States.
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Pubmed ID:37105669
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Pubmed Central ID:PMC10985832
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Volume:154
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Issue:5
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