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Related Experiment Videos

Trends in total caries experience: permanent and primary teeth.

L J Brown1, T P Wall, V Lazar

  • 1American Dental Association, Health Policy Resources Center, Chicago, Ill. 60611, USA.

Journal of the American Dental Association (1939)
|February 19, 2000
PubMed
Summary

Childhood caries (cavities) have significantly decreased in the U.S. since the 1970s. This trend indicates a shift in dental care towards prevention and maintaining healthy teeth.

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Area of Science:

  • Pediatric Dentistry
  • Dental Public Health
  • Epidemiology

Background:

  • This study examines recent trends in dental caries prevalence among U.S. children.
  • It is the final article in a three-part series on childhood caries status.

Purpose of the Study:

  • To analyze changes in the total number of carious teeth (treated and untreated) in children and adolescents.
  • To compare caries data from two distinct National Health and Nutrition Examination Surveys (NHANES).

Main Methods:

  • Analysis of NHANES I and NHANES III data.
  • Focus on children aged 6-18 years for permanent teeth and 2-10 years for primary teeth.
  • Inclusion of both treated and untreated carious teeth in the analysis.

Main Results:

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  • A 57.2% decrease in carious permanent teeth among 6-18 year olds (from 4.44 to 1.90).
  • A 39.7% decrease in carious primary teeth among 2-10 year olds (from 2.29 to 1.38).

Conclusions:

  • Substantial decline in both permanent and primary carious teeth in U.S. children since the 1970s.
  • Effective caries prevention strategies have led to this reduction.
  • Future dental practice will emphasize maintaining healthy dentition over restorative treatments.