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Environmental causes of enamel defects
A H Brook1, J M Fearne, J M Smith
1Department of Paediatric Dentistry, St Bartholomew's, London, UK.
Ciba Foundation Symposium
|January 1, 1997
Summary
A significant number of children experience enamel defects, with 68% in a London study affected. Standardized methods are crucial for understanding the environmental and genetic causes of these developmental dental issues.
Area of Science:
- Dental Research
- Developmental Biology
- Public Health
Background:
- Numerous environmental and genetic factors contribute to enamel defects, but research often relies on individual case studies.
- Standardizing clinical diagnosis and terminology is essential for systematic etiological investigations.
- The Fédération Dentaire Internationale Developmental Defects of Enamel Index provides a standardized framework for enamel defect assessment.
Observation:
- Prevalence studies are vital for establishing baselines in enamel defect etiology research.
- A London study found 68% of 1518 schoolchildren had enamel defects, with 14.6% exhibiting hypoplasia (missing enamel).
- Historical comparison revealed 37% hypoplasia in Romano-Britons, suggesting population-specific environmental and genetic influences.
Findings:
- Long-term studies show low birth weight children with neonatal health issues have significantly higher rates of enamel defects (P < 0.001).
- Standardized criteria in prevalence studies help identify general and specific etiological factors.
- Investigating specific groups and conditions reveals the interplay of genetic and environmental effects on enamel development.
Implications:
- Standardized assessment facilitates comparative research, highlighting areas needing further investigation.
- Understanding prevalence provides a baseline for etiological studies on enamel defects.
- Identifying specific risk factors, like neonatal health issues in low birth weight infants, can inform targeted interventions.