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Updated: Jan 27, 2026

Correlative Confocal and 3D Electron Microscopy of a Specific Sensory Cell
Published on: July 19, 2015
Surface-specific Correlation Between Extrinsic Stains and Early Childhood Caries
Extrinsic stains are present in 6.2% of young children. While not significantly increasing early childhood caries (ECC) risk, these stains show distinct caries distribution patterns, particularly in fissures.
Area of Science:
- Pediatric Dentistry
- Oral Health Research
- Dental Caries Epidemiology
Background:
- Extrinsic stains are common in young children.
- Early childhood caries (ECC) is a significant public health concern.
- Understanding factors associated with ECC is crucial for prevention.
Purpose of the Study:
- To determine the prevalence of extrinsic stains in preschool children.
- To investigate the correlation between extrinsic stains and ECC.
- To compare caries distribution in children with and without extrinsic stains.
Main Methods:
- Cross-sectional study of 1,486 children aged 0-3 years.
- Standardized scoring of extrinsic stains and ECC by calibrated examiners.
- Logistic regression and chi-squared tests for correlation and distribution analysis.
Main Results:
- Prevalence of extrinsic stains was 6.2%.
- A slight, non-significant increase in ECC likelihood (OR=1.132) was observed in children with stains.
- Significant differences in fissure caries and combined smooth/fissure caries were noted between groups.
Conclusions:
- ECC exhibits surface-specific variations related to extrinsic stains.
- Further research is needed to elucidate the complex interactions of these factors on oral health.
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