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Extrinsic iron staining in infant teeth from iron-fortified formula and rice cereal
Kim G Adcock1, Shirley M Hogan
1Department of Pharmacy Practice, University of Mississippi School of Pharmacy Jackson, Mississippi.
Insights
Excessive dietary iron can cause extrinsic tooth staining in infants. Reducing iron intake effectively resolved the blackening of the infant's teeth.
Area of Science:
- Pediatric Dentistry
- Nutritional Science
- Dental Health
Background:
- Extrinsic tooth staining is a known complication of excessive iron intake.
- Iron is commonly supplemented in infant formulas and cereals for nutritional purposes.
Observation:
- A 7-month-old infant presented with significant black extrinsic tooth staining.
- The staining was associated with the consumption of iron-fortified formula and rice cereal, used as a thickener for reflux.
- The infant's mother noted the "blackening" after several months of administration.
Findings:
- The extrinsic tooth staining was directly linked to inadvertent overconsumption of dietary iron.
- Manual scraping by a pediatric dentist successfully removed the stains.
- Subsequent reduction in dietary iron intake prevented recurrence of the staining.
Implications:
- This case highlights the importance of monitoring iron intake in infants, even from fortified foods.
- Clinicians should consider excessive dietary iron as a potential cause of extrinsic tooth staining in infants.
- Dietary modifications can effectively manage and prevent iron-induced extrinsic tooth staining in pediatric patients.
Abstract:
Extrinsic staining of teeth due to excessive iron intake has been reported previously in the literature. We describe a 7-month-old infant who presented with extrinsic teeth staining due to inadvertent over consumption of dietary iron. The infant was fed iron-fortified formula and rice cereal. Rice cereal, fortified with iron, was being used as part of a normal infant diet and as a thickening agent when added to the formula for treatment of gastroesophageal reflux. After several months of administration, "blackening" of the infant's teeth was noted by the mother. The stain was removed by the pediatric dentist who simply scraped the affected teeth. No further staining occurred after the amount of dietary iron was reduced.
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