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.

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