Tooth wear as a result of pica

Abstract

This paper reports a case of tooth surface loss as a result of the eating disorder pica. Background to the condition is discussed and the clinical findings and treatment of the patient outlined. The case illustrates a rare cause of wear which should be considered when patients present with an unusual pattern of tooth surface loss.

PICA with microcytic hypochromic anaemia and hookworm infestation: A case report

“…8 A case of pica with tooth wear has been reported. 9 Nutritional deficiency as aetiological hypotheses of pica are absent, deficiencies of iron, calcium, zinc and other nutrients (thiamine, niacin, vitamins B and C) have been implicated 4,5 in some children with malnutrition.…”

“…Amongst these, iron deficiency anaemia 9,10 has been significantly associated with pica. Whether the iron deficiency resulted in the eating of clay or the inhibition of iron absorption caused by the ingestion of clay produced the iron deficiency is not known.…”

Access to special care dentistry, part 6. Special care dentistry services for young people

“…A number of cases have been reported in the literature. [31][32][33] The chewing of abrasive items leads to cupping and grooving of dentine and sharp enamel rims, in contrast to the smooth enamel seen in erosion. Also the wear facets do not match in the inter cuspal position, as in attrition.…”

A study to access the hemoglobin level and sociodemographic profile of underfive children having Pica

“…When associated with iron deficiency, it is believed to be a symptom of the deficiency rather than its cause [9]. Occasionally, pica practices cause other nutritional deficiencies such as hypokalemia (clay and Kayexalate ingestion [10]).…”