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Eating Disorders And Dentistry
Eating disorders are expressions of a range of weight and food issues that both men and women can experience. They can include a complex combination of both psychological and physical problems.
Different forms of eating disorders exist and all are serious.
The different types of disorders are:
a.) Anorexia Nervosa - a person has the intense fear that fat and weight gain
will occur. They often have drastic weight loss.
b.) Bulimia Nervosa - a person binges and eats an enormous amount of food,
then purges (vomits), through self-induction, the food they have just eaten.
The prevalence of bulimia amongst adolescents is 1 to 3 percent of the
population according to the American Psychiatric Association. Females usually
outnumber males 10 to 1.
This disorder is of most importance to dentists, due to the excessive amount
of enamel wear the person may have. This results from the excessive vomiting,
where the gastric contents, which are highly acidic, erode the enamel
surfaces over time. This leads to thinning of the enamel and eventual chipping of the
teeth.
The most notable areas where tooth structure is lost is on the lingual (or tongue surface)
part of the upper anterior teeth. What parents may notice is shorter than normal incisor
teeth. The teeth may also have color changes, most notably from a whitish color
to a brownish or grayish color. Fillings (amalgam type), may also begin to
appear more prominent on the back teeth due to the enamel wear surrounding
the fillings. People are urged to monitor other signs, some of which include a
marked increase or decrease in weight, not due to any other medical problem,
withdrawn behavior, excessive, compulsive exercising, irritability, and intense
preoccupation with body and weight image.
Other eating disorders exist that may not necessarily fit anorexia or bulimia nervosa
If one suspects that this condition exists, medical consultation is very
important due to the possible life threatening results.
Dentists and hygienists can help diagnose if excessive wear or abnormal oral pathology
exists, especially with the enamel damage that can occur with excessive
vomiting. They can help the patient minimize further oral complications until
further medical and psychological therapy has brought the condition under
control.