Pathology · single question
A patient presents with extensive erosion on the LINGUAL surfaces of the maxillary teeth. What is the MOST likely diagnosis?
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Correct answer: B. Bulimia nervosa (self-induced vomiting)
Erosion on the lingual surfaces of maxillary teeth (perimolysis) is pathognomonic of Bulimia Nervosa (purging type). During purging, acidic gastric contents contact the lingual/palatal surfaces of the upper anterior and posterior teeth. The patient-directed vomiting trajectory explains the specific lingual maxillary distribution. GERD erosion tends to affect posterior teeth broadly. Citrus consumption causes generalized erosion.