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Tooth surface floss loss: unusual interproximal and lingual cervical lesions as a result of bizarre dental flossing.

There are many reported cases of cervical abrasion/erosion cavities in the literature with various theories offered in support of their pathogenesis. The vast majority of these cases involve the labial cervical regions of the affected teeth. This case report describes an unusual dental presentation of severe lingual cervical and interproximal lesions predominantly affecting the upper and lower anterior and premolar teeth. The differential diagnosis is presented, along with the likely cause of the lesions: in this case, a bizarre oral hygiene technique. The proposed treatment plan is outlined and the problems associated with restoring such cavities are highlighted.