Abstract
To highlight the effect of 1,1,1,2 tetrafluoroethane (TFE), a new material for cryosurgery of gingival melanin pigmentation (GMP). Five patients were treated using a TFE-cooled swab and the pre- and post-treatment photographs were compared. Complete keratinization took place in 3-4 weeks after application without any trace of pigmentation. During the follow-up period, no side effects were observed and the improved esthetics were maintained upto 1 year.
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