Cryosurgery by tetrafluoroethane: An answer to black gums, Manoj Kumar, Prasanta Bandyopadhyay, Debabrata Kundu, Lora Mishra Journal of Indian Society of Periodontology 2013 17(2):257-260 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. http://bit.ly/13HFCnD

Cryosurgery by tetrafluoroethane: An answer to black gums, Manoj Kumar, Prasanta Bandyopadhyay, Debabrata Kundu, Lora Mishra Journal of Indian Society of Periodontology 2013 17(2):257-260 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. http://bit.ly/13HFCnD , via Dental Teach " Daily Dental Info " http://www.facebook.com/photo.php?fbid=611607185530501&set=a.611606885530531.1073741865.110664842291407&type=1