Comparative Evaluation of Gingival Depigmentation using Tetrafluoroethane Cryosurgery and Gingival Abrasion Technique: Two Years Follow Up

A comparative evaluation of the gingival depigmentation by using Tetrafluoroethane cryosurgery and the gingival abrasion technique - 2 years of follow up. Ten systemically healthy patients who were aged 18 to 36 years were selected for the study. Tetrafluoroethane was used for the cryosurgical depig...

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Published inJournal of clinical and diagnostic research Vol. 7; no. 2; pp. 389 - 394
Main Authors Kumar, Santhosh, Bhat, G Subraya, Bhat, K Mahalinga
Format Journal Article
LanguageEnglish
Published India JCDR Research and Publications (P) Limited 01.02.2013
JCDR Research and Publications Private Limited
Subjects
aesthetics
cryosurgery
gingiva
gingival abrasion
melanin
Original
pigmentation
tetrafluoroethane
Cryosurgery
Aesthetics
Tetrafluoroethane
Gingiva
Gingival abrasion
Pigmentation
Melanin
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Summary:A comparative evaluation of the gingival depigmentation by using Tetrafluoroethane cryosurgery and the gingival abrasion technique - 2 years of follow up. Ten systemically healthy patients who were aged 18 to 36 years were selected for the study. Tetrafluoroethane was used for the cryosurgical depigmentation and the gingival abrasion technique used a coarse flame shaped bur. The presence or absence of pigmentation was tabulated, based on the GPI (Gingival Pigmentation Index). For the statistical analysis, Freidman's test was used. The keratinization was completed within a week after the application of the cryogen and about 10 days after the gingival abrasion technique was done. The statistical analysis which was done after 90th, 180th days and 2 years. The p-value which was obtained (p<.001) showed the superiority of cryosurgery over the gingival abrasion. During the follow up period, no side effects were seen for both the techniques and the improved aesthetics was maintained upto 2 years. The use of cryogen Tetrafluoroethane is easy, practical and inexpensive as compared to gingival abrasion, due to its high rate of recurrence. Hence, it is more acceptable to the patients and the operator. Further studies are needed to assess the long term effectiveness of the cryosurgical method of depigmentation.
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ISSN:2249-782X
0973-709X
DOI:10.7860/jcdr/2013/4454.2779