Effect of Botulinum Toxin Type A (Botox) For Neuromuscular Correction of Excessive Gingival Display on Smiling
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 10
Abstract
The display of excessive gingival tissue in the maxilla upon smiling has been called as“gummy smile”. The etiology of gummy smile may be skeletal, gingival, muscular iatrogenic. Many surgical procedures have been described that are invasive and had a recurrence rate. The aim of the study was to reduce the gingival display using botulinium toxin ,in selected cases. Ten subjects from both the sexes with age group of16- 27 years, with gummy smile more than 5mm of gingival exposure on smiling, due to hyperactivity of elevator muscles. Botulinium toxin type-A doseage of 1.25 U per muscle site per side was selected as a baseline at the start of the study. Under sterile conditions, 1.25 U per side was injected in both the right and left levator labii superioris and levator labii superioris alaeque nasi muscles (LLS), and an additional 1.25 U per side at the overlap areas of the levator labii superioris and zygomaticus. The effect of botox on gingival display was measured at the interval of 2weeks, 4 weeks, 8weeks, 16 weeks, and 24 weeks. Gingival display decreased around 5.1 ± 0.2 mm in all ten subjects.Botox injection is a non-invasive method for treatment of gummy smile. Gingival display reduced to 5.1± 0.2 mm on administration of 2.5 units on either side.
Authors and Affiliations
Dr. Faisal Arshad, Dr. Khadeer Riyaz
Keywords
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- EP ID EP402392
- DOI 10.9790/0853-1710086771.
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