Management of Gummy Smile by Surgical and NonSurgical Techniques: A Clinical Comparative Study

Volume 6 , Issue 2 , December 2019 , Pages 59-68

Authors

Blend A. Omer 1 ; Chenar A. Mohammad 2

1 MSc Student , College of Dentistry, Hawler Medical University, Erbil, Iraq.

2 Department of Periodontics, College of Dentistry, Hawler Medical University, Erbil, Iraq.

DOI logo 10.17656/sdj.10098

Keywords

Abstract

Objective: Gummy smile (GS) also referred to an excessive gingival display (EGD). it’s an aesthetic disorder that can be managed by
a variety of procedures include; modified lip reposition surgery (MLRS) and botulinum toxin type-A injection (BTX-A). This study
aimed to evaluate and compare the effect of treatment of GS by surgical technique (MLRS) and non-surgical technique (BTX-A
injection) 1 and 4 months after treatment.
Methods: The study was conducted from November 2018 to November 2019. Forty adult patients aged 18-35 years with a EGD ≥ 4
mm caused by soft tissue disorders were recruited. Patients divided into two groups; Group 1 included 20 patients treated by MLRS
and Group 2 (20 patients) treated by BTX-A injection. The amount of gingival display (GD) was evaluated after 1 and 4 months of the
treatments by Autodesk AutoCAD computer program. ANOVA test used to compare changes in GD before and following treatments.
Results: The study showed a significant reduction in the amount of GD in both groups after 1 and 4 months of the treatment (p value
< 0.05). Non-significant differences between both groups in 1 and 4 months of follow up (p value > 0.05).
Conclusions: Both MLRS and BTX-A injection technique were effective treatment modalities for patients suffering from GS.

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  • Published at1 December 2019

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