Correction of Gummy Smile by Surgical Lip Repositioning with Myotomy versus Botox Injection Technique | ||||
| Al-Azhar Journal of Dentistry | ||||
| Volume 2023, Issue 1, January 2023 | ||||
| DOI: 10.58675/2974-4164.1481 | ||||
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| Authors | ||||
| Karima Ali1; Naglaa El-Kilanni2; Mai Attia3 | ||||
| 1Master Degree in periodontology Cairo University, Cairo, Egypt. | ||||
| 2Professor and Head of Oral Medicine, Periodontology Department Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt. | ||||
| 3Professor of Oral Medicine, Periodontology, Faculty of Dental Medicine for Girls, Al-Azhar University, Faculty of Dentistry, Misr International University, Cairo, Egypt. | ||||
| Abstract | ||||
| Purpose: This study aimed to compare surgical lip repositioning with myotomy and Botox injection in treatment of patients with excessive gingival display. Subjects and Methods: A sample of 10 female patients with age range (19-42) yearold with excessive gingival display greater than 2 mm were randomly allocated into 2 groups, Group I: patients were treated with surgical lip repositioning with myotomy. Group II: patients were treated with Botox injection. Treatment changes were evaluated for each group and compared between groups. Data were collected and analyzed using paired t-test for each group and student t-test to compare between groups at baseline, 3, 6 and 9 months. Results: Results of intragroup comparisons of gingival display revealed a significant difference between values at 3, 6 and 9 month intervals (p < 0.001). When compared at baseline, 6 and 9 months time points, the results at 3 months were better. Both groups showed deterioration of the outcomes obtained over time. Botox group values in gingival display had returned to base line at 9 months in contrast to surgical repositioning suggesting that the surgical lip repositioning combined with myotomy resulted in a more stable outcome. The amount of post-operative pain measured in Botox injection group (0.60±0.89) was significantly lower than that of surgical lip repositioning group (5.40±1.14) (p < 0.001). Conclusion: surgical lip repositioning with myotomy and Botox injection give satisfactory results in gummy smile patients in terms of reducing gingival display. However, surgical lip repositioning has more stable results for more than 9 months. | ||||
| Keywords | ||||
| gummy smile; Lip repositioning; Botox | ||||
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