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VOLUME 25 , ISSUE 3 ( March, 2024 ) > List of Articles

ORIGINAL RESEARCH

Bichectomy Surgery and EMG Masticatory Muscles Function in Adult Women: A Longitudinal Study

Alice Helena de L Santos Cardoso, Marcelo Palinkas, Nicole B Bettiol, Patrícia S de Lima, Paulo B de Vasconcelos, Samuel P Xavier, Gabriella SG Silva, Thamyres Branco, Isabela H Regalo, Selma Siessere, Simone CH Regalo

Keywords : Bichectomy surgery, Buccal fat removal, Electromyography, Masticatory muscles, Stomatognathic system

Citation Information : Cardoso AH, Palinkas M, Bettiol NB, de Lima PS, de Vasconcelos PB, Xavier SP, Silva GS, Branco T, Regalo IH, Siessere S, Regalo SC. Bichectomy Surgery and EMG Masticatory Muscles Function in Adult Women: A Longitudinal Study. J Contemp Dent Pract 2024; 25 (3):207-212.

DOI: 10.5005/jp-journals-10024-3656

License: CC BY-NC 4.0

Published Online: 19-04-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aim: This longitudinal study aimed to evaluate the electromyographic activity of the masseter and temporal muscles in adult women who underwent buccal fat removal. Materials and methods: The sample consisted of 20 healthy adult women with no temporomandibular dysfunction and normal occlusion, who were assessed before, 30, and 60 days after the surgery. The electromyographic signal of the masseter and temporal muscles was captured through mandibular tasks including rest, protrusion, right and left laterality, and maximum voluntary contraction with and without parafilm. The results obtained were tabulated and the Shapiro-Wilk normality test was performed, which indicated a normal distribution. Statistical analysis was performed using the repeated measures test (p < 0.05). Results: Significant differences were observed between time periods in maximum voluntary contraction for the left masseter muscle (p = 0.006) and in maximum voluntary contraction with parafilm for the right temporal (p = 0.03) and left temporal (p = 0.03) muscles. Conclusion: Bichectomy surgery did not modify the electromyographic activity of the masseter and temporal muscles during the rest task but may have influenced variations in the electromyographic signal during different mandibular tasks after 60 days of surgery, suggesting compensatory adaptations and functional recovery. Clinical significance: Understanding the impact of buccal fat removal surgery on the stomatognathic system function provides insights into postoperative functional recovery and potential compensatory adaptations, guiding clinical management and rehabilitation strategies for patients undergoing such procedures.

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