Effects of a botulinum toxin type A injection on the masseter muscle: An animal model study

Effects of a botulinum toxin type A injection on the masseter muscle: An animal model study

Background The aim of this study was to investigate the effect of a botulinum toxin type A (BTX-A) injection in the masseter muscle using electromyography (EMG) in an animal model. Methods Ten male adult (>3 months of age) New Zealand white rabbits were used. Muscle activity was continuously reco...

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Veröffentlicht in:Maxillofacial plastic and reconstructive surgery 2015, 37(3), , pp.1-5
Hauptverfasser: Park, Si-Yeok, Park, Young-Wook, Ji, Young-Jun, Park, Sung-Wook, Kim, Seong-Gon
Format: Artikel
Sprache:eng
Schlagworte:
Dentistry
Medicine
Oral and Maxillofacial Surgery
Plastic Surgery
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Zusammenfassung:Background The aim of this study was to investigate the effect of a botulinum toxin type A (BTX-A) injection in the masseter muscle using electromyography (EMG) in an animal model. Methods Ten male adult (>3 months of age) New Zealand white rabbits were used. Muscle activity was continuously recorded from 8 hours before to 8 hours after BTX-A injection. The rabbits received unilateral BTX-A injections of either 5 units (group 1, n = 5) or 20 units (group 2, n = 5). Results The masseter muscle activity of the rabbits was significantly reduced immediately after BTX-A injection (P 
ISSN:2288-8101
2288-8586
2288-8586
DOI:10.1186/s40902-015-0010-8