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Papers of the Week

2022 Dec

J Clin Exp Dent



Histological and mast cells evaluation after application of botulinum toxin type a in masseter muscles of rats.


Blas R, Souza A-A, Silva R, Napimoga M-H, Napimoga J-T-C, de Araújo V-C, Soares A-B
J Clin Exp Dent. 2022 Dec; 14(12):e972-e974.
PMID: 36601240.


Botulinum Toxin Type A (BTX-A) has been largely used to reduce muscle strength of masseter and temporal muscles by producing a temporary weakening of their activity. This study aimed to evaluate the histological changes and the number of mast cells after the injection of BTX-A.