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Updated: Jul 21, 2025

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea
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Bruxism and Botulinum Injection: Challenges and Insights
Giuseppina Malcangi1, Assunta Patano1, Carmela Pezzolla1
1Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", 70121 Bari, Italy.
Abstract:
Botulinum toxin (BTA) is a bacterial-derived extract that can inhibit muscle contraction, acting directly on the absorption of acetylcholine. Thanks to this property, botulinum has been used in aesthetic and general medicine for several years. Nowadays, the use of botulinum toxin is being deepened to address the problem of bruxism. In this scoping review, the results of the studies in the literature of the last 10 years were analyzed. Indeed, 12 reports (found on PubMed, Web of Science, and Scopus, entering the keywords "BRUXISM" and "BOTULINUM TOXIN") were deemed eligible for inclusion in this review. In the studies reviewed, BTA was injected into different muscle groups: masseters, masseter and temporalis or masseter, temporalis, and medial pterygoid. Botulinum toxin injection is a viable therapeutic solution, especially in patients with poor compliance or without improvement in conventional treatment.
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