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Related Experiment Video

Updated: Jul 13, 2025

Ultrasound-guided Botulinum Toxin-A Injections: A Method of Treating Sialorrhea

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Published on: November 9, 2016

Velopharyngeal Insufficiency After Botox Injection for Persistent Bruxism.

Nuh Evin¹, Melih K Sifil², Turan M Aghazada³

¹Department of Plastic, Reconstructive and Aesthetic Surgery, Bezmialem Vakif University.

The Journal of Craniofacial Surgery

|October 11, 2023

Summary

Botulinum toxin type-A (BTX-A) injections show promise for bruxism and TMJ disorders. Careful technique and monitoring are crucial to prevent complications like velopharyngeal insufficiency.

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Area of Science:

Neurology
Oral and Maxillofacial Surgery

Background:

Botulinum toxin type-A (BTX-A) is increasingly used for bruxism and temporomandibular joint (TMJ) disorders.
Optimal BTX-A dosage, injection techniques, and treatment intervals require further investigation for maximizing efficacy.
Potential complications necessitate a thorough understanding of safety protocols.

Observation:

This case study details velopharyngeal insufficiency developing in a patient with chronic bruxism post-BTX-A injection.
Ultrasound guidance and electromyography (EMG) can enhance injection precision and reduce complication risks.
Patient education on medication and post-treatment care is vital for symptom management.

Findings:

BTX-A injections for bruxism and TMJ disorders require precise administration to mitigate risks.
Velopharyngeal insufficiency is a potential, albeit rare, complication following BTX-A treatment.
Adherence to post-treatment instructions and regular follow-ups are essential for patient safety.

Implications:

Further research is needed to establish definitive safety and efficacy of BTX-A for bruxism and TMJ disorders.
Precise injection techniques, possibly with imaging guidance, are recommended.
Comprehensive patient management, including mental health support if needed, is important.