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Botox for Clenching/Bruxism treatment

Wednesday, October 13, 2010

Botox injections are well known for their facial cosmetic benefits as well as the relief of certain medical conditions such as excessive sweating. Botox works primarily by temporarily decreasing or paralyzing the muscles into which it is injected. Because of the ability to lessen muscle contractions, it is logical to assume that Botox will work for many other medical conditions in which excessive or too strong muscle contractions are the source of pain and dysfunction.

Jaw clenching and bruxism are common conditions that cause facial pain and excessive wear on one's teeth. Typical treatments include nightguard to protect the teeth and medications that attempt to decrease inflammation of the muscle or cause sedation in attempt to limit the strength of the muscle. Neither approach really addresses the source of the problem....excessive muscle activity and spasticity.

Botox would seem to be a very logical approach to the treatment of bruxism. It can be injected precisely into the sorest part of the muscle, weakening the most spastic part of the very large masseter muscle without affecting the ability to chew. Breaking the spasm of a muscle often only requires stopping the origin or focal area of contraction and not the whole muscle. Even with only partial relief of muscle tension, pain is less and less clenching occurs.

This has been precisely my experience with the treatment of clenching and associated TMJ disorders. The key to a successful outcome is to be able to locate by feel the source of muscle spasm. Usually this is possible as the patient knows where the sorest part of the jaw muscle is. Three to five injections are done through the outer skin into the underlying masseter or temporalis muscle. It usually takes about 25 to 30 units per affected side as a starting dose. It may eventually take a higher dose to get a more complete relief but this starting dose should at least get some relief. If no relief is obtained at this dose, this would suggest that a higher dose is unlikely to be effective either. Like all Botox injections, it takes about a week to see its effect, so patients have to be patient.

For a complimentary consultation, email us at: info@ariadental.com, http://www.ariadental.com/contact.php or call 604-568-8686.

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