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Inicio Rehabilitación Tratamiento del bruxismo con toxina botulínica
Journal Information
Vol. 35. Issue 4.
Pages 253-255 (January 2001)
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Vol. 35. Issue 4.
Pages 253-255 (January 2001)
Tratamiento del bruxismo con toxina botulínica
Treatment of bruxism with botulinim toxin
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R. Palazón García*, I. Berrocal Sánchez, J. Cabañas Elías
Servicio de Rehabilitación. Hospital San Pedro de Alcántara. Cáceres.
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Resumen

El bruxismo, o rechinamiento rítmico de dientes, suele ser considerado una parasomnia, pero también puede encontrarse como síntoma de liberación piramidal tras accidente cerebrovascular que cursa con síndrome de cautiverio.

Se presenta el caso de una mujer de 50 años, que sufrió ictus vertebrobasilar que cursó con coma y tetraplejia, y que estuvo en estado vegetativo durante un año. Durante los 22 primeros meses recibió fisioterapia respiratoria y movilizaciones pasivas.

Se valoró posteriormente, cuando presentó afasia, tetraparesia espástica de predominio derecho e intenso bruxismo. Se instauró medicación antiespástica oral, que logró controlar parcialmente el tono de los miembros, pero no el bruxismo. Se decidió utilizar para ello la toxina botulínica.

Tras inyección de 100 UI Botox® en cada masetero y de 50 UI a los tres meses, se consiguió pasar de bruxismo continuo con dificultad para la apertura bucal, a episodios aislados de rechinamiento nocturno y capacidad para realizar praxias orolinguofaciales.

Palabras clave:
Bruxismo
Toxina botulínica
Síndrome de cautiverio
Summary

Bruxism, or rhythmic grinding of the teeth, is generally considered as a parasomnia, but it can also be found as a pyramidal release syndrome after a cerebrovascular accident that occurs with the locked-in syndrome.

The case of a 50 year old woman who suffered vertebrobasilar infarct that evolved with coma and tetraplegia and who was in a vegetative state for one year is presented. She received respiratory physiotherapy and passive mobilizations for the first 22 months. This was assessed after, when she presented aphasia, spastic tetraparesis with right predominance and intense bruxism. Oral antispastic medication was initiated and succeeded in partially controlled the limb tone, but not the bruxism. It was decided to use botulinic toxin for this.

After the injection of 100 IU Botox® in each masseteric muscle and of 50 IU at 3 months, it was possible to go from a continuous bruxism with difficulty to open the mouth to isolated episodes of nighttime tooth grinding and capacity to performing orolinguofacial praxia.

Key words:
Bruxism
Botulinic toxin
Locked-in syndrome

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