Toxina botulínica A para el bruxismo: una revisión sistemática

Objective: To systematize the scientific evidence on the efficacy of botulinum toxin type A in thetreatment of bruxism. Method: A bibliographical search was made by researching the PubMedCentral Journals and Allergan Products Literature (APL) - botulinum toxin within the last 10 years,with the following descriptors: ?bruxism,? ?botulinum toxin,? and ?treatment?. The methodologicalquality of the studies was evaluated by the Jadad Scale. Results: Two studies of double blindrandomized clinical trials were selected. The two clinical studies showed that the application ofbotulinum toxin could diminish levels of pain, lower the frequency of occurrences of bruxism,and satisfy the patients in terms of efficacy of the botulinum toxin in this pathology, in additionto having no important adverse effects. Thus, the treatment with botulinum toxin type A couldpresent itself as one possible treatment for patients with bruxism. Conclusion: More studies areneeded that follow the quality criteria to reach a definitive conclusion about efficacy and safety.