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Authordc.contributor.authorQuezada Gaon, Natacha 
Authordc.contributor.authorWortsman, Ximena 
Authordc.contributor.authorPenaloza, Osvaldo 
Authordc.contributor.authorCarrasco, Juan Eduardo 
Cita de ítemdc.identifier.citationJournal of Cosmetic Dermatology, 15, 238--244es_ES
Abstractdc.description.abstractBackground Botulinum toxin type A has been used for treating the hypertrophy of the masseter muscles and its cosmetic effects. Ultrasound is increasingly used in dermatology, along with the guidance of mini-invasive procedures. Aims To evaluate the role of ultrasound for guiding the application of Botulinum A toxin in patients with cosmetic alterations due to bruxism, correlate the clinical landmarks with the ultrasound findings, and study the effect on the symptoms, cosmetics, and quality of life. Patients/Methods Twenty individuals with bruxism and cosmetic alterations underwent an ultrasound-guided injection of Botulinum toxin type A in each masseter muscle. Clinical and ultrasound marking of the procedure was compared. Clinical and sonographic evaluation was performed at the time of injection and 3 months later. Ten normal individuals underwent ultrasound of the masseter muscles as a control group. Results Up to 65% of individuals showed anatomical variants of the salivary glands. The method for clinically marking the skin showed a frequently erroneous location of the anterior point (up to 40% of cases) that was proven by ultrasound to be out of the muscle. In 20% of cases, ultrasound showed that the needle should be longer to enter the muscle. After injection, most of the patients demonstrated a decrease of the symptoms and cosmetic and quality of life improvements. Conclusions Ultrasound can be a potent tool for guiding the injection of Botulinum toxin into the masseter muscles. It may contribute to a more personalized procedure, better cosmetic results, and help to avoid potential complicationses_ES
Type of licensedc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile*
Link to Licensedc.rights.uri*
Sourcedc.sourceJournal of Cosmetic Dermatologyes_ES
Keywordsdc.subjectBotulinum toxines_ES
Keywordsdc.subjectBotulinum toxin ultrasoundes_ES
Keywordsdc.subjectCosmetic procedureses_ES
Keywordsdc.subjectCosmetic ultrasoundes_ES
Keywordsdc.subjectSkin ultrasoundes_ES
Keywordsdc.subjectDermatologic ultrasoundes_ES
Keywordsdc.subjectUltrasound dermatologyes_ES
Keywordsdc.subjectSkin imaginges_ES
Títulodc.titleComparison of clinical marking and ultrasound-guided injection of Botulinum type A toxin into the masseter muscles for treating bruxism and its cosmetic effectses_ES
Document typedc.typeArtículo de revistaes_ES
Indexationuchile.indexArtículo de publicación ISIes_ES

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Attribution-NonCommercial-NoDerivs 3.0 Chile
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 Chile