2012
DOI: 10.1590/s2179-64912012000300005
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Caracterização eletromiográfica e ultrassonográfica da função mastigatória em indivíduos com oclusão normal

Abstract: OBJETIVO: Caracterizar o controle motor dos músculos masseter e temporal e a morfologia do músculo masseter em atividades da função mastigatória em indivíduos com oclusão normal; verificar a compatibilidade entre os exames de eletromiografia de superfície (EMGs) e ultrassonografia (USG). MÉTODOS: Participaram 22 indivíduos adultos, de ambos os gêneros, sem alterações no sistema miofuncional orofacial. Os procedimentos adotados para avaliação dos participantes foram: EMGs dos músculos masseteres (MM) e temporai… Show more

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Cited by 8 publications
(3 citation statements)
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“…The technique used and the guidelines were previously explained to the patient for data collection protocols already published 9 , 14 , 16 , 23 , 26 . During habitual mastication, it was standardized as food, a portion of french bread 5 cm 3 and signal capture time during chewing; they were analyzed in all ranges without exclusions, taking advantage of the total sample time until swallowing food.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The technique used and the guidelines were previously explained to the patient for data collection protocols already published 9 , 14 , 16 , 23 , 26 . During habitual mastication, it was standardized as food, a portion of french bread 5 cm 3 and signal capture time during chewing; they were analyzed in all ranges without exclusions, taking advantage of the total sample time until swallowing food.…”
Section: Methodsmentioning
confidence: 99%
“…The records were collected by MHI maintained for 5 seconds and repeat three times with 1 min interval addition to rest between each collection and used the average for signal normalization, equivalent to 100% of the electrical activity. The signals collected during mastication were analyzed by Root Mean Square (RMS) and expressed in microvolts (uV) 9 , 14 , 26 .…”
Section: Methodsmentioning
confidence: 99%
“…All surface electromyography (sEMG) exams were conducted by the same speech-language pathologist under the same environmental conditions. Assessment of the electric activity of masticatory muscles of the participants was based on specific methodology (18) . To this end, the sEMG was performed using a 4-channel Miotool 400 electromyography device with all channels calibrated as follows: at 500 microvolts (μV) with a bandpass filter (20-500 Hz), a notch filter (60 Hz), and 100x gain, with low noise level (<5 μV RMS).…”
Section: Evaluation Of Masticatory Muscles -Surface Electromyography mentioning
confidence: 99%