TY - GEN
T1 - An EMG instrument designed for bruxism detection on masseter muscle
AU - Jirakittayakorn, Nantawachara
AU - Wongsawat, Yodchanan
N1 - Publisher Copyright:
© 2014 IEEE.
PY - 2014/1/20
Y1 - 2014/1/20
N2 - Sleep bruxism (SB) is one of the unsolved problems in dentistry characterized by grinding or clenching of teeth during sleep. Without exact treatment procedure, dentists attempt to alleviate SB symptoms and prevent worsen problem of teeth. Biofeedback method is recently interested because it can change abnormal activity to normal activity for improving quality of life in patients by generating some stimuli feedback back to patients after abnormal activity which is detected by a device. And that normal activity is permanent over time after removal of the device. The aims of this study are to investigate maximum voluntary contraction (MVC) of masseter muscle, and to design a portable particular purposed electromyography (EMG) device for detection of SB activity. 20 participants with average age 21.5 years old were asked to clenching and grinding their teeth for mimicking SB activity and recorded EMG signal for greater analysis. EMG signal of MVC showed maximum value around 870 mV and had powerful frequency of 100 to 400 Hz. An EMG device was designed to be the first part of biofeedback system which amplifies the signal around 5,000 times with frequency selection in boundary of 100 to 500 Hz for selecting clenching and grinding signals.
AB - Sleep bruxism (SB) is one of the unsolved problems in dentistry characterized by grinding or clenching of teeth during sleep. Without exact treatment procedure, dentists attempt to alleviate SB symptoms and prevent worsen problem of teeth. Biofeedback method is recently interested because it can change abnormal activity to normal activity for improving quality of life in patients by generating some stimuli feedback back to patients after abnormal activity which is detected by a device. And that normal activity is permanent over time after removal of the device. The aims of this study are to investigate maximum voluntary contraction (MVC) of masseter muscle, and to design a portable particular purposed electromyography (EMG) device for detection of SB activity. 20 participants with average age 21.5 years old were asked to clenching and grinding their teeth for mimicking SB activity and recorded EMG signal for greater analysis. EMG signal of MVC showed maximum value around 870 mV and had powerful frequency of 100 to 400 Hz. An EMG device was designed to be the first part of biofeedback system which amplifies the signal around 5,000 times with frequency selection in boundary of 100 to 500 Hz for selecting clenching and grinding signals.
KW - EMG
KW - EMG device
KW - clenching
KW - grinding
KW - sleep bruxism
UR - http://www.scopus.com/inward/record.url?scp=84923062039&partnerID=8YFLogxK
U2 - 10.1109/BMEiCON.2014.7017403
DO - 10.1109/BMEiCON.2014.7017403
M3 - Conference contribution
AN - SCOPUS:84923062039
T3 - BMEiCON 2014 - 7th Biomedical Engineering International Conference
BT - BMEiCON 2014 - 7th Biomedical Engineering International Conference
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 7th Biomedical Engineering International Conference, BMEiCON 2014
Y2 - 26 November 2014 through 28 November 2014
ER -