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Modeling and Simulation of Capacitive Pressure Sensor Using Comsol Multiphysics for Intraoral Applications

Mr.K.Sathesh, Dr.N.J.R.Muniraj, T.Divya Bharathi, S.Priyadarshini, S.Sharmila

Tooth grinding is a contentiousphenomenon. Both its definition and the diagnostic procedure contribute to the fact that the literature about the set of causes of this disorder is difficult to explicate. Further, factors like smoking, alcohol, drugs, diseases and trauma may cause tooth grinding. Psychological factors like stress and personality are frequently allude to bruxism as well. However, research to these factors comes to vacillating results and needs further attention. Taken all evidence together, bruxism appears to be mainly controlled. In order to study teeth grinding behaviour and other oral conditions requires the ability to accurately measure the pressure on the teeth. So design of pressure sensor is being proposed. This pressure sensor measures the grinding force applied on teeth. So to place a sensor in the mouth requires small size devices with powering and measurement techniques that do not hinder the normal life of the patient. To meet these requirements, a MEMS based Capacitive sensor is being designed for its biocompatibility and zero power consumption