ELECTROMYOGRAPHIC EXAMINATION OF EDENTULOUS PATIENTS AT THE STAGES OF ADAPTATION TO COMPLETE REMOVABLE PROSTHESES WITH USING OF AN ADHESIVE CREAM FOR FIXING "STOMAFIX"
Journal Title: World Science - Year 2017, Vol 6, Issue 4
Abstract
For economically developed countries, typically an increase in older people [1, 5]. In Ukraine, there is also an increase in the population, citizens of the older generation, both urban and rural [2, 7, 8]. Recently, the number of people with complete loss of teeth has been increasing [3, 5]. Orthopedic treatment of adentia in elderly patients is associated with certain difficulties, taking into account the patient's mental and physical status. In addition, there are functional and physiological changes in the organs and tissues of the maxillofacial region [1, 4]. As a result of tooth loss in the chewing system, there may be important changes affecting the bone, mucosa and muscles. The bone of the alveolar process can be resorbed, the construction of a new bone slows down, a decrease in the number of receptors is observed in the covering mucosa, as a consequence, afferent impulsation decreases. Sensitive impulses of people with edentulous jaws, changes [1, 7, 8]. The amplitude of the masticatory cycle, the effectiveness and strength of the reduction of masticatory muscles, decreases in such patients. The opening and closing speed of chewing processes Decreases, and the occlusion pause increases. The result of using of dentures in modification of peripheral information requiring adaptation of the moving control [2, 6]. One of the physical factors that affects of the fixation removable dentures, and the adaptation of patients to them, is adhesion. Therefore, for its improvement, it is advisable to use adhesive materials, increase fixation and stabilization of removable dentures as a simpler and more convenient method with complete removable prosthetics. Using of adhesive materials to improve the fixation of removable dentures increases the functional value of not only new, but old prostheses [1, 2]. The displacement of the prosthesis from the prosthetic plate is reduced when eating, getting excess of the food under the prosthesis, using of the prosthesis becomes more comfortable, what qualitatively exert on the adaptation and organization of the chewing musculature [3, 4, 6]. The examination of the process of adaptation to a new prosthesis is important for understanding the ways of control the chewing musculature and can be provide valuable information for determining the further way of solving various dysfunctions, what qualitatively affects on the adaptation to the prosthesis. Analysis of EMG activity and kinetics of masticatory movements is necessary for understanding the system of motor activity [3, 5, 8]. Electromyography is a type of diagnostics for recording oscillations of biopotentials that occur in the muscle at the moment of its excitation. The detected potentials are captured by surface electrodes. After amplification, they are transferred to a device that allows visualizing potential oscillations. Cutaneous electrodes allow you to record the activity of several muscles in total. The method of electromyography is painless and harmless, which makes it possible to actively use this method to determine the bioelectrical activity of the chewing apparatus [4, 6, 7]. Electromyographic examinations (EMG) of the muscles of the maxillofacial area are one of the leading diagnostic methods in dental practice all over the world. EMG studies of masticatory and facial muscles allow to determine changes in the functional state of muscles in the phase of masticatory movement, as well as in mimic loads. EMG studies allow to diagnose neuromuscular imbalance, to detect displacement of the occlusion center at the stages of prosthetics [3, 4, 5].
Authors and Affiliations
O. Movchan, G. Kovalenko
Keywords
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