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Effect of Oral Rehabilitations on the Musculature of the Stomatognathic System - Electromyography, ultrasonography, bite force and masticatory efficiency

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Author(s):
Lâner Botrel Rosa
Total Authors: 1
Document type: Doctoral Thesis
Press: Ribeirão Preto.
Institution: Universidade de São Paulo (USP). Faculdade de Odontologia de Ribeirão Preto (PCARP/BC)
Defense date:
Examining board members:
Simone Cecilio Hallak Regalo; Esem Pereira Cerqueira; Marcelo Coelho Goiato; Ricardo Faria Ribeiro; Daniela Micheline dos Santos
Advisor: Simone Cecilio Hallak Regalo
Abstract

The stomatognathic system is a physiological and functional entity comprising a set of organs and tissues, whose biology and pathophysiology are absolutely interdependent. The tooth loss causes important changes in the masticatory system which affects bone, oral mucosa and muscle function. The masticatory performance deteriorates with tooth loss because it depends on the dentition, which includes the number of teeth present in functional occlusion, the number of posterior teeth in contact, the size of the functional areas of contact and degree of malocclusion. In order to have the rehabilitation of the stomatognathic system and consequently the masticatory function in patients with partial and / or complete tooth loss, important factors should be considered as muscle and prosthetic rehabilitation. Considering relevant the influence of the muscles in the rehabilitation of the stomatognathic system, the intention of this work was to evaluate the behavior of the masticatory muscles in different prosthetic rehabilitation. This study aims to analyze the electromyographic activity, the thickness of the masseter and temporal muscles, bite force and masticatory efficiency of adult individuals rehabilitated with different types of dental prosthesis, aiming to draw a pattern of muscle according to the different types of rehabilitation. These results allow full assessment of the stomatognathic system in terms of morphological and functional. The study focused aim to facilitate diagnosis and prognosis, bringing contributions to the quality and stability of treatments. (AU)