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Occlusal, joint and muscle condition of a young adult population


International Physical Medicine & Rehabilitation Journal
Oscar Hernán Zuluaga-Lopez,1 Olga Patricia López-Soto2

Abstract

Introduction: The normal function of the stomatognathic ystem (SMS) depends on the harmony of close relationship among temporomandibular joint (TMA), occlusion and neuromuscular system. This study described this SMS characteristics of young adult people .

Methods: Descriptive study, intention sample of 60 patients with complete natural dentition that observed the main occlusal characteristics, TMA and temporal and masseter muscles, through , clinical examination, mounting semi-adjustable articulator and surface electromyography.

Results:Patients recorded: ATM noise (43%), limited opening (13%), normal-occlusion in static position (56-71%), premature contacts (20%) interferences (93%) and opening deviation (51 %). In patients with occlusal alterations there was an increase in muscle electrical activity (right masseter p<0.05).

Conclusion: Clinical and occlusal conditions that did not coincide with normal-occlusion parameters generated an increase in muscle electrical activity.

Keywords

dental occlusion, young adult, temporomandibular joint, theoretical conception, neuromuscular system, joint diseases, articular dynamics, anatomy and physiology, skeletal muscle, occlusal conditions, psychological profile, neurological disorders, joint surfaces, displacement system, physiological relationship, postural conditions

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