A study of stress on the oral and maxillofacial complex in judo

概要

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An FPD-T-Sports sensor was mounted in the oral cavity of judo athletes to simulate stress effects on the oral and maxillofacial complex when wearing a sports mouth guard (SMG) while performing judo techniques. The intraoral sensors were connected either with an I-SCAN or a T-SCAN III system that can dynamically evaluate and analyze occlusal force distribution and contact area while performing standing and ground-fighting techniques. The results indicated that maximum intercuspal clenching is not necessary for performing judo. Furthermore, we did not find distinct distribution differences in occlusal contact between the dentition and oral mucosa of the athletes. The present findings indicated that judo techniques might induce stress that affects the oral and maxillo-facial complex essentially through non-specific contact between the teeth and the oral mucosa regardless of maximum intercuspal clenching. Hence, the SMG might reduce the incidence of hard-to-soft tissue damage during judo.