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Relationship between chewing side preference and handedness and lateral asymmetry of peripheral factors

Martinez-Gomis, Jordi ; Lujan-Climent, Mar ; Palau, Sara ; Bizar, Josep ; Salsench, Juan ; Peraire, Maria

Archives of oral biology, 2009-02, Vol.54 (2), p.101-107 [Periódico revisado por pares]

England: Elsevier Ltd

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Título:
Relationship between chewing side preference and handedness and lateral asymmetry of peripheral factors
Autor: Martinez-Gomis, Jordi ; Lujan-Climent, Mar ; Palau, Sara ; Bizar, Josep ; Salsench, Juan ; Peraire, Maria
Assuntos: Adult ; Advanced Basic Science ; Articulació temporomandibular ; Bite Force ; Cerebral dominance ; Cinesiologia ; Cross-Sectional Studies ; Dental Occlusion ; Dentistry ; Dents ; Dominància cerebral ; Female ; Functional Laterality - physiology ; Hand Strength - physiology ; Handedness ; Humans ; Jaw Relation Record ; Kinesiology ; Lateralitat ; Laterality ; Male ; Masticació ; Mastication ; Mastication - physiology ; Middle Aged ; Muscle Strength Dynamometer ; Musculació ; Oclusió dental ; Odontologia ; Side of mastication ; Teeth ; Temporomandibular joint ; Temporomandibular Joint Disorders - diagnosis ; Temporomandibular Joint Disorders - physiopathology ; Weight training ; Young Adult
É parte de: Archives of oral biology, 2009-02, Vol.54 (2), p.101-107
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Abstract Objective To determine whether chewing side preference is related to handedness and lateral asymmetry of occlusal characteristics, muscular force and temporomandibular disorders (TMD) in a dentate population. Design One hundred and seventeen dentate adults participated in this cross-sectional study. Static and dynamic occlusal characteristics were determined at the maximal intercuspal position and at the lateral excursions by scanning interocclusal records and analysing them using image software. Unilateral maximum bite force and finger–thumb grip force were measured by means of a gnathodynamometer. TMD were assessed according to the Research Diagnostic Criteria for TMD. Chewing side preference and masticatory laterality were determined by observing the jaw's movement while each subject chewed silicone. Asymmetry or side difference of the variables was calculated. Correlation between side difference variables and masticatory laterality was studied using Spearman correlation coefficient. Results Fifty-nine subjects chewed on the right, 15 on the left and 43 chewed on both sides. There was no relationship between preferred chewing side and handedness, lateral asymmetry of TMD or side difference in finger–thumb grip force. Significant and positive correlations were observed between masticatory laterality and side differences in bite force and side differences in occlusal contact area at intercuspal position ( P < 0.01). Conclusions Chewing side preference in a dentate population is related to lateral asymmetry of bite force and asymmetry of occlusal contact area at the intercuspal position but not to handedness.
Editor: England: Elsevier Ltd
Idioma: Inglês

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Relationship between chewing side preference and handedness and lateral asymmetry of peripheral factors

Martinez-Gomis, Jordi ; Lujan-Climent, Mar ; Palau, Sara ; Bizar, Josep ; Salsench, Juan ; Peraire, Maria

England: Elsevier Ltd

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