Cranio : the journal of craniomandibular practice · 2017
Motor behavior of masticatory muscles in individuals with unilateral trans-incisive foramen cleft lip and palate.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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da Costa Letícia Miranda Resende, Graciosa Maylli Daiani, Coelho Jerusa Jordão, Rocha Roberto, Ries Lilian Gerdi Kittel
Аннотация
OBJECTIVE: To investigate whether children with complete unilateral cleft lip and palate (CLP) have altered control of masticatory muscles.
METHODS: The muscular activity of 66 children with CLP (n = 33) and without CLP (n = 33), aged 6-12 years was assessed during different tasks (rest, isometry, mastication) using electromyography.
RESULTS: The activation for the analyzed muscles was higher in children with CLP at rest (R) and inactive period (IP) (p < 0.05). The muscles of children with CLP remained active for longer than those without CLP (p < 0.05), and the length of the masticatory cycle was higher in children with CLP (p < 0.05).
CONCLUSION: Children with CLP have longer muscle activation and increased cycle time during the chewing cycle, which might be a consequence of malocclusion, resulting in difficulty chewing.
METHODS: The muscular activity of 66 children with CLP (n = 33) and without CLP (n = 33), aged 6-12 years was assessed during different tasks (rest, isometry, mastication) using electromyography.
RESULTS: The activation for the analyzed muscles was higher in children with CLP at rest (R) and inactive period (IP) (p < 0.05). The muscles of children with CLP remained active for longer than those without CLP (p < 0.05), and the length of the masticatory cycle was higher in children with CLP (p < 0.05).
CONCLUSION: Children with CLP have longer muscle activation and increased cycle time during the chewing cycle, which might be a consequence of malocclusion, resulting in difficulty chewing.