title: [Occlusal development from the functional viewpoint in children (3). Amount of action of the masticatory muscles on groups IIA to IIIC using Hellman's dental stage in children with normal occlusion].
mesh_terms: D002648:Child; D002675:Child, Preschool; D003766:Dental Occlusion; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008409:Mastication; D008410:Masticatory Muscles / Q000254:growth & development / Q000502:physiology*; D009119:Muscle Contraction; D024510:Muscle Development