Affiliation:
1. Department de Stomatologie and Centre de Recherche en Sciences Neurologigues, Ds24, Pav. Prine, Universite de Montreal, CP 6128, Succ A, Montreal, Canada H3C 3J7
Abstract
This review describes the patterns of mandibular movements that make up the whole sequence from ingestion to swallowing food, including the basic types of cycles and their phases. The roles of epithelial, periodontal, articular, and muscular receptors in the control of the movements are discussed. This is followed by a summary of our knowledge of the brain stem neurons that generate the basic pattern of mastication. It is suggested that the production of the rhythm, and of the opener and closer motoneuron bursts, are independent processes that are carried out by different groups of cells. After commenting on the relevent properties of the trigeminal and hypoglossal motoneurons, and of internuerons on the cortico-bulbar and reflex pathways, the way in which the pattern generating neurons modify sensory feedback is discussed.
Subject
General Dentistry,Otorhinolaryngology
Cited by
436 articles.
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