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Article Dans Une Revue (Article De Synthèse) Journal of Oral Rehabilitation Année : 2017

Age-related changes in mastication

Résumé

The paper reviews human mastication, focusing on its age-related changes. The first part describes mastication adaptation in young healthy individuals. Adaptation to obtain a food bolus ready to be swallowed relies on variations in number of cycles, muscle strength and volume of emitted saliva. As a result, the food bolus displays granulometric and rheological properties, the values of which are maintained within the adaptive range of deglutition. The second part concerns healthy ageing. Some mastication parameters are slightly modified by age, but ageing itself does not impair mastication, as the adaptation possibilities remain operant. The third part reports on very aged subjects, who display frequent systemic or local diseases. Local and/or general diseases such as tooth loss, salivary defect, or motor impairment are then indistinguishably superimposed on the effects of very old age. The resulting impaired function increases the risk of aspiration and choking. Lastly, the consequences for eating behaviour and nutrition are evoked
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Dates et versions

hal-01594556 , version 1 (26-09-2017)

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Marie-Agnès Peyron, Alain Woda, Pierre Bourdiol, Martine Hennequin. Age-related changes in mastication. Journal of Oral Rehabilitation, 2017, 44 (4), pp.299-312. ⟨10.1111/joor.12478⟩. ⟨hal-01594556⟩
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