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Master Thesis

Texture alimentaire et croissance du complexe maxillo-mandibulaire. Revue de la littérature et réflexions autour d'un protocole d'étude

Abstract : The maxillofacial complex follows a growth pattern guided by genetic characteristics while possessing an adaptive potential depending on the environment to which the individual is subjected. One of the main factors likely to modify the maxillofacial growth pattern seems to be mastication, which would have guided the evolution of the masticatory system in humans to fit the "masticatory-functionnal hypothesis" formulated in the 1970s. This trend has accelerated over the last century, with industrialization contributing to the development of ultra-processed food products, which are more easily assimilated by our organism, but on the other hand make them much softer. This hypothesis has been corroborated by a large number of experimental studies on animals, particularly rodents. In humans, some studies suggest that similar conclusions could be drawn during maxillofacial growth in children. Indeed, the masticatory kinematics will be affected by a modification of the food consistency, which will have an effect on the solicitation of the functional matrices and therefore on growth. Other studies have reported a change in the direction and quantity of growth in the case of exacerbated masticatory activity. In addition, some comparative studies have shown anatomical differences between populations that are genetically close but whose lifestyle and particularly diet will change. However, the relationship between chewing soft foods and maxillomandibular growth in children remains too poorly documented for preventive recommendations to be proposed, despite increasing exposure to soft foods in our post-industrial Western populations. This is why the establishment of a study protocol on the impact of food consistency on maxillary growth seems to be necessary.
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https://dumas.ccsd.cnrs.fr/dumas-03365796
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Submitted on : Tuesday, October 5, 2021 - 1:41:28 PM
Last modification on : Wednesday, October 27, 2021 - 3:22:53 AM

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  • HAL Id : dumas-03365796, version 1

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Yann, Michaux. Texture alimentaire et croissance du complexe maxillo-mandibulaire. Revue de la littérature et réflexions autour d'un protocole d'étude. Sciences du Vivant [q-bio]. 2021. ⟨dumas-03365796⟩

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