Cément acellulaire à fibres extrinsèques et dents de sagesse incluses : approche expérimentale

Abstract : The development of acellular extrinsic fiber cementum (AEFC) remains only partially resolved. As of today, there are two competing theories. According to the first, the masticatory function plays an essential role in cementogenesis of AEFC. The second one however rejects this hypothesis. The aim of this study was to show whether or not AEFC was present on impacted wisdom teeth, which had not evolved to an eruption on the dental arch with an occlusion and involvement in the masticatory function. An experimental protocol was elaborated to assess cementum deposits of AEFC. Results showed that AEFC is partially present on the sample, which implies the crucial role of the masticatory function on the establishment of AEFC. However, irregular deposits and lack of AEFC on certain teeth lead us to think that the masticatory function could modulate the incrementation of cementum layers. Other studies are needed to further clarify these results.
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Submitted on : Thursday, April 4, 2019 - 12:21:06 PM
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Poehei Lehartel. Cément acellulaire à fibres extrinsèques et dents de sagesse incluses : approche expérimentale. Sciences du Vivant [q-bio]. 2019. ⟨dumas-02089973⟩

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