The asymmetry is highly variable on both arches, and it is associated with differences in the inclination of upper M1 crowns. Each molar has variable inclination (buccal/lingual) which influence tooth to tooth contact, producing greater or lesser variation in wear pattern. Interindividual variability of morphological variation of the occlusal relationship has to be considered in macrowear analysis. Discussion: Our results suggest that overall asymmetry in the masticatory apparatus in modern humans affects occlusal contact areas between antagonist teeth influencing macrowear and chewing efficiency during ontogeny.
The physiological linkage between molar inclination and dental macrowear pattern / Oxilia, Gregorio; Bortolini, Eugenio; Martini, Sergio; Papini, Andrea; Boggioni, Marco; Buti, Laura; Figus, Carla; Sorrentino, Rita; Townsend, Grant; Kaidonis, John; Fiorenza, Luca; Cristiani, Emanuela; Kullmer, Ottmar; Moggi-Cecchi, Jacopo; Benazzi, Stefano. - In: AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY. - ISSN 0002-9483. - ELETTRONICO. - (2018), pp. 1-11. [10.1002/ajpa.23476]
The physiological linkage between molar inclination and dental macrowear pattern
Oxilia, Gregorio;Moggi-Cecchi, Jacopo;
2018
Abstract
The asymmetry is highly variable on both arches, and it is associated with differences in the inclination of upper M1 crowns. Each molar has variable inclination (buccal/lingual) which influence tooth to tooth contact, producing greater or lesser variation in wear pattern. Interindividual variability of morphological variation of the occlusal relationship has to be considered in macrowear analysis. Discussion: Our results suggest that overall asymmetry in the masticatory apparatus in modern humans affects occlusal contact areas between antagonist teeth influencing macrowear and chewing efficiency during ontogeny.
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