Diet reduces the effect of exogenous grit on tooth microwear

IF 1.6 Q4 ENGINEERING, BIOMEDICAL
Licheng Hua, Jianbin Chen, Peter S. Ungar
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引用次数: 8

Abstract

Exogenous grit adherent to the surface of food items and food fracture properties have each been considered important factors contributing to pattern and degree of tooth wear in mammals. However, the interactions between these two factors in generating distinctive microwear textures have remained understudied. Here the authors revisit in-vitro results from simulated chewing to explore how adherent grit and physical properties of foods act together to create dental microwear textures on occlusal enamel surfaces. Results suggest that the effect of exogenous grit on microwear texture is dependent on the material properties foods to which they adhere. Grit in the absence of food causes more complex microwear surface textures than foods covered with similar levels and types of grit (for a given number of chews and angle of approach between opposing teeth). Different foods covered in grit also yield different complexity values. Grit-laden, pliant meat, for example, results in a less complex texture than does resistant, grit-laden raw carrot. This work implied that tooth wear assessment can benefit from considering grit load and food material properties together.

Abstract Image

饮食降低了外源砂砾对牙齿微磨损的影响
食物表面附着的外源性砂粒和食物断裂特性都被认为是影响哺乳动物牙齿磨损模式和程度的重要因素。然而,这两个因素在产生独特微磨损纹理方面的相互作用仍未得到充分研究。在这里,作者重新审视了模拟咀嚼的体外结果,以探索粘附的沙砾和食物的物理特性如何共同作用,在咬合牙釉质表面产生牙齿微磨损纹理。结果表明,外源磨粒对微磨损织构的影响取决于其粘附的材料特性。在没有食物的情况下,砂砾比覆盖着相似水平和类型的砂砾的食物(对于给定的咀嚼次数和相对牙齿之间的接近角度)造成更复杂的微磨损表面纹理。覆盖在砂砾中的不同食物也会产生不同的复杂性值。例如,含砂砾的柔韧肉的质地就没有含砂砾的生胡萝卜那么复杂。这项工作表明,将磨粒负荷和食品材料性能结合起来考虑,可以对牙齿磨损进行评估。
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来源期刊
Biosurface and Biotribology
Biosurface and Biotribology Engineering-Mechanical Engineering
CiteScore
1.70
自引率
0.00%
发文量
27
审稿时长
11 weeks
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