Abstract.
We cover teeth surfaces with nanohybrid coatings containing an inorganic ceramic and an organic copolymer constituents. We report the first ever values of scratch penetration depth and scratch recovery for bare and coated teeth. We find that uncoated teeth undergo viscoelastic recovery (healing) after microscratching – the first manifestation of bone viscoelasticity in tribology. The coatings fill "valleys" in teeth surfaces. In each case a large improvement in the scratch resistance as compared to uncoated teeth is seen. The extent of the improvement depends on the inorganic/organic component ratios in the nanohybrids.
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Acknowledgements.
Agustin de la Isla acknowledges the financial support of Rector Dolores Cabrera of the Autonomous University of Queretaro which made possible a stay at LAPOM, University of North Texas.
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de la Isla, A., Brostow, W., Bujard, B. et al. Nanohybrid scratch resistant coatings for teeth and bone viscoelasticity manifested in tribology. Mat Res Innovat 7, 110–114 (2003). https://doi.org/10.1007/s10019-003-0236-4
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DOI: https://doi.org/10.1007/s10019-003-0236-4