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Slanted orientations of dentine tubules on remineralized dentine surfaces

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Abstract

Dentine carious lesions can be remineralized under optimal conditions, while the surface characteristics of the caries-attacked area may play an important role in the remineralization process. To understand such a surface mechanism, we examined the microstructures of the remineralized area pretreated with different methods. It was found that dentinal tubules on the remineralized surface orientated differently from intrinsic dentine tubules, with the specific alignment angle determined by different surface treatments. Various surface treatments included in this study were 37% phosphoric acid treatment (the etched group), 37% phosphoric acid etching followed by the application of 10% sodium hypochlorite treatment (the deproteinized group), and untreatment (the control group). These findings are helpful for understanding the non-restorative repair of dentine lesions and the remineralization process of the caries-affected dentin surface.

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Acknowledgments

Dr Jiang Tao from the Department of Prosthodontics, College of Dentistry, Wuhan University is kindly acknowledged for his stimulating discussions. Dr Lin Yi from Faculty of Chemistry, Wuhan University is acknowledged for her helpful AFM data analyses. The authors declare no benefit conflict. This investigation was supported by National Science Foundation of China (NSFC, No. 30700957).

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Authors and Affiliations

  1. Department of Stomatology, Tongji Hospital, Huazhong University of Science and Technology, No. 1095, Jiefang Road, Hankou District, 430030, Wuhan, Hubei, People’s Republic of China

    Yan Liu, Shiqiang Gong, Liyun Yao, Wei Wei, Jing Mao & Bin Zhou

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  1. Yan Liu
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  2. Shiqiang Gong
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  3. Liyun Yao
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  4. Wei Wei
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  5. Jing Mao
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  6. Bin Zhou
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Correspondence to Bin Zhou.

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Yan Liu, Shiqiang Gong authors contributed equally to this paper.

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Liu, Y., Gong, S., Yao, L. et al. Slanted orientations of dentine tubules on remineralized dentine surfaces. J Mater Sci: Mater Med 21, 1473–1478 (2010). https://doi.org/10.1007/s10856-010-4027-3

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  • DOI: https://doi.org/10.1007/s10856-010-4027-3

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