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An enamel-inspired bioactive material with multiscale structure and antibacterial adhesion property

Bioactive Materials 2022年第1期7卷 491-503页

作者： Hai Ming Wong Yu Yuan Zhang Quan Li Li Paediatric Dentistry and Orthodontics Faculty of DentistryThe University of Hong Kong34 Hospital RoadHong Kong Collage and Hospital of Stomatology Anhui Medical UniversityNo.69Meishan RoadHeifeiChina

Conventional dental materials lack of the hierarchical architecture of enamel that exhibits excellent intrinsic-extrinsic mechanical ***,restorative failures frequently occur due to physical and chemical mismatch between artificial materials and native dental hard tissue followed by recurrent caries which is caused by sugar-fermenting,acidogenic bacteria invasion of the defective *** order to resolve the limitations of the conventional dental materials,the aim of this study was to establish a non-cell-based biomimetic strategy to fabricate a novel bioactive material with enamel-like structure and antibacterial adhesion *** evaporation-based,bottom-up and self-assembly method with layer-by-layer technique were used to form a large-area fluorapatite crystal layer containing antibacterial *** multilayered structure was constructed by hydrothermal growth of the fluorapatite crystal layer and highly conformal adsorption to the crystal surface of a polyelectrolyte matrix *** and mechanical assessment demonstrated that the synthesized bioactive material resembled the native enamel in chemical components,mechanical properties and crystallographic *** and cytocompatibility evaluation demonstrated that this material had the antibacterial adhesion property and *** combination with the molecular dynamics simulations to reveal the effects of variables on the crystallization mechanism,this study brings new prospects for the synthesis of enamel-inspired materials.

关键词： Biomimetic mineralization enamel-inspired material Bioactive material Graphene oxide enamel-like structure

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