Dual Micromechanical Interlocking Through Filler Surface Modification for Enhanced Dental Composites.

Hongyan Chen, Jiaxuan Lyu, Jia Nie, Xuhui Wang, Na Yang, Sheng Han, Mingliang Zhou

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Article in Polymers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

7 authors.

Hongyan ChenSchool of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.

Jiaxuan LyuDepartment of Prosthodontics, Department of General Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai 200011, China.

Jia NieSchool of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.

Xuhui WangSchool of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.

Na YangSchool of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.

Sheng HanSchool of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.

Mingliang ZhouDepartment of Prosthodontics, Department of General Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai 200011, China.ORCID 0000-0003-4375-3312

Funding

Industrial Collaborative Innovation Project of Shanghai XTCX-KJ-2022-70Joint Fund of the Ministry of Education 8091B02052304National Natural Science Foundation of China 82201115, 22278269

6 · The paper itself

Abstract

A novel structure-functional-integrated particle featuring dual micromechanical interlocking property with resin matrix was constructed through surface modification of urchin-like serried hydroxyapatite (UHA) in this work, and the effect of this modification strategy on physicochemical and biological properties of dental resin composite was also investigated. A porous silica coating layer was anchored onto UHA surface via a simple template method in an oil-water biphase reaction system, and the coating time had a prominent effect on the coating thickness and morphology-structure of the particle. When these particles with different porous silica coating thickness were used as fillers for dental resin composite, results showed that UHA/PS5 (porous silica coating reaction time: 5 h) exhibited the optimal 3D urchin-like structure and a desirable porous silica coating thickness. Additionally, UHA/PS5 formed the best dual physical micromechanical interlocking structure when mixing with resin matrix, making the dental resin composites presented the desirable matrix/filler interfacial bonding, and the excellent physicochemical-biological properties, especially for flexural strength and water sorption-solubility. In vitro remineralization and cellular biological properties confirmed that the coating layer did not compromise their remineralization activity. The use of UHA/PSx provides a promising approach to develop strong, durable, and biocompatible DRCs.

Indexed as

3D urchin-like hydroxyapatitedental resin compositesdual micromechanical interlockinginterface interactionporous silica

Identifiers

PMID40942300

DOI10.3390/polym17172384

PMCPMC12431051

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