Mineralization of Resin Using Experimental Adhesives Containing Hydroxyapatite in Long Term
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- HOSHIKA Tomohiro
- Department of Operative Dentistry, Okayama University Hospital, Okayama, Japan
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- NISHITANI Yoshihiro
- Department of Restrative Dentistry and Endodontology, Research Field in Dentistry, Medical and Dental Sciences Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
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- TAKAHASHI Kei
- Department of Operative Dentistry, Okayama University Hospital, Okayama, Japan
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- OGATA Haruka
- Department of Restrative Dentistry and Endodontology, Research Field in Dentistry, Medical and Dental Sciences Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
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- OHARA Naoko
- Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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- KAJIHARA Takehiro
- Department of Restrative Dentistry and Endodontology, Research Field in Dentistry, Medical and Dental Sciences Area, Research and Education Assembly, Kagoshima University, Kagoshima, Japan
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- YOSHIYAMA Masahiro
- Department of Operative Dentistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Abstract
Incomplete resin infiltration into acid-etched dentin leaves water-rich, resin-poor regions in hybrid layers that may cause degradation of resins and collagen fibrils. Incorporation of hydroxyapatite (HAp) into resins may provide a reservoir of calcium phosphate that might "backfill" water-filled voids in hybrid layers and resins. The purpose of this study was to test the hypothesis that incorporation of HAp into experimental resins can fill in microvoids with calcium phosphate. Three experimental adhesives were created by adding 0, 5 or 10wt% HAp. We carried out the following experiments: Water sorption and solubility evaluation, Evaluation of the calcium deposition inducibility, SEM observation and energy dispersive X-ray analysis, Tensile Testing. Although hydroxyapatite appears to have no effect on the ability of resin to infiltrate dentin in this study, incorporating HAp into dental adhesives may allow the formation of crystals below the hybrid layer, which could help create a stronger anchor.
Journal
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- Journal of Oral Tissue Engineering
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Journal of Oral Tissue Engineering 13 (2), 85-95, 2015
Japanese Association of Regenerative Dentistry
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Keywords
Details 詳細情報について
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- CRID
- 1390282680202903168
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- NII Article ID
- 130005150543
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- ISSN
- 18800823
- 13489623
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- Text Lang
- en
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- Data Source
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- JaLC
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed