Effect of nano-bioceramics on monomer leaching and degree of conversion of resin-based composites

被引：24
|
作者：
Khalid, Hina [1 ]
Syed, Mariam Raza [2 ]
Rahbar, Muhammad Imran [3 ]
Iqbal, Haffsah [1 ]
Ahmad, Sarfraz [4 ]
Kaleem, Muhammad [5 ]
Matinlinna, Jukka Pekka [6 ]
Khan, Abdul Samad [7 ]
机构：
[1] COMSATS Univ Islamabad, Interdisciplinary Res Ctr Biomed Mat, Lahore Campus, Lahore 54000, Pakistan
[2] Univ Hlth Sci, Dept Dent Mat, Lahore 54000, Pakistan
[3] FMH Coll Med & Dent, Dept Orthodont, Lahore 54000, Pakistan
[4] Univ Lahore, Inst Mol Biol & Biotechnol, Lahore 54000, Pakistan
[5] Natl Univ Med Sci, Dept Dent Mat, Army Med Coll, Rawalpindi 44000, Pakistan
[6] Univ Hong Kong, Dent Mat Sci, Fac Dent, Hong Kong, Peoples R China
[7] Imam Abdulrahman Bin Faisal Univ, Dept Restorat Dent Sci, Coll Dent, Dammam 31441, Saudi Arabia
来源：
DENTAL MATERIALS JOURNAL | 2018年 / 37卷 / 06期
关键词：
Bioactive dental composites; Bulkfill composites; Monomer leaching; Degree of conversion; HPLC; DENTAL RESIN; MECHANICAL-PROPERTIES; BIS-GMA; HYDROXYAPATITE; TEGDMA; QUANTIFICATION; CYTOTOXICITY; CHEMISTRY; ADHESION; ELUTION;
D O I：
10.4012/dmj.2017-338
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The aim of this laboratory study was to evaluate the monomer leaching and degree of conversion (DC) from experimental bioactive resin composites (RBCs) and to do comparison with commercial bulkfill and packable resin composites. Experimental dimethacrylate-based resin composites were reinforced with silanated nano-hydroxyapatite (30 and 45 wt%). The ion leaching and DC of these resin composites were compared and contrasted with SDR (TM) and Filtek P60 (TM) by using the high performance liquid chromatography (HPLC) and Fourier transform infrared spectroscopy (FTIR), respectively. A significant difference was found in elution of monomer between the resin composites. SDR (TM) showed significantly high monomer elution and structural changes compared to other resin composites. The DC of bioactive RBCs showed the highest conversion rate after polymerization. Resin composite with nano-hydroxyapatite with the presence of a bioactive component might provide biomimetic approach for the material. Moreover, a low concentration of nano-hydroxyapatite nano-fillers have shown better properties than micro-fillers based resin composites.
引用
收藏
页码：940 / 949
页数：10
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