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ÌâÃû£ºZnO¨CAlBw-reinforced dental resin composites: the effect of pH level on mechanical properties£¨DOI: 10.1039/c5ra01413a£©

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ZnO-AlBw-reinforced dental resin composites: the effect of pH level on mechanical properties
×÷Õß:Jin, JF (Jin, Jianfeng)[ 1,2 ] ; Wei, GY (Wei, Gaoyan)[ 3,4 ] ; Hao, AL (Hao, Ailian)[ 2 ] ; Zhang, WY (Zhang, Wenyun)[ 3 ] ; Zhang, YM (Zhang, Yumei)[ 5 ] ; Wang, QT (Wang, Qintao)[ 1 ] ; Chen, QH (Chen, Qinghua)[ 6 ]
RSC ADVANCES
¾í: 5  ÆÚ: 33  Ò³: 26430-26437
DOI: 10.1039/c5ra01413a
³ö°æÄê: 2015
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The aim of the present study was to investigate the effect of the pH level on the reinforcement of Zn-fused ceramic whisker composites. Zinc oxide (ZnO)-fused aluminum borate whiskers (AlBw) were used to strengthen dental resin composites, and the pH level was found to be a pivotal parameter that determined the composite strength. Another purpose of this study was to investigate the effect of the pH level on the bending strength, elastic modulus, compressive strength and hardness of the composites at pH = 6.0, pH = 6.2, pH = 6.4, pH = 6.6 and pH = 6.8. Each mixture was thermally fused, then silanized and combined with a dental resin at a filler mass percentage of 50%. X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) spectroscopy were employed to characterize and analyze the AlBw, the ZnO-AlBw and the fracture surface of the resin composites. The highest bending strength (MPa) was observed for the group with pH = 6.4 (140.58 +/- 12.86, n = 5), and the minimal bending strength was observed for the group with unmodified AlBw (73.20 +/- 6.12, n = 5). The compressive strength and bending strength were the opposite, the group with unmodified AlBw was highest (332 +/- 40, n = 5), and the group with pH = 6.4 was lowest (298 +/- 20, n = 5). Reinforcement with ZnO-fused AlBw resulted in novel dental resin composites that possessed a bending strength higher than the unmodified whiskers.
¹Ø¼ü´Ê
KeyWords Plus:SILICA-FUSED WHISKERS; POLYMERIZATION STRESS; NANOPARTICLES; CONVERSION; NANORODS; ROUTE; RESTORATIONS; TEMPERATURE; STRENGTH; FILLER
×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Zhang, YM (ͨѶ×÷Õß)
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        Fourth Mil Med Univ, Sch Stomatol, Dept Periodontol, State Key Lab Mil Stomatol, Xian 710032, Peoples R China.
µØÖ·:
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 1 ] Fourth Mil Med Univ, Sch Stomatol, Dept Periodontol, State Key Lab Mil Stomatol, Xian 710032, Peoples R China
              [ 2 ] Kunming Municipal Stomatol Hosp, Kunming 650011, Peoples R China
              [ 3 ] Kunming Gen Hosp PLA, Dept Stomatol, Kunming 650032, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 4 ] Kunming Med Univ, Clin Coll, Kunming 650032, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 5 ] Fourth Mil Med Univ, Sch Stomatol, Dept Prosthet Dent, State Key Lab Mil Stomatol, Xian 710032, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 6 ] Kunming Univ Sci & Technol, Fac Mat & Met Engn, Kunming 650093, Peoples R China
µç×ÓÓʼþµØÖ·:wenyunzh88@126.com; yznmbk@fmmu.edu.cn; wqtzym@fmmu.edu.cn
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»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
National Natural Science Foundation of China        
81260272
²é¿´»ù½ð×ÊÖúÐÅÏ¢   
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ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Chemistry
Web of Science Àà±ð:Chemistry, Multidisciplinary
ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000351494800098
ISSN: 2046-2069
ÆÚ¿¯ÐÅÏ¢
Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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IDS ºÅ: CE0LF
Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 47
Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 2
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