Evaluation of Sandblasting on Mechanical Properties and Cell Response of Bioactive Glass Infiltrated Zirconia

被引：8
|
作者：
Thao Phuong Thi Nguyen [1 ]
Oh, Gye Jeong [2 ]
Lim, Hyun Pil [1 ]
Yun, Kwi Dug [1 ]
Kim, Ji Won [1 ]
Van Thi Vu [1 ]
Park, Chan [1 ]
Ban, Jae Sam [3 ]
Yang, Hong Seo [1 ]
Park, Sang Won [1 ]
机构：
[1] Chonnam Natl Univ, Dent Sci Res Inst, Sch Dent, Dept Prosthodont, Gwangju 500757, South Korea
[2] Chonnam Natl Univ, Sch Dent, RIS Fdn Adv Biomat, Gwangju 500757, South Korea
[3] Gwangju Technopk, Gwangju 500706, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2017年 / 17卷 / 04期
基金：
新加坡国家研究基金会;
关键词：
Bioactive Glass; Glass Infiltrated Zirconia; Sandblasting; Mechanical Properties; Osteoblast Cell Response;
D O I：
10.1166/jnn.2017.13329
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This study investigated the mechanical properties and initial cell response of bioactive glass infiltrated zirconia before and after sandblasting. One hundred zirconia specimens were divided into the following four groups: untreated zirconia (ZR), sandblasted zirconia (ZS), glass infiltrated zirconia (ZG), and sandblasted glass infiltrated zirconia (ZGS). Surface roughness, biaxial flexural strength, hardness and osteoblast cells proliferation were evaluated. ZGS group showed a slight decrease in hardness. However it has improvement in flexural strength (686.2 MPa). After sandblasting, the ZGS group had the highest surface roughness (Ra = 1.24 mu m) with enhanced osteoblast cells response. Our results indicated that sandblasting method can improve the mechanical properties of bioactive glass infiltrated zirconia with better osteoblast cell response. This new surface is promising for zirconia dental implant application in the future.
引用
收藏
页码：2740 / 2742
页数：3
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