NDLI: Bioactive sol–gel glass added ionomer cement for the regeneration of tooth structure

Content Provider	Springer Nature Link
Author	Choi, Jung Young Lee, Hae Hyoung Kim, Hae Won
Copyright Year	2008
Abstract	Dental cements including the glass ionomer cement (GIC) have found widespread use in restoring tooth structures. In this study, a sol–gel derived glass (SG) with a bioactive composition (70SiO$_{2}$ · 25CaO · 5P$_{2}$O$_{5}$) was added to the commercial GIC (GC, Fuji I) to improve the bioactivity and tooth regeneration capability. The SG powders prepared with sizes in the range of a few micrometers were mixed with GIC at SG/GC ratios of 10 and 30 wt%. The setting time, diametral tensile strength, and in vitro bioactivity of the GC–SG cements were examined. The setting time of the GC–SG cements increased with increasing amount of SG. However, the addition of SG did not significantly alter the diametral tensile strength of the GC. GC–SG induced the precipitation of an apatite bone-mineral phase on the surface after immersion in a simulated body fluid (SBF), showing in vitro bone bioactivity. However, no mineral induction in SBF was observed in the commercial GIC after the immersion. The in vitro cell assay confirmed that the GC–SG samples produced higher cell viability than the GC sample with cell culturing for up to 7 days.
Starting Page	3287
Ending Page	3294
Page Count	8
File Format	PDF
ISSN	09574530
Journal	Journal of Materials Science: Materials in Medicine
Volume Number	19
Issue Number	10
e-ISSN	15734838
Language	English
Publisher	Springer US
Publisher Date	2008-05-16
Publisher Place	Boston
Access Restriction	Subscribed
Subject Keyword	Surfaces and Interfaces, Thin Films Characterization and Evaluation of Materials Metallic Materials Ceramics, Glass, Composites, Natural Methods Polymer Sciences Biomaterials
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biophysics Bioengineering Biomedical Engineering

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