| Enhancement effect of pre-reacted glass on strength of glass-ionomer cement. | |
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MedLine Citation:
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PMID: 22277616 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this paper, we report on the enhanced strength of glass ionomer cement (GIC) by using the process of pre acid-base reaction and spray drying in glass preparation. The pre acid-base reaction was induced by prior mixing of the glass powder with poly(alkenoic acid). The weight ratios of glass powder to poly(alkenoic acid) were varied to investigate the extent of the pre acid-base reaction of the glass. The effect of the spray drying process which produced spherical glass particles on cement strength was also studied and discussed. The results show that adding 2%-wt of poly(alkenoic acid) liquid in the pre-reacted step improved cement strength. GICs prepared using a mixture of pre-reacted glass with both spherical and irregular powders at 60:40 by weight exhibited the highest compressive strength at 138.64±7.73 MPa. It was concluded that glass ionomer cements containing pre-reacted glass with mixed glass morphology using both spherical and irregular forms are promising as restorative dental materials with improved mechanical properties and handling characteristics. |
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Authors:
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Naruporn Monmaturapoj; Wiwaporn Soodsawang; Siriporn Tanodekaew |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-21 |
Journal Detail:
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Title: Dental materials journal Volume: - ISSN: 1881-1361 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8309299 Medline TA: Dent Mater J Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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National Metal and Materials Technology Center (MTEC). |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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