Abstract:
BACKGROUND:The aim of this study was to assess the influence of externally applied 'command set' methods on the microleakage of several glass ionomer cements (GICs). METHODS:Four different restorative GICs were cured using three different methods: standard curing (SC), ultrasonic excitation (UC) and by an external heat source (HC). Different conditioning agents (10% polyacrylic and 10% citric acid) were used. The sample comprised 180 teeth with 360 Class V restorations placed on the lingual and vestibular tooth surface. After thermocycling, the teeth were immersed in a dye solution for 24 hours, embedded in acrylic resin, sectioned and evaluated. Oberholtzer criteria were used for margin evaluation. Data were analysed using three-way ANOVA. RESULTS:The heat cured GIC showed statistically significant better marginal adaptation compared to the other tested groups (SC, UC) (p < 0.001). GICs in groups with HC and conditioned cavities had lower microleakage scores. The highly viscous material Fuji IX GP Fast in the HC and conditioned cavities group demonstrated the best marginal adaptation. The other three products reacted similarly to heating treatment. Leakage at the enamel margins was significantly lower than the cementum/dentine margins (p < 0.001). CONCLUSIONS:Heating the GIC during setting decreased microleakage, improved marginal adaptation of the GIC restoration and is suitable for clinical practice.
journal_name
Aust Dent Jjournal_title
Australian dental journalauthors
Gorseta K,Glavina D,Skrinjaric Idoi
10.1111/j.1834-7819.2012.01724.xsubject
Has Abstractpub_date
2012-12-01 00:00:00pages
453-7issue
4eissn
0045-0421issn
1834-7819journal_volume
57pub_type
杂志文章abstract::In the past decade, the utility of cone beam computed tomography (CBCT) images in oral and maxillofacial surgery has seen continuous increase. However, CBCT images are not always able to replace other imaging modalities. Based on the current published knowledge, this paper discusses advantages and limitations of CBCT ...
journal_title:Australian dental journal
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journal_title:Australian dental journal
pub_type: 杂志文章
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journal_title:Australian dental journal
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journal_title:Australian dental journal
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journal_title:Australian dental journal
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journal_title:Australian dental journal
pub_type: 杂志文章
doi:10.1111/j.1834-7819.1981.tb02443.x
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journal_title:Australian dental journal
pub_type: 杂志文章
doi:10.1111/j.1834-7819.1982.tb05247.x
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pub_type: 杂志文章
doi:10.1111/j.1834-7819.1976.tb02840.x
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journal_title:Australian dental journal
pub_type: 杂志文章
doi:10.1111/j.1834-7819.2011.01641.x
更新日期:2012-03-01 00:00:00
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doi:10.1111/j.1834-7819.2002.tb00331.x
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doi:10.1111/j.1834-7819.2008.00057.x
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更新日期:2009-09-01 00:00:00
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更新日期:2016-12-01 00:00:00
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journal_title:Australian dental journal
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更新日期:1982-12-01 00:00:00
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journal_title:Australian dental journal
pub_type: 杂志文章,评审
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更新日期:2014-09-01 00:00:00
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journal_title:Australian dental journal
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doi:10.1111/j.1834-7819.1979.tb03618.x
更新日期:1979-04-01 00:00:00
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更新日期:2018-06-01 00:00:00
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journal_title:Australian dental journal
pub_type: 杂志文章
doi:10.1111/j.1834-7819.2009.01101.x
更新日期:2009-06-01 00:00:00