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Article: Effects of artificial saliva and APF gel on the surface roughness of newer glass ionomer cements

TitleEffects of artificial saliva and APF gel on the surface roughness of newer glass ionomer cements
Authors
Issue Date2004
PublisherOperative Dentistry. The Journal's web site is located at http://www.jopdent.org
Citation
Operative Dentistry, 2004, v. 29 n. 6, p. 661-668 How to Cite?
AbstractObjectives: To investigate the surface roughness changes of newer esthetic dental restorative materials with aging and acid erosion in a simulated oral environment. Methods: The materials included two viscous conventional glass ionomer cements originally marketed for the ART approach, one resin-modified glass ionomer cement and two resin composites. Ten specimens for each material were prepared according to the manufacturers' instructions, then each specimen was immersed in 2 ml of buffered artificial saliva at 37°C for three weeks. For each material, five specimens (Group B) were then coated with 1.23% acidulated phosphate fluoride (APF) gel for four minutes, rinsed and immersed again in artificial saliva for another three weeks. Gel was not applied to the Group A specimens. For each material, the surface roughness of an additional three fresh specimens and those from Groups A and B were evaluated using a profilometer and SEM. Results: The resin composites showed the least effects of acidic corrosion on their surface texture. The viscous glass ionomer cements showed the greatest changes, with significantly increased surface roughness p<0.001). Conclusions: The immersion of two newer viscous GICs in a buffered artificial saliva and the single application of APF gel resulted in significantly rougher surfaces over a relatively short six-week period.
Persistent Identifierhttp://hdl.handle.net/10722/66323
ISSN
2015 Impact Factor: 2.819
2015 SCImago Journal Rankings: 0.641
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYip, HKen_HK
dc.contributor.authorTo, WMen_HK
dc.contributor.authorSmales, RJen_HK
dc.date.accessioned2010-09-06T05:45:24Z-
dc.date.available2010-09-06T05:45:24Z-
dc.date.issued2004en_HK
dc.identifier.citationOperative Dentistry, 2004, v. 29 n. 6, p. 661-668en_HK
dc.identifier.issn0361-7734en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66323-
dc.description.abstractObjectives: To investigate the surface roughness changes of newer esthetic dental restorative materials with aging and acid erosion in a simulated oral environment. Methods: The materials included two viscous conventional glass ionomer cements originally marketed for the ART approach, one resin-modified glass ionomer cement and two resin composites. Ten specimens for each material were prepared according to the manufacturers' instructions, then each specimen was immersed in 2 ml of buffered artificial saliva at 37°C for three weeks. For each material, five specimens (Group B) were then coated with 1.23% acidulated phosphate fluoride (APF) gel for four minutes, rinsed and immersed again in artificial saliva for another three weeks. Gel was not applied to the Group A specimens. For each material, the surface roughness of an additional three fresh specimens and those from Groups A and B were evaluated using a profilometer and SEM. Results: The resin composites showed the least effects of acidic corrosion on their surface texture. The viscous glass ionomer cements showed the greatest changes, with significantly increased surface roughness p<0.001). Conclusions: The immersion of two newer viscous GICs in a buffered artificial saliva and the single application of APF gel resulted in significantly rougher surfaces over a relatively short six-week period.en_HK
dc.languageengen_HK
dc.publisherOperative Dentistry. The Journal's web site is located at http://www.jopdent.orgen_HK
dc.relation.ispartofOperative Dentistryen_HK
dc.titleEffects of artificial saliva and APF gel on the surface roughness of newer glass ionomer cementsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0361-7734&volume=29&issue=6&spage=661&epage=668&date=2004&atitle=Effects+of+artificial+saliva+and+APF+gel+on+the+surface+roughness+of+newer+glass+ionomer+cementsen_HK
dc.identifier.emailYip, HK: kevin.h.k.yip@hkusua.hku.hken_HK
dc.identifier.authorityYip, HK=rp00027en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid15646222-
dc.identifier.scopuseid_2-s2.0-12344286896en_HK
dc.identifier.hkuros105293en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-12344286896&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume29en_HK
dc.identifier.issue6en_HK
dc.identifier.spage661en_HK
dc.identifier.epage668en_HK
dc.identifier.isiWOS:000225727300010-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYip, HK=25423244900en_HK
dc.identifier.scopusauthoridTo, WM=7004294517en_HK
dc.identifier.scopusauthoridSmales, RJ=7005372382en_HK

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