ࡱ> ?A>q` RbjbjqPqP2::  %*L L L L L L L V%X%X%X%X%X%X%$'hi)$|% L L |%L L % *L L V% V%L  @A"V%%0%***$L hF T L L L |%|% L L L % DHDH Title:In vitro caries inhibition at the enamel margins of glass ionomer restoratives developed for the ART approach Author(s): HYPERLINK "http://wos23.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Smales+RJ&curr_doc=47/1&Form=FullRecordPage&doc=47/1" \o "one-click search" Smales RJ,  HYPERLINK "http://wos23.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Gao+W&curr_doc=47/1&Form=FullRecordPage&doc=47/1" \o "one-click search" Gao W Source:JOURNAL OF DENTISTRY 28 (4): 249-256 MAY 2000 Document Type:Article Language:English  HYPERLINK "http://wos23.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=PagedCitedRefList&UT=000086382800006&doc=47/1&rec_id=114542140" Cited References: 34  HYPERLINK "http://wos23.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=DispCitingRec&doc=47/1&isickref=114542140" Times Cited: 8  HYPERLINK "http://wos23.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=EasyRelated&UT=000086382800006&doc=47/1&rec_id=114542140"  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/relrec.gif" \* MERGEFORMATINET  HYPERLINK ""  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/info.gif" \* MERGEFORMATINET  Abstract:Objectives: To assess the ability of conventional glass ionomer cements manufactured specifically for the atraumatic restorative treatment (ART) approach to inhibit the in vitro demineralization of enamel. Methods: Twenty-four sound permanent premolar teeth, extracted for orthodontic reasons, had cervical cavities (4 x 2 x 1.5 mm(3)) prepared in enamel. These were restored with Fuji IX, Fuji IX GP, Ketac-Molar and Compoglass, and then thermocycled 300 times between 5-55 degrees C before being placed in a demineralizing solution (0.1 M lactic acid with 1 g/l dissolved hydroxyapatite at pH 4.7) for four weeks. Buccolingual planoparallel sections were cut axially through the restorations, and subsequently lapped to approximately 100 mu m thickness. The sections were examined with a polarized light microscope, and lesion measurements made using image analysis software. ANOVA and coefficients of variance were used to compare the findings. Results: Compoglass and Ketac-Molar showed significantly less surface erosion than did the other two cements (p < 0.0001). Inhibition of enamel demineralization immediately adjacent to the restoration margins was more frequent with the glass ionomer cements (20.5-25.0%) than with Compoglass (13.0%). However, the widths of the inhibition zones varied between materials and sites. Conclusions: Fluoride ion release from the restorative materials afforded some degree of protection to the adjacent enamel against in vitro demineralization. (C) 2000 Elsevier Science Ltd. All rights reserved. Author Keywords:caries inhibition; glass ionomer; atraumatic restorative treatment KeyWords Plus:FLUORIDE-CONTAINING MATERIALS; CLASS-II RESTORATIONS; IN-VITRO; SECONDARY CARIES; FUJI-IX; RELEASE; CEMENTS; LESIONS Addresses:Smales RJ (reprint author), 19A Wattle St, Adelaide, SA 5063 Australia Univ Hong Kong, Prince Philip Dent Hosp, Hong Kong, Hong Kong Peoples R China Beijing Med Univ, Sch Stomatol, Dept Prosthodont, Beijing, 100081 Peoples R China Publisher:ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND Subject Category:DENTISTRY, ORAL SURGERY & MEDICINE IDS Number:302TY ISSN:0300-5712 tv9 : C D F G    : H R [ e f    жККККiжККiККiК,hWhW>*B*CJKHOJQJ^Jph2hWhW5>*B*CJKHOJQJ\^Jph6jhWhWB*CJKHOJQJU^JaJph3hWhW5B*CJKHOJQJ\^JaJph-hWhWB*CJKHOJQJ^JaJph/hWhW5B*CJKHOJQJ\^Jph)v : R e : a?ugdW$K-1$9Da$gdW $1$a$gdW $1$9Da$gdW , - .  ao?Pṵ̰}eeeeeeee]hWhDo(/hWhW5B*CJKHOJQJ\^Jph6jhWhWB*CJKHOJQJU^JaJph-hWhWB*CJKHOJQJ^JaJph6jhWhWB*CJKHOJQJU^JaJph6jhWhWB*CJKHOJQJU^JaJph-hWhWB*CJKHOJQJ^JaJph"0182P. 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