ࡱ> 8:7q` R.bjbjqPqP2::.  *L L L L L L L $h#6 L L 6L L K L L    L  ൜]l F a0   lL Z @ 4 pL L L 66 L L L  DHDH Title:Fluoride release/uptake of conventional and resin-modified glass ionomers, and compomers Author(s): HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Gao+W&curr_doc=15/1&Form=FullRecordPage&doc=15/1" \o "one-click search" Gao W,  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Smales+RJ&curr_doc=15/1&Form=FullRecordPage&doc=15/1" \o "one-click search" Smales RJ Source:JOURNAL OF DENTISTRY 29 (4): 301-306 MAY 2001 Document Type:Article Language:English  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=PagedCitedRefList&UT=000169030900008&doc=15/1&rec_id=120166116" Cited References: 29  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=DispCitingRec&doc=15/1&isickref=120166116" Times Cited: 10  HYPERLINK "http://wos02.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=EasyRelated&UT=000169030900008&doc=15/1&rec_id=120166116"  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 levels of fluoride ions released from a range of freshly-prepared aesthetic restorative materials, and then the effects of a topical acidulated phosphate fluoride (APF) gel. Methods: Five specimens each of four conventional GICs, two resin-modified GICs, two compomers. and a resin composite (control) were assessed for their fluoride ion release over 6 weeks, before being exposed to 1.23% APF gel for 4 min and then measuring their fluoride ion levels for another 6 weeks. Results: Following an initial brief, variable burst of fluoride ion release, the rates then fell quickly for most materials and, although high rates of fluoride ion release were measured immediately following the application of APF gel. these rates also fell quickly for most materials. After 12 weeks, the mean fluoride ion levels were much lower than immediately before gel application. The APF gel treatment caused surface damage to all materials, especially to the conventional GICs. Conclusion. The results of this study suggested that much of the increased fluoride ion release found following topical exposure of the fluoridated restorative materials to APF gel was caused by surface effects rather than by chemical recharging. (C) 2001 Elsevier Science Ltd. All rights reserved. Author Keywords:glass ionomer; compomer; fluoride release KeyWords Plus:TOPICAL FLUORIDE; CEMENTS; GEL; COMPOSITES; INVITRO Addresses:Smales RJ (reprint author), Univ Hong Kong, Fac Dent, Hong Kong, Hong Kong Peoples R China Univ Hong Kong, Fac Dent, Hong Kong, Hong Kong Peoples R China Beijing Med Univ, Sch Stomatol, Dept Prosthodont, Beijing, 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:438AE ISSN:0300-5712 _aklm ! & ' ) * % 3 = F P Q w x жККККiжККiККiК,hcyhcy>*B*CJKHOJQJ^Jph2hcyhcy5>*B*CJKHOJQJ\^Jph6jhcyhcyB*CJKHOJQJU^JaJph3hcyhcy5B*CJKHOJQJ\^JaJph-hcyhcyB*CJKHOJQJ^JaJph/hcyhcy5B*CJKHOJQJ\^Jph)a % = P 9}n -.gdcy$K-1$9Da$gdcy $1$a$gdcy $1$9Da$gdcy.    u x y z {  9G}nx "-.̰̰}eeeeeeee]hcyho(/hcyhcy5B*CJKHOJQJ\^Jph6jhcyhcyB*CJKHOJQJU^JaJph-hcyhcyB*CJKHOJQJ^JaJph6jhcyhcyB*CJKHOJQJU^JaJph6jhcyhcyB*CJKHOJQJU^JaJph-hcyhcyB*CJKHOJQJ^JaJph"0182P. 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