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n Journal of Minimum Intervention in Dentistry - Fluoride release of resin-modified GIC versus fluoride containing composite resin - a quantitative systematic review
Objectives To assess whether from restorations of comparable size, resin-modified glass ionomer cement releases more fluoride than fluoride containing composite resin.
Search strategy The trials were identified from a search of the PubMed database on 21 May 2009 using the terms: Glass lonomer Cements"[Mesh] AND "Composite Resins"[Mesh]) AND "Fluorides"[Mesh]. References of accepted articles were checked for additional studies suitable for inclusion.
Inclusion criteria Prospective 2-arm in-vitro, in-situ or in vivo trials; with relevance to review question including computable data; published in English.
Data collection and analysis The systematic literature search found 47 trials of which 32 were identified to be in line with the inclusion criteria. Of these, 30 trials (29 in vitro, 1 in vivo) could be traced for review. From the reviewed trials 466 individual datasets were extracted and analyzed.
Main results The overall result of the in vitro trials showed a generally higher fluoride-releasing efficacy of RMGIC than fluoride-containing composite resin. This was not confirmed, however, by the results of the single in-vivo trial, which showed no difference in the fluoride content of plaque adjacent to Class III restoration with either material.
Conclusions The results of the in vitro trials indicate, that resin-modified glass ionomer cements may have a higher fluoride-releasing efficacy than fluoride-containing composite resin.
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