Conclusions ART single-surface restorations  presented high survival percentages in both primary and permanent posterior teeth , whilst ART multiple-surface restorations presented lower survival percentages .
ART sealants presented a high-caries-preventive effect .
Clinical relevance ART is an effective evidence -based option for treating and preventing carious lesions in primary and permanent posterior teeth
Objective The aim of the present study is to up date the results of two previous meta-analyses , published in 2006 and 2012 , on the survival percentages of  atraumatic restorative treatment ( ART ) restorations and ART sealants .
The current meta- analysis includes Chinese publications not investigated before .
Influence of the cavity-size on the survival rate of proximal ART restorations in primary molars.
AIM To evaluate the influence of the size of proximal cavities on the survival rate of the  atraumatic restorative treatment ( ART ) restorations . DESIGN A total of 804 children , aged 6 - 8 years , from a low socio-economic community , with an ART restorable proximal carious lesion in their primary molars , participated . Over a 3-week period , three ' experienced ' and four ' inexperienced ' operators r and omly paired with four ' experienced ' and four ' inexperienced ' assistants , made the restorations at site using h and instruments . They r and omly used Fuji IX , Ketac Molar Easymix and Ketac Molar Aplicap glass ionomer cements to restore the cavities , under r and omly selected rubber dam and cotton roll isolation methods . The fillings were independently evaluated by nine trained and calibrated evaluators . RESULTS After 1 year , the survival rate of the fillings evaluated in the study was 44.8 % . Irrespective of the other factors involved , restorations with the highest survival rate were of size between 2 and 3 mm ( mesio-distal , bucco-lingual , and depth ) or volumes 10.0 - 19.9 mm(3 ) ( Chi-square , P = 0.002 , KM mean survival of 345 days ) . CONCLUSIONS While the survival rates for class II ART restorations were still low , the choice of medium-sized proximal cavities gave better survival rates for this technique
Conclusions ART single-surface restorations  presented high survival percentages in both primary and permanent posterior teeth , whilst ART multiple-surface restorations presented lower survival percentages .
ART sealants presented a high-caries-preventive effect .
Clinical relevance ART is an effective evidence -based option for treating and preventing carious lesions in primary and permanent posterior teeth
Objective The aim of the present study is to up date the results of two previous meta-analyses , published in 2006 and 2012 , on the survival percentages of  atraumatic restorative treatment ( ART ) restorations and ART sealants .
The current meta- analysis includes Chinese publications not investigated before .