Evidence based Compendium Atraumatic restorative treatment (ART Evidence based Compendium Rationale Atraumatic restorative treatment (ART) restorations follow the concept of mechanical selective caries removal by hand excavation, as well as restoration of the entire tooth cavity with high viscose glass ionomer cement (GIC), including over sealing of pits and fissures adjacent to the cavity. The procedure is considered to be minimally invasive since it does not rely on drilling and that patients require less the use of local anesthetic. Evidence based Compendium Review objective To appraise longevity of Class I ART restorations compared to Amalgam. Evidence based Compendium Search keywords Evidence based Compendium Reviewed articles Evidence based Compendium Place of origin of accepted trials Evidence based Compendium Evidence based Compendium Class I cavities of comparable size, ART restorations with high strength GIC reach the same survival rates as Amalgam. Evidence based Compendium Clinical implication ART restorations offer a good alternative to Amalgam fillings in Class I cavities.