Panitvisai, Piyanee Impact of a retained instrument on treatment outcome: a systematic review and meta-analysis. [electronic resource] - Journal of endodontics May 2010 - 775-80 p. digital Publication Type: Journal Article; Meta-Analysis; Review; Systematic Review ISSN: 1878-3554 Standard No.: 10.1016/j.joen.2009.12.029 doi Subjects--Topical Terms: Dental Instruments--adverse effectsDental Pulp CavityEquipment FailureForeign BodiesHumansRoot Canal Preparation--instrumentationTreatment Outcome