title: Efficacy of biomechanical instrumentation: a scanning electron microscopic study.
mesh_terms: D003646:Debridement / Q000592:standards*; D003786:Dental Pulp Cavity / Q000648:ultrastructure*; D006801:Humans; D066298:In Vitro Techniques; D008855:Microscopy, Electron, Scanning; D012390:Root Canal Therapy / Q000592:standards; D007507:Therapeutic Irrigation; D014092:Tooth Root