Table 2 European Society of Endodontology definitions of outcome [14].
Favourable | Clinical - No signs and symptoms of infection, no loss of function Radiological - normal PDL space around root |
Uncertain | Clinical - No signs and symptoms of infection, no loss of function Radiological - no changes or reduction in size of lesion |
Unfavourable | Clinical - Signs and symptoms of infection Radiological - lesion has increased in size or appeared subsequent to treatment. Signs of continuing root resorption. |