Extreme in Endodontics – C-shaped Canals

– Melton and Fan classifications;

– Anatomic features: cross section, diameter, danger zones;

– Unexpected findings, urban legends and real dangers;

– Clinical and radiographic hints for early or late identification;

– Problems of instrumentation, cleaning and obturation and different solutions depending on variable armamentarium at clinic’s disposal;

– Scrubbing instruments as possible choice;

– Scientific researches and clinical experience;

– Hard choice of postendodontic tooth restoration;

– Clinical cases.