Search for: [Abstract = "tricity in the prepared canals. However, as mentioned earlier, most root canals are still prepared using conventional hand instruments. That is because mastering any new endodontic method is always related to the individual’s learning curve. The use of Lightspeed instruments and the step\-back technique involving stainless steel files in clinical trials has not been assessed before. The aims of the study were\: • to compare the Lightspeed system with the step\-back technique involving stainless steel files with respect to quality of the dentist’s work, patient comfort, length of treatment, and side\-effects. • to assess the quality of root canal fillings and the healing of periapical tissue after six months in each group. Patients admitted to our out\-patient clinic requiring endodontic treatment were constitutively included into the study. 75 root canals in 75 patients were qualified randomly into two groups. \:37 in the Lightspeed group \(method I\) and 38 in the stainless steel group \(method 2\). The indications for endodontic treatment were similar in both groups\: pulpitis irreversibilis, necrosis of the pulp, inflammation of the periapical tissues and fracture of the tooth crown. The periapical area of each root canal was attributed to a specific class according to the PAI Index. Endodontic treatments was performed according to the following procedures\: • X\-ray asses"]

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