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The aim of this blind, in vivo, randomized controlled trial was to evaluate the antibacterial effect of Nd:YAG laser irradiation in endodontic treatment of single-rooted teeth with apical periodontitis. The hypothesis was that mechanical enlargement of the root canal and Nd:YAG laser irradiation would yield more negative bacterial samples than conventional treatment.Forty-one patients (45 teeth) were...
The aim was to assess survival in the Swedish population of teeth treated by nonsurgical root canal treatment during 2009.Data from the Swedish Social Insurance Agency were analyzed by Kaplan-Meier analysis to assess cumulative tooth survival during a period of 5–6 years of all teeth that were root-filled during 2009.In 2009, 248,299 teeth were reported as root-filled. The average age of the patients...
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