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Treatment of Apical Periodontitis. Chemo-mechanical instrumentation Standardized technique 1% NaOCl + EDTA + Ca(OH) 2. Large lesion Resorption, etc. 3-4 weeks Symptomatic Canal not dry Fistula not closed. 3-4 weeks Asymptomatic Canal dry Fistula closed. Ca(OH) 2
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Treatment of Apical Periodontitis Chemo-mechanical instrumentation Standardized technique 1% NaOCl + EDTA + Ca(OH)2 Large lesion Resorption, etc. • 3-4 weeks • Symptomatic • Canal not dry • Fistula not closed • 3-4 weeks • Asymptomatic • Canal dry • Fistula closed Ca(OH)2 3 - 6 mnths Microbiologic sample Clinical and Radiographic Signs of Healing 1 wk results Obturation Antibiotics Surgery + Antibiotics Clinical Endodontics, L. Tronstad