Removal of inorganic substances by chelation (EDTA-Ca 2+) Easier instrumentation by softening dentin canal wall Produces the cleanest dentinal walls after smear layer removal Presence of calcification in the canal Narrow canals on posterior teeth Smear layer removal Root canal cleaning MD-Cleanser: 100 mL 1cc syringe Disposable tips EDTA, Water, Ammonia water Two years from the production date

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