A comparative evaluation of smear layer removal by using edta, etidronic acid, and maleic acid as root canal irrigants: An in vitro scanning electron microscopic study.

J Conserv Dent · 2015 · PMC4450534 · PMID 26069414

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highly significantno p-value reported

Intragroup comparison showed highly significant difference in coronal against apical region in EDTA group, significant difference in coronal vs apical and middle vs apical in etidronic acid group.

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