Which is correct regarding smear layer.. Can be removed by MTAD Which is correct regarding smear layer: A. Can be removed by MTA B. Can be enhanced by 37% EDTA C. Can be removed by MTAD *** D. Can be removed by mta and Naoh He effectiveness of MTAD as the final irrigant to remove the smear layer. Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook