Blomlöf, J P Smear removal and collagen exposure after non-surgical root planing followed by etching with an EDTA gel preparation. [electronic resource] - Journal of periodontology Sep 1996 - 841-5 p. digital Publication Type: Journal Article ISSN: 0022-3492 Standard No.: 10.1902/jop.1996.67.9.841 doi Subjects--Topical Terms: Acid Etching, Dental--methodsCollagen--chemistryDentin--drug effectsEdetic Acid--pharmacologyErythrocytes--drug effectsHumansHydrogen-Ion ConcentrationPeriodontal Diseases--therapyProtein Conformation--drug effectsRoot PlaningSmear LayerSurface PropertiesTooth Root--drug effectsTrypsin--pharmacologyWound Healing