%0 Journal Article %T Cleaning of endodontic root canal by ultrasonics and Nd:YAG laser beam with fiber optic delivery: scanning electron microscopy, endoscopic and microradiographic analysis %A Berna, Norberto %A Tosto, Sebastiano %J Proceedings of SPIE %V 2973 %N 1 %P 132-137 %@ 0277-786X %D 1997-05-15 %I SPIE %~ DeepDyve