I HAD 2 ROOT CANELS YEARS AGO BY THIS DENTIST WHEN HE WAS LOCATED IN SKOKIE AND I STILL REMEMBER WHAT A GREAT EXPERIENCE FOR SUCH A DIFFICULT AND POSSIBLY PAINFUL PROCEDURE. HE IS THE BEST AND IF I EVER NEED ANOTHER ROOT CANEL I WILL TRAVEL FROM ATLANTA TO CHICAGO TO HAVE IT DONE BY DR. GREENBERG!