Buffalo Endodontist | Root Canal Specialist Precision Endodontics P.C. is Western New York’s premier state-of-the-art endodontic dental office providing the finest endodontic (root canal) treatment available in a comfortable and relaxed environment. At Precision Endodontics, we believe that all dental treatment should be painless and comfortable. We expect that your entire experience from the time you choose to make us a part of your dental team until the completion of your treatment will be smooth, painless and precise. Let Buffalo Endodontists Dr. Aaron McCann, Dr. Michael Gengo and Dr. Constance Wentworth save your teeth.