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Grassi & Grassi P.C. is the oldest-established, continuously-operating Endodontic practice in Monroe County. Our unblemished record of care and commitment is the foundation of our success. Dr. John De Angelo and Dr. Michael D. Grassi are both long standing, and each is personable with a genuine appreciation of your concerns. They exude confidence so that all are comfortable and secure in our services. Your needs are priority number one at Grassi & Grassi where patient care, gentleness and excellence are not only words but expectations. Emergency treatment is available when it’s needed at either of our two convenient locations.