Had a root canal which was extremely difficult and took nearly 3 hours to complete. The doctor and staff were patient (no pun intended) and they did everything in their power to make sure I had minimal to virtually no discomfort. They use modern technology, even creating my crown from a virtual photo of the affected area and then printing it from a 3-D printer. Once the 3-D crown was complete, they fitted it perfectly into my mouth, baking the crown in a kiln until it became a porcelain tooth and finally "gluing" it into place!! Impressive, huh!!! I also give them extra points for cleanliness! Yes, this a big concern of mine since I've been to many DDS whose offices were disgraceful, old, and just unsanitary.