Welcome To The Office Of Dr. Mark S. Dill. We would like to extend a very warm welcome to you from the office of Dr. Mark S. Dill. By working closely together, our dentists and staff are dedicated to caring for the dental health of our patients, friends, and neighbors from all over Cleveland, TN. We intend for every one of our patients, young and not-so-young, to feel completely comfortable while keeping their dental health in top-notch condition.