Meet The Doctors

All the doctors and staff are committed to continuing education and all the Doctors are members of the Charlotte Implant Study Club. We are striving to offer excellence in dentistry to our patients, make them feel comfortable and help them with important decisions about their oral health.


Dr. Richard K. Caldwell was born and raised in Gastonia, North Carolina. He attended Ashbrook High School (1973), University of North Carolina-Chapel Hill (1977) with a degree in Chemistry, and Emory University School of Dentistry (1981).

After graduation from Emory, Dr. Caldwell began his private practice in Matthews, North Carolina. In 1989, the practice opened in its current location in the Arboretum Professional Park. As a member of the Charlotte Implant Study Club and through continuing education courses, he keeps up to date with the latest trends in dentistry.

Dr. Caldwell is married to Shawn Gray Caldwell and has three sons. He enjoys photography, golf, hiking and going to the lake with his dogs.

Dr. Brad Bills was born in Indianapolis, IN. After some time in Denver, CO, he and his family relocated to Charlotte, North Carolina in 1983. He is a graduate of South Mecklenburg High School in Charlotte and earned his BS and DDS degrees at the University of North Carolina-Chapel Hill. Following his doctorate, Dr. Bills worked in a one year Hospital Residency at the Indianapolis VA Hospital.

Dr. Bills returned from his residency to become a partner with the practice in 1997. He is passionate about his practice and profession. He enjoys helping adults with complex cosmetic and restorative procedures as well as children’s visits.

Dr. Bills and his wife, Wendy, have three children. In his spare time, Dr. Bills enjoys running, traveling, CrossFit, community service, church and family activities.

Dr. David Petrilli was born and raised in Florida and is the youngest of seven children. After high school, he attended the University of Florida earning his Bachelors of Science in Biology, and his Doctorate in Dental Medicine from the College of Dentistry in 1998.

Upon graduating from dental school, Dr. Petrilli returned to his hometown of Longwood, Florida just outside of Orlando to practice general dentistry with one of his older brothers. After being in practice for 3 ½ years, he decided to move to Charlotte, North Carolina in search of four seasons and to be closer to his oldest brother. Shortly after moving to Charlotte, he joined Drs. Caldwell & Bills in private practice. He is currently a member of Charlotte Implant Study Club.

Dr. Petrilli has been married to his wife, Krystin, since 2004 and has three children. He enjoys family activities, Florida Gators sports, New York Yankees baseball, golf, exercise, and landscaping.