Our Greenville Dental Sleep Center dentists are highly trained in the prevention and treatment of snoring, sleep apnea, and other related conditions. We partner with board certified sleep physicians to make the best decisions for treatment of your sleep disordered breathing.  Our main priority is your overall health and our ability to help you attain your goals —including a good night's rest!  Both of our doctors are members of the American Academy of Dental Sleep Medicine.  You can learn more about our dentists on this page.

William E. Williams, DDS

Dr. Williams is a native of Greenville. He earned his undergraduate degree from the University of North Carolina at Chapel Hill. He received his DDS from the University of North Carolina School of Dentistry. Dr. Williams is also an alumnus of the L.D. Pankey Institute, a post-doctoral training facility that focuses on predictable and relationship-based dentistry.

He is presently an adjunct faculty member at the University of North Carolina School of Dentistry. He also

has served as Assistant Clinical Professor at the East Carolina University School of Medicine.

Dr. Williams has been actively involved in organized dentistry for over thirty years. He is a member and currently the President-Elect of the North Carolina Dental Society.  He serves as a delegate to the American Dental Association for North Carolina.  He is also a fellow in the American College of Dentists, the International College of Dentists, and the Pierre Fauchard Academy.

He opened his dental practice in Greenville in 1985. Dr. Williams and his wife Martha are active members of St. Paul’s Episcopal Church. They enjoy traveling and spending time with their two children, Ward and Martha Ann.

Dental Sleep Practice Magazine Article - Summer 2015


Mark D. Pabst, DDS

Dr. Pabst earned his undergraduate degree from East Carolina University. He received his DDS from the University of North Carolina School of Dentistry. Dr. Pabst has been actively involved in organized dentistry for the past twenty years.

Dr. Pabst is a member and currently serves as Parliamentarian for the North Carolina Dental Society. He is a fellow in the American College of Dentists and the International College of Dentists.  He is also involved in various service organizations in the Greenville community.

He opened his dental practice in Greenville in 1994. Dr. Pabst and his wife Mary Jon are members of First Presbyterian Church in Greenville and both serve in various areas of the church. They enjoy tennis, golf, and spending time with their three children, Jennifer, Jessica, and Samantha.