Dr. Mark C. Nielsen, D.D.S. practices general family dentistry. Serving Pierre and surrounding area for over 25 years. We value your time as much as ours. We strive to keep your appointment on time. New patients are always welcome. Some of our services in include: Teeth cleaning Extractions Veneers Periodontal evaluations One appointment crowns Root canals We are conveniently located in downtown Pierre near the river. We offer competitive fees and financing available through Care Credit Thank you for visiting our site. please call us today for your initial consultation. We know you will find our staff friendly and professional.