| | Healthcare Industry | HMOs What does the MS behind DDS stand for? The correct term is DDS, MS, which means Doctor of Dental Surgery, Master of Science. The MS is a graduate degree that can be earned in a variety of fields, including dentistry. HMOs - Related Articles What is organ reserve? How much does a cna make in mo? What is the difference in getting an RN license and a LPN license? What is a direct contract model HMO? What are the list of ISO certified Company in Philippines? How to File a Complaint on CIGNA What does the abbreviation hmu mean in txting?