Let Us Introduce Ourselves


The team at Cincinnati Dental Milling, LLC, is proud to provide you with superior products and expert consultation.

We strive to serve as your competent, consistant and reliable partner in business.

Our Team


Mark J. Rothan, CDT


Partners in the lab, as well as in life, Mark and Regina Rothan’s talents complement each other perfectly. Mark is a true artisan, Nationally Board Certified in Dental Laboratory Technology, with stunning technical skills, a “can do” attitude, and an in depth understanding of dental anatomy, physiology, and materials. Regina is a consummate business professional with boundless enthusiasm, who excels at organizational and managerial tasks and has a detailed understanding of laboratory practices and procedures. Together, they routinely provide flawless client satisfaction.


Outside the lab, Mark is a talented musician, accomplished vocally and at guitar and piano. He is also a radio controlled aircraft enthusiast. As a couple, they are raising five “loving and successful” children, are active in their church, look forward to annual get-togethers with their extended family, and enjoy being together, particularly on the golf course!

Regina Cosby Rothan,

VP and Office Manager

Luke Rothan,
Senior CAD/CAM Dental Technician


Luke Rothan joined our staff in 2008, and currently heads up our CAD/CAM Design Department.  With his degree in Natural Sciences, and his exceptional computer skills, he is a valuable asset to our lab operations.



John Rothan,

CAD/CAM Dental Technician


John joined our team in 2013 and he is responsible for our optical scanning and NC milling operations. His enthusiasm and computer skills have resulted in a very robust CAD/CAM department.