Dr. Kelly Crenna, DDS

Dr. Kelly Crenna is a two-time graduate of the University of Michigan, earning her Bachelor of Science in Biopsychology and Women’s Studies as well as her Doctorate of Dental Surgery from the School of Dentistry. Originally from Chicago, she quickly fell in love with Ann Arbor during her time as a student (like many do!) and chose to make it home.

Dr. Crenna enjoys all aspects of dentistry and is known for creating a personalized, thoughtful experience for patients of all ages. She works closely with a trusted network of specialists throughout Ann Arbor to ensure even the most complex cases are handled with intention and collaboration.

Dr. Crenna is currently completing the advanced Kois Center Continuum in Seattle—an advanced program focused on comprehensive, evidence-based dentistry. In addition, she dedicates significant time each year to advanced training in diagnosis, Invisalign and modern digital dental techniques, allowing her to deliver care that is both comprehensive and highly individualized.

She is a member in good standing with the American Dental Association, Michigan Dental Association, and Washtenaw District Dental Society. Above all, Dr. Crenna is deeply committed to continuous growth—bringing the very best of dentistry back to her patients in a way that feels approachable, transparent, and grounded.

Outside of the office, Dr. Crenna leads an active lifestyle. She is part of Ann Arbor’s biking community and enjoys exploring Michigan’s outdoors. You’ll often find her walking in the Arb with her three dogs or catching up with friends over coffee at Dozer.

Dr. Wieczerza, DDS

Dr. Kevin Wieczerza was born in Michigan but spent most of his childhood in Clifton Park, New York.  After earning a Bachelor of Science in Biology from Northeastern University in Boston, he completed his Doctorate of Dental Surgery at the University of Michigan School of Dentistry.  Dr. Wieczerza met his wife Cassandra Wieczerza, DDS, MS in dental school, and they now both practice and live in Ann Arbor.  

Following dental school, Dr. Wieczerza completed a one-year residency in general dentistry at Fort Sill, Oklahoma with the US Army where he encountered various aspects of digital dentistry (including the fabrication of same-day crowns), periodontics, prosthodontics, and more.  After residency, Dr. Wieczerza served as a Brigade Combat Team dentist with the 3d Cavalry Regiment at Fort Hood, Texas for two years before finishing his Army service at Fort Carson, Colorado.  At Fort Carson, Dr. Wieczerza was both an Infection Control Manager and Officer In Charge of one of four dental clinics on post.   Dr. Wieczerza served as a Captain and regards his time in service as one of the most valuable experiences of his life.

Dr. Wieczerza and his family have established firm grounding in Ann Arbor.  Together, they enjoy being outside, family board games, and spending time with their golden retrievers named Frank and Beans.  They enjoy all things Michigan has to offer including lake time, bike riding, summer sports, ice hockey, and more.  

Commitment to ideal clinical outcomes is at the forefront of Dr. Wieczerza’s mind as a dentist.  He strives to ensure all patients feel heard and are welcomed into a warm treatment environment.  As a lifelong learner, Dr. Wieczerza is a member of the American Dental Association, Michigan Dental Association, and Spear Study Club. 

Dr. Kevin Sloan, DDS, MS

Dr. Sloan has officially retired as of February 2026 but you will still see him around the halls of AADC and we continue to honor his legacy. Dr. Sloan earned his DDS from the University of Michigan School of Dentistry in 1982, and a Masters Degree in Crown & Bridge Prosthodontics in 1985, also from the University of Michigan. Dr. Sloan is a former faculty member of the U of M School of Dentistry where he taught Crown & Bridge Prosthodontics for over 10 years. He also has maintained his private practice in Ann Arbor since 1982. A lifetime student of Dentistry, Dr. Sloan is committed to continuing education and is currently the Chairman of the Michigan Dental Association Committee on Continuing Education.

Dr. Sloan is a member in good standing of the American Dental Association, American Academy of Fixed Prosthodontics, Francis B. Vedder Society of Crown and Bridge Prosthodontics, the Michigan Dental Association, Richard H. Kingery Prosthodontics Study Club, and Washtenaw District Dental Society.