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Meet Our Team




Christopher Bart, D.M.D.

Dr. Christopher Bart, DMD is a 1989 graduate of the University of Pittsburgh School of Dental Medicine. After dental school he completed two residencies, one in general practice at Western Reserve Care System in Youngstown, Ohio and the second in anesthesia at Metro Health Medical Center in Cleveland, Ohio. Dr. Bart is on the advisory board for the Youngstown State University dental hygiene program. He is a past Board Member of The Corydon Palmer Dental Society, an adviser to The Choffin School of Dental Assisting and a past president of The Warren Dental Society.

John Brooke, D.D.S.

Dr. John Brooke attended The Ohio State University and graduated as a Genetics major. Dr. Brooke was accepted into Case Western in 1973 after three years of undergraduate studies.   He was awarded a B.S. in Dental Sciences from Case in 1975 and D.D.S. in 1977.  Dr. Brooke stayed on part-time faculty at Case in Dental Anatomy and was also an associate clinical instructor in fixed prosthodontics for two years.   He now has 32 years of private practice and is currently practicing at Portage Dental Center.

Outside of dentistry, Dr. Brooke has two sons, one married in California, and the other a student at Bowling Green. He is involved with volunteer work through church and enjoys travel.

Sylvia Kramer, D.D.S.

Dr. Sylvia Malcmacher Kramer has been practicing clinical and academic dentistry since 1982 when she graduated from Case Western Reserve University School of Dentistry.  Dr. Kramer's interest is in pediatric dentistry after serving the foster children in Akron at the dental clinic of Summit County Children Services. In addition, she has been a clinical instructor at Lakeland Community College for the past seventeen years.

David Rosenberg, D.D.S.

David Rosenberg, D.D.S. earned a Dental Degree from Case Western Reserve Dental School in 1988 and his Undergraduate Degree, a B.S. in Psychology from The Ohio State University in 1974.  He is the proud father of 1 son, Zachary, age 22.
Dr. Rosenberg has been working for On Site Dental Inc. since 1990, which is a mobile dentistry service for county jails and nursing homes. 

Since 2004, he has also worked at Portage Dental Center focusing on general practice dentistry doing endodontics, oral surgery, crowns, bridges, restorative procedures and dentures.

Dr. Rosenberg has done much volunteer work. From 1986-1994, he volunteered at Free Dental Clinic in Cleveland Ohio including an upcoming trip to Israel in March of 2012 to volunteer at their free clinic.
 Aside from work, he was president of Chess Club at Youngstown State University from 1967-1970 and has been enjoying playing golf the last 25 years.

Corey Stafford, D.M.D.

Dr. Stafford is from Canton, Ohio and graduated from Jackson High School. Following his graduation in 2000, he enlisted in the Ohio Army National Guard and is currently a Captain in the Dental Corps.

He earned his Doctor of Dental Medicine degree from Case Western Reserve University and did a general practice residency at Mercy Medical Center. In his free time, a few of his interests include running, watching movies, reading, playing the drums and learning Spanish. He is currently working towards his Fellowship in the Academy of General Dentistry.

Ronald M. Thompson, D.D.S.

Dr. Thompson was born in 1968 in nearby Ravenna. Raised on a dairy farm, he enjoyed his childhood while learning the value of hard work. After graduating from Ravenna High School, he studied chemistry at Kent State University, followed by earning his Doctorate of Dental Surgery from The Ohio State University in 1997.

After dental school, Dr. Thompson began to study with some of the most progressive minds in the dental profession. It is these postgraduate experiences that have shaped Dr. Thompson's practice. He has studied extensively at the prestigious Las Vegas Institute and is a member of the American Academy of Cosmetic Dentistry, the International Association of Orthodontics and is a founding partner of the Northeast Ohio Neuromuscular Study Club.

Dr. Thompson and his wife reside in Stow with their two small children.

Sandon Wiedemann, DMD

Dr. Sandon Wiedemann was born and raised in a small community in Southern Alberta, Canada.  After graduating high school in 2004, he moved to Edmonton where he attended the University of Alberta and graduated with a B.Sc. in Physiology and Development.  Dr. Wiedemann then moved across the continent to Cleveland where he earned his Doctor of Dental Medicine degree from Case Western Reserve and upon his graduation was awarded a scholarship for Excellence in Clinical Achievement.  

Dr. Wiedemann is committed to providing high quality care in a relaxed environment for each and every patient.  He is currently a member of the Ohio Dental Assocation and American Dental Association and looks to expand on his past leadership roles at Case Western to the larger dental community.  In his spare time, Dr. Wiedemann enjoys volunteering locally at the Free Clinic of Cleveland or abroad and looks forward to giving back to the community for years to come.  Growing up near the Canadian Rockies, he also enjoys many outdoor activities such as camping, hiking, snowboarding and golf to name a few.



Nikki Hartline, RDH

Nikki Hartline is a graduate of West Liberty University with a Bachelor's degree in Dental Hygiene. She was born and raised in New Philadelphia, Ohio before moving north after graduating college. She enjoys living an active and healthy lifestyle, and volunteers coaching for the Tuscarawas County Volleyball club. With her attention to detail and caring personality, she is a favorite among patients, both young and old. Nikki's favorite part of her job is creating a personal relationship with patients and hearing about their life and family.

Brittany Plants, RDH

Brittany received her hygiene degree from Youngstown State University graduating with honors. She was awarded the Golden Scaler Outstanding Clinician award from the faculty at YSU. Brittany was an active member in the National Society of collegiate Scholars and Golden Key National Honor Society.

Growing up in Canfield, Ohio, Brittany spent most of her time involved in many extracurricular activity and competitive dance for sixteen years. She spends most of her time baking in the kitchen. She loves animals and traveling to new places.

Brittany enjoys getting to know her patients and working with children. She is known for her gentle touch and caring personality. Brittany really enjoys her career and always puts her patients first!

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Dentist office photos

dentist office photo

Dentist office photos