Dentist in Mansfield, OH
PUBLISHED AUTHOR AND LECTURER:
- Associate Editor of a newsletter from Excellence in Dentistry
- Author of numerous articles in national dental publications
- Guest Lecturer at dental schools
- Has lectured throughout the U.S. and Canada on High Tech Dentistry
- Advisory Board, “Advanced Learning Technologies, Inc.”

MEETING THE HIGH STANDARD OF THE DENTAL PROFESSION
- Member of the American Dental Association, Central Ohio Dental Association and past President of the Mansfield Dental Society
- Founding member of The Dr. Woody Oakes Lecture Series
- Accepted into the 6-year dental program at Case Western Reserve University and graduated with a Bachelor of Science and Doctor of Dental Surgery degree at the age of 23, making him the youngest dentist in the state of Ohio.
- First dentist in the Mansfield area to use Intra-Oral TV, “Filmless” computerized dental radiography and air abrasion “drilless” dentistry and electronic anesthesia
- Uses Nitrous Oxide without IV’s to relax his patients if needed.
ACTIVE IN THE COMMUNITY
- Kiwanis Club, past board member, two-time Kiwanian of the Month Award
- Chamber of Commerce – Past Membership Award
- Alumni of Leadership Unlimited
- Member of Crossroads Community Church
- Member of American Academy of Cosmetic Dentistry
- Member of the Academy of General Dentistry
PERSONAL
A lifelong resident of the Mansfield area, Dr. Callen graduated from Malabar High School. In addition to his work in dentistry, he enjoys renovating homes through his company, Black Dog Properties.
Dr. Callen also hosts a Facebook group for dental professionals with approximately 1,500 members. Through the group, he shares clinical and practice-management advice with dentists across the United States and around the world.
Dr. Callen and his wife, Lynn, have six adult children and four grandchildren. Lynn serves as an area manager for a physical therapy and rehabilitation company, overseeing clinics across three states. Together, the Callens enjoy traveling, spending time with their grandchildren, and gathering with friends and family at Lake Erie during the summer.


