Great Lakes Family Dental Group ~ DeWitt’s Team

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Dr. C. Patrick Gray

Dr. C. Patrick Gray graduated from the University of Michigan School of Dentistry with a Doctor of Dental Science degree. He received many honors and awards. Dr. Gray is a member of the American Dental Association and the Michigan Dental Association. Dentistry is Dr. Gray’s passion, and he shows this every day in the personal care he gives to his patients and the generosity he extends to the community. Dr. C. Patrick Gray has taken many advanced dental courses to stay up-to-date on the latest techniques. He is a general dentist who also treats TMJ (Temporomandibular Joint Dysfunction), orthodontics, endodontics, and many surgical procedures, including wisdom teeth extractions. Dr. C. Patrick Gray is happily married and has six beautiful children. In his spare time, he enjoys spending time with his family, golfing, health and fitness, and is an avid University of Michigan football fan.
Dr. C. Patrick Gray’s Awards:
  • Alpha Omega Fraternity – for excellence in scholarship for attaining the highest school scholastic standing in his four years of dental study at the University of Michigan Dental School Ormirron
  • Kappa Epsilon – honorary dental society Phi Kappa Phi – member of the honor society Wilfrid T.
  • Dempster Memorial Award – for excellence in Freshman Dental Anatomy
Dr. C. Patrick Gray’s Certifications:
  • United States Dental Institute
  • The American Academy of Head, Facial and Neck Pain and TMJ Orthopedics
  • International College of Cranio-Mandibular Orthopedics

Dr. James J. Allor

Dr. Allor received his Bachelor’s of Nutritional Sciences degree from the Michigan State University then went to graduate from the University of Detroit Mercy School of Dentistry. Dr. Allor participated in an advanced periodontal clerkship which included crown lengthening, osseous surgery, and implant treatment planning. Prior to that his humanitarian calling was met as he traveled to Haiti with other dental peers for a short time. In addition to his love of weightlifting, in his spare time Dr. Allow is quite the outdoor enthusiast as he enjoys hunting, fishing, snowmobiling, and skiing. He will soon be a member of the DeWitt community and will make this his personal residence.

Dr. Daniel R. Sadler – Care, Comfort, and Expertise

Dr. Sadler is a 1978 graduate of University of Detroit, a member of the American Dental Association, Michigan Dental Association, Central Distric Dental Society, International Association for Orthodontics, and The American Academy of Dental Sleep Medicine. He also volunteers his service at the Carefree Dental Clinic. He has lectured both at Lansing Community College and MSU on Headache and Jaw Pain issues. Before coming to Great Lakes Family Dental, he had his own practice for 38 years in East Lansing. He continues to take many hours of continuing education every year to keep up to date and incorporate the latest techniques into the office.

Dr. Sadler is married to Lindsay, they have two grown daughters, Abbie and Liz and a number of grand dogs and cats. He enjoys hiking, kayaking, golf, travel, and snow-shoeing in the winter. A good joke or story is alway welcome and he enjoys spending time with each patient to get to know them better as a person and ultimately a friend.

He spend a number of year in DeWitt before attending Dental School as his family moved into the Lake Geneva subdivision in 1972, they remained in the area until his dad retired and moved to Gaylord in the early 90’s. He looks forward to spending the remainder of his dental career helping the great people in the area obtain the dental health they desire.

We take pride in the comfortable, caring environment our office provides for you during your dental visit.



8 a.m. – 6 p.m.
8 a.m. – 6 p.m.
8 a.m. – 6 p.m.
8 a.m. – 3 p.m.
8 a.m. – 3 p.m. once/mo


13400 Schavey Rd DeWitt, MI 48820