His father goes by the name, Malcolm Strange.
I’m pretty sure this is the same Dr. David M. Strange, Jr. that is referred to working at Pediatric Dental Group of Colorado. PDC has 7 locations in Colorado.
Here is the bio of the Dr. David Strange at Kool Smiles:
Dr. David M. Strange, Chief Dental Officer
Dr.David M Strange is a board certified pediatric dentist. He received his Doctor of Dental Surgery degree from the University of Colorado Health Sciences Center along with his certificate of Pediatric Dentistry from the Children's Medical Center in Dallas, TX and his MS from the Baylor College of Dentistry. Dr Strange was formerly an Associate Clinical Professor at the University of Colorado Health Sciences Center and previously served on the Constitution and By-Laws Committee of the American Academy of Pediatric Dentistry. He is currently serving on theCouncil for Dental Benefits of the American Academy of Pediatric Dentistry and the Virginia Dental Advisory Committee for the Smiles for Children Dental Medicaid program. Dr Strange is also a member in good standing with the American Dental Association, the American Academy of Pediatric Dentistry, the Colorado Academy of Pediatric Dentistry, the Georgia Dental Association and the Southwestern Society...