Dr. Seal has been in private practice for over 25 years. His practice is limited exclusively to the specialty of fixed prosthodontics. This specialty of dentistry includes crowns, bridges, veneers, dentures, full mouth reconstruction, cosmetic dentistry, and implant restoration.

Having developed and patented dental implant components, Dr. Seal has lectured extensively throughout North America and Europe on esthetics and implants. He has lectured for prestigious organizations such as the American Prosthodontic Society, the American Dental Association, the Swiss Implant Society, and the German Dental Association. Dr. Seal has contributed to dental texts and developed prosthodontic systems for major implant manufacturers.

After receiving his dental degree with honors, Dr. Seal completed his residency in 1977. Later he served as Director of Graduate Studies in Fixed Prosthodontics at the University of Missouri at Kansas City School of Dentistry. In Kansas City, Dr. Seal was the recipient of the Weaver Award for Excellence in fixed prosthodontics and was inducted into the OKU Honor Fraternity.