Dr. Williamson joined the College of Dentistry in 2001. He practiced general dentistry in College Station, Texas, for 17 years before returning to graduate school for his MS and certificate in prosthodontics.
Dr. Williamson teaches didactic courses to freshmen, junior, and senior students and supervises prosthodontic procedures for senior students in the Department of Family Dentistry and implant prosthodontic treatment by senior students in the Department of Prosthodontics.
Dr. Williamson provides fixed, removable, and implant prosthodontic care in the University of Iowa Dental Clinics in the Department of Family Dentistry, with a special emphasis on graftless implant rehabilitation of the edentulous patient.
Dr. Williamson's research interests include: 1) implant reconstruction without extensive bone grafting; 2) diagnostic taxonomy/methodology/systems for the correlation between diagnosis and outcomes
in prosthodontics; and 3) the accelerated aging of maxillofacial elastomers: chemical, physical and mechanical properties.
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Dr. Williamson is a member of the American College of Prosthodontists, American Dental Association (ADA), American Prosthodontic Society, and the Iowa Dental Association. He is a diplomate of the American Board of Prosthodontics and a fellow of both the American College of Prosthodontists and International College of Dentists. He is the chair to the American College of Prosthodontists' Task Force for the Prosthodontic Diagnostic Index. He is a consultant to the Council on Dental Practice of the ADA, an ADA CELL Seminar Series speaker, a reviewer of the Journal of Prosthodontics, a Cell online reviewer, a member of the Mu Chapter of Omicron Kappa Upsilon, and a member of the Johnson County District Dental Society. He lectures nationally and internationally on removable prosthodontic and implant dentistry.