PDA was awarded the Centennial marker by the National Historic Commission, Chaired by Mr. Ambeth Ocampo, who is also a well-respected historian and newspaper columnist. The unveiling of the Centennial marker happened last September 2, 2008 at the PDA office building and was witnessed by the PDA Officers, Chapters and Affiliates Presidents.

This was the result of a laborious exchange of historical files related to the practice of Dentistry in the country.