Association of dentists in Thailand Was first established in 1938 with the name “Thai Dental Association”, has set the qualifications of the association members as Must be first class modern healer in dentistry At that time there were a number of members. Of the association, about 30 people, with Professor Colonel Luang Wachawitthiwat Was the first president of the association in 1938. In 1939, Professor Lieutenant Colonel Si Sirisasingha was the president of the association Later, Thailand had a dispute with Indochina of France. (Namely Vietnam, Laos and Cambodia today). Many members of the association have to go to work in the field Causing the association’s business to halt And the association must abolish according to the Act National Cultural Council in the later period.