Contents - IADR/AADR

members in the area of these three cities felt that one annual meeting per year of the British Division did not
provide sufficient opportunity for current exchange of ideas. As the sole function of the Birmingham-Bristol-
Cardiff Section was entirely to provide a forum for further scientific discussion, it was deemed unnecessary that
the Section should possess officers.
THE NORTH AMERICAN DIVISION
THE ANN ARBOR SECTION
This Section received early recognition at the University of Michigan and therefore was the fifth to be
organized as part of the IADR in 1923. Soon thereafter, U. G. Rickert assumed the duties of Section Secretary.
The first known record of IADR members of the Ann Arbor Section is recorded in the Journal of Dental
Research in 1928. 3 Early members were Russell W. Bunting, Marcus L. Ward, Chalmers J. Lyons, and Erman
O. Scott. The first scientific contribution from this Section to an annual IADR meeting was made by Bunting at
the fourth meeting, held in Chicago, 26 March 1926. It was on one of his favorite topics, entitled "Studies of the
Relation of Bacillus Acidophilus to Dental Caries".
In 1927 Russell Bunting was elected Vice-President of the IADR, and uniquely was reelected to this
office in 1930, becoming President in 1932.
On 10 May 1928 the Ann Arbor Section held its first local IADR scientific meeting, having both
afternoon and evening sessions. The following year Philip Jay joined and became coeditor of the Ann Arbor
Section; Marcus Ward was the other coeditor. At this time Ura Rickert was selected President-Elect of IADR
and became President, 1930-31.
The second local meeting was held on 16 May 1929 with two papers presented in afternoon and evening
sessions; membership of the Ann Arbor Section increased to nine soon after. Following the death of Rickert in
1938, secretarial duties were assumed by Philip Jay, who remained in that post for many years and in 1943 was
elected President of IADR.
Studies of the effect of fluorine on mottling of enamel and caries was an early investigation at the
University of Michigan under Jay. Under the direction of Ward, other developments included prosthodontic
materials, cements, amalgams, gold alloys and substitutes, chromium-cobalt alloys, colloidal and polymeric
impression materials, refractory investments for casting, and corrosion studies.
By 1950 cephalometric studies to measure growth were being conducted by George C. Moore as well as
studies involving the diagnosis and treatment of oral cancer. Measurements of the vibration of dental hand
pieces, and of temperature rise in tooth tissue during cutting, as well as improvements in dental burs and studies
involving stress analysis of restorations and prosthetic devices, were being made.
During the late 1950s, in addition to extending many of the previously mentioned studies, there have
been studies of the electromyography of oral and facial muscles, transplantation of teeth, thermal conductivity
INTERNATIONAL ASSOCIATION FOR DENTAL RESEARCH (IADR) – THE FIRST FIFTY YEAR HISTORY PAGE 153