Burt, B. A.; Ismail, A. I.; Morrison, E. C.; Beltran, E. D. - 1990
Over 500 residents of Tecumseh, Michigan, were dentally examined in 1959 as part of a community-wide health study. In 1987, the dental examinations were repeated, with use of the same criteria as in 1959, for 167 dentate persons from the original group. Another 28 reported by telephone that they...