抄録
In the present study, we reconsider the pioneers of the intraoral radiography. In intraoral radiography, the bisecting-angle technique was first published by Weston Andrew Valleau Price in 1904, and Antoni Cieszyński devised the same method in 1907. The paralleling technique was first used by Charles Edmund Kells in 1896. Then, in 1911, Franklin W. McCormack introduced the long-distance technique into the paralleling technique and published his findings in 1920. It was integrated and improved, and was popularized by Gordon M. Fitzgerald as a long cone paralleling technique between 1947 and 1950. The author proposes that the above should be the established theory in Japan.
