单词 | orthopantomography |
释义 | orthopantomographyn. Dentistry. A modification of pantomography in which the X-ray beam is kept perpendicular to the jaws, producing a flat image of both jaws and their teeth. ΘΚΠ the world > health and disease > healing > diagnosis or prognosis > radiography or radiology > [noun] > specific techniques fluorography1896 fluoroscopy1896 Roentgenism1898 roentgenoscopy1903 skiascopy1908 teleradiography1908 teleroentgenography1908 orthoroentgenography1911 pneumography1921 stereofluoroscopy1928 kymography1930 tomography1935 photofluorography1941 neutron radiography1948 pantomography1952 photofluoroscopy1955 orthopantomography1959 panography1961 stereoradiography1965 computerized axial tomography1973 computed tomography1974 computerized tomography1974 CT1974 positron emission tomography1976 PET1979 1959 Y. V. Paatero in Acta Radiologica 51 449 Since stereoscopy has been successfully adapted to ordinary pantomography..theoretical and experimental investigations into the possibility of obtaining equally good stereoscopic effects with the new pantomographic method ‘orthoradial pantomography’ (or orthopantomography for short), were considered to be justified. 1961 Oral Surg., Oral Med., Oral Pathol. 14 947 (heading) Pantomography and orthopantomography. 1968 Brit. Jrnl. Radiol. 41 872/2 They reported that during orthopantomography the exposure at the eccentric axis was 1·5 R and at the skin surface it varied from 0·3 R to 0·9 R. 1990 European Jrnl. Orthodontics 12 386/1 As part of the clinical screening examination for the identification of children in need of orthodontic treatment, orthopantomography of all children was performed as a routine procedure in this community. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1959 |
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