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Dates: during 1950-1959
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...cattle experts are trying hard to find some other system. Dr. Paul Wallace Gregory of the University of California at Davis has invented a "profilometer," an instrument to detect the slight bump on a bull's forehead which shows that he may be a carrier. Sometimes X rays are used to look for the "crumpled" vertebrae that carriers sometimes have. Chief obstacle to cleaning the herds of carriers is the cattle fanciers' love of low-slung critters likely to carry the sinister gene...
...X-ray dental examinations, given as part of the freshman physical examination for the first time this year, revealed that 73 percent of '59 had cavities in need of treatment, according to Dr. James M. Dunning, '26, Director of the Hygiene Department's Dental Health Service...
Because of this unexpected first year result, the Service plans to extend the X-ray survey to all entering students, including transfer, next year, Dunning said...
Seven hundred and fifty-three freshman had defects revealed by the bite-wing dental X-ray. Of these, 135 had defects in urgent need of treatment if they were to avoid loss of teeth. All 1030 freshmen X-rayed received letters from the department indicating whether they needed treatment and the urgency of their case. About 70 members of the class failed to have X-rays or had defective ones...
...X-ray examination is only part of a dental examination. A leaflet recently released by the Hygiene Department suggests examination by a dentist at least once a year as an effective means of detecting decay...