Yoshiyuki Harada
Fukuoka Dental College
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Oral Radiology | 1993
Yoshiyuki Harada; Kazuhisa Ogawa; Shinichiro Mori; Ryusuke Ohta
The high incidence of defective X-ray films requires that patients undergo unnecessary and expensive repeat radiation exposure. We investigated the frequency of defective films and its causes to protect patients from unnecessary radiation exposure. Between July and September, 1989 (61.5 days), the number and causes of defective X-ray films processed in our department were evaluated. The films had been requested by the departments of dentistry, medicine, surgery, and anesthesiology. Intraoral radiographs were excluded from the study. Of the total of 5, 261 films, 8.6% were defective. The percentage of defective films was highest when the entire staff of three dariological technicians, one darkroom cleark, and one information cleark were on duty. Eighteen percent of all defective films were without exposure, and 82% with exposure. Radiological technician error was the cause in 63.5% of all defective films, positioning error in 34.6%, and exposure error in 17.8%. Of all defective films, 18.5% were not due to radiological technician error; the patient, mis-handling in the darkroom, and requester error accounted for 8.1%, 6.2%, and 4.2%, respectively. We have implemented various improvements as a result of this survey.The high incidence of defective X-ray films requires that patients undergo unnecessary and expensive repeat radiation exposure. We investigated the frequency of defective films and its causes to protect patients from unnecessary radiation exposure.Between July and September, 1989 (61.5 days), the number and causes of defective X-ray films processed in our department were evaluated. The films had been requested by the departments of dentistry, medicine, surgery, and anesthesiology. Intraoral radiographs were excluded from the study.Of the total of 5, 261 films, 8.6% were defective. The percentage of defective films was highest when the entire staff of three dariological technicians, one darkroom cleark, and one information cleark were on duty. Eighteen percent of all defective films were without exposure, and 82% with exposure.Radiological technician error was the cause in 63.5% of all defective films, positioning error in 34.6%, and exposure error in 17.8%. Of all defective films, 18.5% were not due to radiological technician error; the patient, mis-handling in the darkroom, and requester error accounted for 8.1%, 6.2%, and 4.2%, respectively.We have implemented various improvements as a result of this survey.
Oral Surgery, Oral Medicine, Oral Pathology | 1986
Shinichiro Mori; Tadako Wada; Yoshiyuki Harada; Shoji Toyoshima
Shika Kiso Igakkai zasshi = Japanese journal of oral biology | 1989
Yoshiyuki Harada; Singo Tomino; Kazuhisa Ogawa; Tadako Wada; Shinichiro Mori; Sigeru Kobayashi; Tetuharu Kiyosue; Hirohide Kubo
Shika Kiso Igakkai zasshi = Japanese journal of oral biology | 1989
Yoshiyuki Harada; Kazuhisa Ogawa; Shinichiro Mori; Sigeru Kobayashi; Hirohide Kubo; Tetuharu Kiyosue
Japanese Journal of Oral Biology | 1992
Yoshiyuki Harada; Kazuhisa Ogawa; Shinichiro Mori; Shigeru Kobayashi; Shinya Nagamoto
The Journal of The Kyushu Dental Society | 1986
Yoshiyuki Harada; Kazuhisa Ogawa; Singo Tomino; Tadako Wada; Shinichiro Mori; Shigeru Kobayashi; Yoshio Maruyama; Yoshinori Imada; Yasunori Watanabe
The Journal of The Kyushu Dental Society | 1989
Yoshiyuki Harada; Shinichiro Mori; Sigeru Kobayashi; Souta Otuka; Okitugu Kibana
The Journal of The Kyushu Dental Society | 1988
Shigeru Kobayashi; Rei Ito; Hideyuki Takata; Tetsuji Kiyosue; Hiroshi Yamada; Yoshiyuki Harada; Shinichiro Mori
Japanese Journal of Oral Biology | 1985
Shinichiro Mori; Yoshiyuki Harada; Tadako Wada; Sakuichiro Miyoshi
The Journal of The Kyushu Dental Society | 1984
Yoshiyuki Harada; Kazuhisa Ogawa; Shinichiro Mori; Ryuichi Ohtsu; Eiji Sugihara; Masashi Iwanabe