歯科診療時における術者の血圧及び心拍数に関する研究
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概要
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The present study is part of a series of research activities, conducted by the Department of Hygiene, Nihon University School of Dentistry, for many years, concerning the occupational, human engineering and environmental aspects of the dental clinician in the light of hygiene.<BR>The author was concerned here with the effects of various postures, cutting operations and the noise of the dental air-turbine engine on the dentist in his routine clinical environment.<BR>For the prescribed purpose, a sample of six dentists who ranged from 24 to 39 in years and were in good health was selectively used. These subjects were measured as their maximum blood pressures and heart beats in connection with the following 3 items: (i) changes that would take place when on operator moved from the supine position to sitting and standing postures, (ii) influences on an operator of exposure to the rotary noises of dental air-turbine engines and cuttiong operatins, and (iii) vital changes in an operator between dental work in standing and sitting postures. For the measurements, use was made of the Shimazu maximum blood pressure automatic serial recording apparatus (Scs-301).<BR>As a result, the author arrived at the following salient conclusions.<BR>1. The maximum blood pressures were, in order, in the staning, sitting and supine postures. The heart rates revealed an identical tendency, being in the order of standing, sitting and supine postures. There was computed a significant difference among these values.<BR>2. The exposure of subjects to the rotary noise of the dental air-turbine engine did not directly affect the maximum blood pressure and heart beat on their part.<BR>At the time of cutting operations, the maximum blood pressure registered a definite increase. On the other hand, the heart rate registered a decrease though to a very slight degree.<BR>3. In common with the operations both in standing and sitting postures, tendencies of increase in the maximum blood pressure and heart beat were difinitely observed in connection with the treatment of root canals and the preparation of abutment teeth. These tendencies were particularly manifested in operations in the sitting posture.
- 有限責任中間法人 日本口腔衛生学会の論文