ヒトの歯肉内温度に関する研究
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概要
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For the purpose of a body temperature measurement, there are available several methods including a temperature of the axilla, rectum and other body organs. An oral temperature is considered to be very similar to that of the rectum as relatively stable and measurable in a fairly short period of time. These are the factors which account for its frequent use in clinical environment. As far as the present author knows, there is no published literature on the measurement of an intragingival temperature, if any. The main reason for this may be sought in the difficulty of a measuring instrument, i.e., the technical difficulty of measuring a temperature of the local and deep-lying organ. Hitherto, the thermocouple and thermistor have been usually in wide use for measuring the temperature of oral soft tissues, particularly those of the sublingual, gingival surface and inside the gingival pocket. In recent years, in particular, the thermistor which is small in size and easy of manipulation has come to be predominantly used. However, the problem of measuring an intragingival temperature of a human under no anesthesia has been persisting as a technologically difficult one. In the present study, the author devised a new temperature guage or meter by effecting a little technical improvement on an ordinary electrical temperature measuring apparatus. This apparatus was made up of the Sheath thermocouple and a digital thermometer (No.377, manufactured by Philipps of Holland). By use of this modified measuring apparatus, the sublingual, intragingival and gingival surface temperatures and environment inside the gingival pocket, particularly changes in the temperature and moisture, together with changes in the passage of time and intragingival temperatures of the upper and lower anteriors and molars were measured. A sample of 30 cases of inflammatory periodontal diseases were subjected to this series of measurements, and the data thus obtained were compared with those of 30 normal subjects. As a result of these comparative analyses, the author arrived at the following conclusions: 1. Within the range of 20℃ to 28℃, the sublingual, intragingival, gingival surface and intragingival pocket temperatures were unaffected by temperamental and moisture factors inside the room environment. In the case of relative moisture, the range was 60% to 70%. 2. Although there was observed no change in the passage of time regarding the data measured from 10 a.m. to 4 p. m., the intragingival, gingival surface and intragingival pocket temperatures were found to bear correlationships to changes in the sublingual temperature. Moreover, of these different temperatures the sublingual temperature gave the largest reading or value. 3. Of the intragingival temperature of man, the lingual isde of the lower molars gave the largest reading or value. 4. When the intragingival, gingival surface and intragingival temperatures of the periodontal cases were compared with those of normal subjects, the tendency was observed that in all the measurement items the former gave larger values.
- 特定非営利活動法人日本歯周病学会の論文
- 1978-03-28