In order to evaluate objectively the level tension and relaxation in dental practices, the author used Biotrainer(BF-102R), one of the GSR biofeedback apparatus, to examine 119 dental outpatients on their changes of GSR due to injection,
preparation,
extraction and readjustment.
@ES The obtained results were as follows :
@EN 1. There were no differences in the baseline GSR between the control group and the patient groups.
2. Changes in GSR by practices ere significantly larger than the baseline GSR.
3. GSR in female was larger than that in male.
4. While the GSR after injection, preparation and extraction revealed lewer level, the GSR after readjustment revealed higher level.
5. Most of subjects just after injection, preparation and extraction were more frequent in decrease of GSR and those just after readjustment more were frequent in increase of GSR.
6. Type 1,2(increase in skin resistance) showed greater in injection, preparation and extraction group, while type 3(decreae in skin resistance) did in readjustment group.
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