황화수소에 대한 후각감지역치 및 구취, 흡연, 성 그리고 월경주기에 의한 영향
Olfactory Detection Threshold for Hydrogen Sulfide and the Effects of Bad Breath, Smoking, Gender and the Menstrual Cycle on it
정양수, 안형준, 최재갑,
소속 상세정보
정양수 ( ) - 경북대학교 치과대학 구강내과학교실
안형준 ( ) - 경북대학교 치과대학 구강내과학교실
최재갑 ( Choi Jae-Kap ) - 경북대학교 치과대학 구강내과학교실
KMID : 0355220020270040443
Abstract
Hydrogen sulfide is the major component of oral bad breath. This study was performed to determine the olfactory detection threshold for hydrogen sulfide in Korean subjects and to evaluate the effects of bad breath, smoking, gender and menstrual cycle on the olfactory detection threshold for hydrogen sulfide. Twenty male smokers, twenty male non-smokers, and ten female non-smokers were included for the study. A 15-step dilution series of hydrogen sulfide gases were prepared by half-log step from -4 log concentration ppb to 3 log concentration ppb. The olfactory detection threshold for hydrogen sulfide was measured by two-alternative forced choice single-staircase detection threshold procedure in a double-blinded condition. The threshold values produced by this method were compared by bad breath, smoking, gender and menstrual cycle.
The results were as follows;
1. The olfactory detection threshold for hydrogen sulfide in Korean was in the range from 35.5 ppb to 49.0 ppb.
2. There was no significant difference in the olfactory detection threshold for hydrogen sulfide according to the level of oral volatile sulfur compound at the concentration range of no clinical bad breath.
3. There was no significant difference in the olfactory detection threshold for hydrogen sulfide between male smokers and male non-smokers.
4. There was no significant difference in the olfactory detection threshold for hydrogen sulfide between male non-smokers and female non-smokers.
5. Although statistically not significant, the olfactory detection threshold for hydrogen sulfide tended to be lowest in the follicular phase of menstrual cycle.
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