저자는 대구시내에 거주하는 국민학교 6학년생 64명과 농촌지역에 거주하는 국민학교 6학년생 58명 총 122명을 대상으로 Snyder 검사, 타액완충능 검사 및 타액분비량을 측정하여 이들과 DMFT 및 DMFS index와의 상호관계를 분석해 보았던 바 다음과 같은 결론을 얻었다. 1. Snyder 검사에 양성인자는 78.7%이었고, 양성인자중 현자한 자는 29.5%, 중등도인자는 30.3%, 경도인자는 18.7%이었고, 음성인자는 21.3%이었다. 2. Snyder 검사에 음성반응을 나타낸 군이 양성반응을 나타낸 군에 비해 DMFT 및 DMFS index가 현저히 낮았다(P<0.01). 3. 도시와 농촌지역 아동으로 나눈 Snyder 검사 결과 음성반응은 도시지역 아동이 73.45%, 농촌지역 아동이 84.48%이었다. 4. 자극성 타액의 분비량은 남자가 6.97$\pm$2.57, 여자가 6.34$\pm$2.45로 남자가 조금 높게 나타났으나 유의성은 없었다(P>0.05). 5. 자극성 타액분비량이 평균치 이하인 군이 평균치 이상인 군보다 월등히 높은 DMFT 및 DMFS index를 나타내었다(P<0.01). 6. 도시와 농촌지역 아동으로 구분한 타액분비량 측정결과 도시지역 아동이 약간 높았으나 유의성은 없었다(P>0.05). 7. 타액완충능은 남자가 7.65$\pm$2.19, 여자가 6.80$\pm$1.67로 남자가 유의성 있게 높게 나타났다(P<0.05). 8. 타액완충능이 평균치 이하인군이 평균치 이상인 군보다 월등히 높은 DMFT 및 DMFS index를 나타내었다(P<0.01). 9. 도시와 농촌지역 아동으로 나눈 타액 완충능 검사결과 도시지역 아동이 유의성 있게 높이 나타났다. 10. 자극성 타액분비량과 타액의 완충능이 높을 경우 영구치 우식발생에 억제적인 효과가 있음을 확인하였다.
저자는 대구시내에 거주하는 국민학교 6학년생 64명과 농촌지역에 거주하는 국민학교 6학년생 58명 총 122명을 대상으로 Snyder 검사, 타액완충능 검사 및 타액분비량을 측정하여 이들과 DMFT 및 DMFS index와의 상호관계를 분석해 보았던 바 다음과 같은 결론을 얻었다. 1. Snyder 검사에 양성인자는 78.7%이었고, 양성인자중 현자한 자는 29.5%, 중등도인자는 30.3%, 경도인자는 18.7%이었고, 음성인자는 21.3%이었다. 2. Snyder 검사에 음성반응을 나타낸 군이 양성반응을 나타낸 군에 비해 DMFT 및 DMFS index가 현저히 낮았다(P<0.01). 3. 도시와 농촌지역 아동으로 나눈 Snyder 검사 결과 음성반응은 도시지역 아동이 73.45%, 농촌지역 아동이 84.48%이었다. 4. 자극성 타액의 분비량은 남자가 6.97$\pm$2.57, 여자가 6.34$\pm$2.45로 남자가 조금 높게 나타났으나 유의성은 없었다(P>0.05). 5. 자극성 타액분비량이 평균치 이하인 군이 평균치 이상인 군보다 월등히 높은 DMFT 및 DMFS index를 나타내었다(P<0.01). 6. 도시와 농촌지역 아동으로 구분한 타액분비량 측정결과 도시지역 아동이 약간 높았으나 유의성은 없었다(P>0.05). 7. 타액완충능은 남자가 7.65$\pm$2.19, 여자가 6.80$\pm$1.67로 남자가 유의성 있게 높게 나타났다(P<0.05). 8. 타액완충능이 평균치 이하인군이 평균치 이상인 군보다 월등히 높은 DMFT 및 DMFS index를 나타내었다(P<0.01). 9. 도시와 농촌지역 아동으로 나눈 타액 완충능 검사결과 도시지역 아동이 유의성 있게 높이 나타났다. 10. 자극성 타액분비량과 타액의 완충능이 높을 경우 영구치 우식발생에 억제적인 효과가 있음을 확인하였다.
For the detection of the active cariogenic factors contributing to caries development, some practical methods such as the Snyder test, estimation of salivary flow rate and salivary buffering capacity test were evaluated statistically by comparing DMFT and DMFS indexes. Total 122 children (62 male an...
For the detection of the active cariogenic factors contributing to caries development, some practical methods such as the Snyder test, estimation of salivary flow rate and salivary buffering capacity test were evaluated statistically by comparing DMFT and DMFS indexes. Total 122 children (62 male and 60 female ; 64 rural and 58 urban) were selected ramdomly from the 6th grade of the primary school and their salivary cariogenic factors were analysed and evaluated. Among the total 122 children, 78.7% was positive in the snyder test in which the marked, moderate and slight caries activities were 29.5%, 30.3% and 18.9%, respectively. In the Snyder test, 74.45% was positive in urban children while 84.48% was positive in rural children. DMFT and DMFS indexes were markedly lower in negative group than positive group of the Snyder test (p<0.01). The mean and standard deviation of stimulated salivary flow rate was 6.97$\pm$2.57 in male and 6.34$\pm$2.54 in female but no significant difference was observed in sexuality. The stimulated salivary flow rate of urban children was slightly higher that of rural but there was no significant difference between them. However, the group that showed below average in the stimulated salivary flow rate was markedly higher in DMFI and DMFT indexes than the group of above average. The mean and standard deviation of stimulated salivary buffering capacity was 7.65$\pm$2.19 in male and 6.80$\pm$1.67 in female. This difference was significant statistically(p<0.05). Stimulated salivary buffering capacity of urban children was higher than that of rural. Increases in stimulated salivary flow rate and buffering capacity had reduced the onset of dental caries of 14-year-old permanent tooth.
For the detection of the active cariogenic factors contributing to caries development, some practical methods such as the Snyder test, estimation of salivary flow rate and salivary buffering capacity test were evaluated statistically by comparing DMFT and DMFS indexes. Total 122 children (62 male and 60 female ; 64 rural and 58 urban) were selected ramdomly from the 6th grade of the primary school and their salivary cariogenic factors were analysed and evaluated. Among the total 122 children, 78.7% was positive in the snyder test in which the marked, moderate and slight caries activities were 29.5%, 30.3% and 18.9%, respectively. In the Snyder test, 74.45% was positive in urban children while 84.48% was positive in rural children. DMFT and DMFS indexes were markedly lower in negative group than positive group of the Snyder test (p<0.01). The mean and standard deviation of stimulated salivary flow rate was 6.97$\pm$2.57 in male and 6.34$\pm$2.54 in female but no significant difference was observed in sexuality. The stimulated salivary flow rate of urban children was slightly higher that of rural but there was no significant difference between them. However, the group that showed below average in the stimulated salivary flow rate was markedly higher in DMFI and DMFT indexes than the group of above average. The mean and standard deviation of stimulated salivary buffering capacity was 7.65$\pm$2.19 in male and 6.80$\pm$1.67 in female. This difference was significant statistically(p<0.05). Stimulated salivary buffering capacity of urban children was higher than that of rural. Increases in stimulated salivary flow rate and buffering capacity had reduced the onset of dental caries of 14-year-old permanent tooth.
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