Journal of the korean academy of Pediatric Dentistry
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v.27
no.2
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pp.202-207
/
2000
The purpose of study was to compare the caries experience between the mentally retarded(MR) and the normal(N) children and adolescents and to survey the dental visit frequency. preventive dental care, and tooth-brushing behavior of the mentally retarded. Two hundred and fifty MR and two hundred and ten N subjects were selected for the study. 1. The number of teeth which had experienced caries was 3.28 in MR and 4.66 in N. The number of decayed teeth was 2.24 in MR and 1.50 in N. The number of filled teeth was 0.71 in MR and 3.06 in N Filled teeth rate was 19.78% in MR and 58.89% in N The differences between MR and N were all significant(P<0.01). 2. Dental visit frequency of MR was 1.15 per year, and the 51.2% of MR did not visit the dental clinic for the last one year. 38.0% of MR had received the preventive dental care. 3. Toothbrushing frequency per day was 2.16 and the toothbrushing time for 78.3% of MR was less than two minutes. 51.2% of MR brushed their teeth by themselves, 13.3% did with the help of the carers, and 35.5% totally depended on the carers. In conclusion, MR experienced less dental caries than N, had more untreated caries than N, and had need for regular preventive dental care.
Of the many first-occuring major manifestations of Behcet's disease, the oral ulcer is most frequently observed, shows the highest mean recurrence rate, and the longest mean duration period. A study of the relationship between mechanical irritation buy local factors and the recurrence of oral ulcers was carried out to see if there is a correlation. The subjects chosen for the study were 81 patients who were referred to the Department of Oral Diagnosis at Yonsei University Dental Hospital from the Behcet clinic of Severace Hospital after being diagnosed as Behcet's disease patients. 1. By Shimuzu's classification, possible type was the most numerous with 55.55% ; while suspected type was 19.76% ; incomplete type, 17,28% ; and complete type, 7.41% were observed in that order. The male to female ration was 1 to 1.61, and the average age of onset was 17.63 years. 2. Oral ulcers developed most frequently on the tongue (48.28%), and lip(23.15%), buccal mucosa (20.69%), palate\pharynx(4.43%), and gingiva(3.45%) also showed ulceration. 3. 38.27% of the patients were HSV positive : 27.16% were CRP positive ; 12.34% were ASO positive ; 9.87% were RF positive ; and 3.7% were ANA positive. 4. According to the answers to the survey, fatigue(85.18%) was most frequently associated with Behcet's diseage. Trauma by tooth brushing (22.22%), un specified reasons (20.98%), hard food chewing (12.35%), and irritation by dentition and/or prosthesis (13.58%) were observed in association with Behcet's disease. 23.46% had a history of tonsilitis. 5. Oral ulcers on the anterior part of tongue and buccal mucosa were associated with local irritatants. 6. Oral ulcers on the lip and posterior portion of tongue were not associated with local irritants. Local irritation by dentition and oral ulcer on the anterior part of tongue and buccal mucosa was observed to coexit with one another : in other words, lo9cal factors can act to cause of recurrence of an oral ulcer and to delay the healing process in Behcet's disease. Therefore, elimination of local factors along with systemic therapy must be recommended when treating oral ulcers.
Park, Ji-Hye;Ahn, Sang-Hun;Gu, Hyo-Jin;Choi, Youn-Hee;Song, Keun-Bae
Journal of the Korea Academia-Industrial cooperation Society
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v.11
no.1
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pp.375-382
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2010
The purpose of this study was to evaluate suppression of Streptococcus mutans(S. mutans) colonization by long-term xylitol consumption among pregnant women who can easily get bad oral hygiene status during pregnancy and breast feeding. Participants were voluntarily recruited for a pregnant women's oral health prevention program, classified into two groups(a control and a xylitol group), and then followed for 18 months. Stimulated whole saliva was collected in the afternoon(1:00-3:00 p.m.) at baseline, 6 months, 12months, and 18 months. Information regarding oral health behavior(tooth brushing frequency and regular dental visits) was obtained via a questionnaire. S. mutans counts of the xylitol group decreased considerably between baseline and the re-examinations at 6, 12, and 18 months. Although the S. mutans counts decreased for all time points compared to baseline in the control group, these differences did not reach significance except 18 months. Regular chewing of xylitol gum over a long period may lead to decrease the colony counts of S. mutans.
3개월 동안 사용한 마모된 칫솔의 마모 정도와 양상을 관찰하고, 새 칫솔과 마모된 칫솔의 잇솔질 전 ${\cdot}$ 후 치태제거효율을 single-use design으로 비교 ${\cdot}$ 평가하여 3개월 주기의 칫솔 교체 주기의 근거를 임상적으로 확인 해보고자 하였다. 치주적으로 건강한 치과 대학생 42명을 대상으로 설문지를 통해 잇솔질 습관을 조사하고, 3개월간 동일한 칫솔과 치약을 사용하게 하였다. 3개월 후 피시험자를 무작위로 두 군(I, II)으로 나누고, 치석제거술을 시행한 뒤 2주후에 내원하도록 하였으며 내원 전 48시간동안은 잇솔질을 하지 않도록 지시하였다. 2주후 I군은 새 칫솔을, II군은 마모된 칫솔을 사용하도록 하였으며 잇솔질 전 ${\cdot}$ 후에 각각 구강 내를 erythrosin으로 염색한 후 6개의 Ramfjord 치아의 plaque score를 Patient Hygiene Performance (PHP) index로 측정하였다. 2주간의 washout period 후에 다시 치석제거술을 시행한 뒤, I군이 마모된 칫솔을, II군은 새 칫솔을 사용하게 하여 동일한 방법으로 PHP index를 각각 측정하였다. 마모된 칫솔은 수거하여 brushing surface area의 면적으로 마모도를 평가하였다. 결과는 paired t-test와 Pearson's correlation analysis로 통계처리 하였다. 2명이 탈락하였고 잇솔질 전 ${\cdot}$ 후에 대한 전체 부위, 치간 부위, 변연치은 부위의 plaque score는 두 칫솔 모두 통계학적으로 유의성 있게 감소하였으며 (p<0.0001), 두 칫솔을 비교한 경우에는 새 칫솔이 마모된 칫솔보다 치태 감소량이 통계학적으로 유의성 있게 많았다 (p<0.0001). 칫솔의 마모도는 평균 50.6% 증가하였으며, 마모도 증가에 따른 치태 감소량에는 직선적인 상관관계가 있었으나 통계학적인 유의성은 없었다. (전체 부위 r=-0.58, p=0.72 / 변연치은 부위 r=-0.50, p=0.76). Single-use design에서 3개월 동안 마모된 칫솔은 치태제거 능력에 있어서 새 칫솔보다 덜 효율적이였다. 칫솔의 마모도는 구강 위생 관리에 영향을 미치는 중요한 요인이며, 마모된 칫솔은 정기적인 교체가 요구된다. 또한, 치간 부위를 포함한 변연치은 부위의 치태를 정확하게 평가할 수 있는 치태지수에 대한 연구가 필요하겠다.
Objectives : The purpose of this study was to evaluate the tooth whitening effect of 0.74% and 2.80% hydrogen peroxide toothpastes and safety on tooth and gingival tissue. Methods : Toothpastes containing 0.74% and 2.80% hydrogen peroxide were evaluated. In in-vitro test, some additives (sodium metaphosphate, sodium pyrophosphate and titanium dioxide) were added to the toothpastes. Hydroxyapatite specimens (HAPs) were made and stained using modified Stookey's methods. HAPs were treated for 1 hour at shaking incubator and brushed for 1,000 times as 250 gF with each diluted toothpaste. Before and after color was measured by colorimeter. Using double blind method, 99 Korean with natural maxillary anterior teeth were selected and the initial brightness (baseline) was measured by SHADEEYE-EX. Based on this measurement they were crossly distributed into control group (0% hydrogen peroxide), test 1 (0.74% hydrogen peroxide) and test 2 (2.80% hydrogen peroxide). After 2 weeks, people of each group were provided toothpaste and told to use 3 times a day right after every meal for 3 minutes. The brightness of teeth was measured 3 times for every one month. Results : ${\Delta}L$ was statistically significant among three groups in shaking test. ${\Delta}L$ of two test groups was statistically significant compared with control group but not between each test group in brushing test. After using toothpaste for 3 months, test 1 group and test 2 group were 15.89% and 31.23% more whitened compared with control group respectively (p<0.05). Rate of more whitened person of each test group was 24.2% and 40.5% more than control group respectively (p<0.05). There was no difference in the hypersensitivity during 3 months using toothpastes and no side effect on teeth or gums. Conclusions : Toothpastes containing 0.74% and 2.80% hydrogen peroxide showed tooth whitening effect and both were safe enough to use for tooth whitening.
Song, Ji-Na;Cho, Myung-Sook;Lee, Min-Kyung;Yu, Su-Bin;Kim, Sun Il;Kim, Hye-Jin
Journal of Korean society of Dental Hygiene
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v.18
no.5
/
pp.831-842
/
2018
Objectives: This study was conducted to reveal the biological basis of dental plaque and preschool children's dental health status through repetitive and continuous toothbrushing instruction to preschool children, using quantitative criteria, and to emphasize the importance of the role of an oral health manager for the prevention of dental caries. Methods: After IRB approval, toothbrushing instruction and oral microbial specimen collection were conducted with children of preschool age at the Daycare Center attached to D. University, Busan. Specimens from 27 children were characterized by analysis with real-time multi-chain enzymatic polymerization reaction technique at an agency specializing in genetic analysis. Results: In a survey of the children's dental health behaviors, 48.1% responded that the toothbrushing time is 91 to 150 seconds; 66.7% responded that the frequency of toothbrushing is more than three times per day; 81.5% stated that they performed tongue brushing; and 81.5% brushed their teeth. Regarding levels of dental cariogenic bacteria, after children received continuous toothbrushing instruction, there were reductions in both Streptococcus mutans and Streptococcus sobrinus. Regarding toothbrushing time, the time increased in relation to the presence of instruction. Regarding Quigley Hein Index, the index decreased in the early and middle periods upon addition of instruction, then increased in the middle and later periods. Conclusions: Through persistent and repetitive toothbrushing instruction, healthy behavior can be positively established in children of preschool age; it is necessary to prepare institutional measures so opportunities for dental health education can be consistently provided and maintained. In the future, it will be necessary to conduct a follow-up study to verify the factors affecting toothbrushing time and volume of oral pathogens.
The purpose of this study is to obtain some basic data necessary for more effective health education by questionnaire survey on the knowledge, attitude and preventive health behavior. The questionnaire forms were delivered to 500 university students in seoul during periods from 24 to 28, september, from 7 to 19, October, 1991. The result of this study can be summarized as follows: 1) Washing hands after using toilet has relationship to sex (fece: $X^2=51.55$, urine: $X^2=36.25$, p<0.05). Index of female was higher than that of male. 2) Tooth brushing has relationship to sex ($X^2=13.28$, p<0.05). The tendency of practice of male and female was similar. 3) Changing of underwear 1~3 days were the highest and it has relationship to sex ($X^2=162.846$, p<0.05), birth place ($X^2=97.18$, p<0.05). Index of female was higher than that of male. 4) Bathing has relationship to sex ($X^2=80.92$, p<0.05). birth place ($X^2=54.18$, p<0.05, pocket money ($X^2=33.04$, p<0.05). 5) The attitude on occurrence of epidemic disease has relationship to sex ($X^2=70.33$, p<0.05). A female was more senstive than male. 6) In case of slight disease, a cold, illness from fatigue, the utilization of drug store was higher. The utilization of medical center according to disease has relationship to sex ($X^2=69.84$, p<0.05). 7) Medical behaviorism has relationship to school year ($X^2=35.18$, p<0.05), sex ($X^2=42.18$, p<0.05). 8) The utilization of school health center has relationship to sex ($X^2=10.73$, p<0.05), the school year ($X^2=72.09$, p<0.05), the pocket money ($X^2=38.80$, p<0.05). 9) The experience of health education has relationship to school year ($X^2=10.96$, p<0.05). No experence is 95.4%. 10) The subject for health-medical knowledge is necessary. The need for subject has relationship to sex ($X^2=10.86$, p<0.05).
Choi, Moon-Sil;Park, Hyung-Su;Lee, Byung-Hoon;Jeong, Sang-Gil;Park, Jong
Journal of Korean society of Dental Hygiene
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v.10
no.5
/
pp.851-860
/
2010
Objectives : This study examined the oral health behavior and dental services utilization of adolescents in order to provide information on how to disseminate the correct oral health behavior to the youth and develop programs for the approach. Methods : The raw data of 'The Third 2007 Youth Health Behavior Online Survey' carried out by the Korea Center for Disease Control and Prevention were analyzed. All survey data collected was processed using SPSS ver 17.0 for data analysis as Frequency analysis, chi-square and Logistic regression analysis. Results : 1.The adolescents who have parents with college degree are 70% higher of dental services utilization than the adolescents counterpart(whose parents don't have degrees). And also the adolescents living in cities are 1.3 times higher use of dental services than others living in countries. 2. In case of drinking soda, students having soda 4 days per week on average are 1.2 times higher use of dental services than who don't. 3.The students brushing teeth after lunch are 0.9 times lower use of dental service than who don't. And the students who have tooth ache whenever they have a meal are 1.6 times higher use of dental service than the students who don't have tooth ache. The students who had a dental health education are 1.4 times higher utilization of dental service than who don't. The difference of using dental service between the students who have gum disease and halitosis and the students who don't is almost none. 4. The students who drink alcohol and smoke 10 days more or less a month are 0.8 ~ 0.9 times lower use of dental service than who don't. Conclusions : The rate of utilizing dental service is higher at students who live with parents having college degrees and the more have oral health behavior, the less use of dental service for treatment. We concluded that more educational program should be developed and vitalized so that students can have oral health.
Objective : The purpose of this study was to examine the relationship of the oral health behavior of oral prophylaxis clients and some residents in a community to their simplified oral environment index. Methods : The subjects in this study were 520 people who had their teeth cleaned in the oral prophylaxis practice lab in the department of dental hygiene at J health college. A survey was conducted from March 23 to June 3, 2010, by way of the self-reported questionnaire. The data materials are analyzed by general characteristics frequency and ratio, the relationship of oral health behavior and sex, age, scaling experience, simplified oral hygiene index $x^{2}$ test analysis. Results : 1. Concerning links between gender and oral health behavior including daily toothbrushing frequency, the largest group of the respondents brushed their teeth three times a day(p<0.05). As to educational experiences on toothbrushing method and the use of oral hygiene supplies, the women had more educational experiences than the men(p<0.05). 2. Regarding connections between age and oral health behavior involving daily toothbrushing frequency, the largest number of the respondents brushed their teeth three times a day in every age group (p <0.001). As for educational experiences on toothbrushing method, those who were in their 50s and up(64.7%) learned about that, and they had more educational experiences with age(p<0.05). As for scaling experiences, the older respondents had their teeth scaled more often (p<0.001). 3. As to relationship between scaling experiences and oral health behavior, there were differences in toothbrushing frequency according to scaling experiences(p <0.05). Regarding educational experiences on toothbrushing method, those who had their teeth cleaned received more toothbrushing education(p<0.001). Concerning smoking, the nonsmokers had more experiences to get their teeth cleaned (p<0.001). 4. As for links between simplified oral environment index and oral health behavior including a time for toothbrushing, the respondents who did toothbrushing after every meal(80.4%) had good simplified oral environment indexes(p<0.05). 5. In regard to relationship between simplified oral environment index and oral health behavior, oral environment index had a positive correlation to the use of oral hygiene supplies( r=0.129**), toothbrushing time(r=0.116**) and educational experiences on toothbrushing method (r=0.099**). Smoking(r=-0.092**) had a negative correlation to that. Conclusion : The above-mentioned findings illustrate that oral health behavior is one of crucial factors to affect oral health status and oral environment care. Therefore oral prophylaxis practice lab visitors should receive education on the right toothbrushing method and the use of oral hygiene supplies to promote their oral health, and an incremental oral health care system that involves regular scaling should be introduced.
Objectives : By analyzing the affects of the mother's oral care to the caries experiences of the elementary school children, To looking for the way to prevent dental caries in the primary school, to provide baseline data to perform the associated oral health education. Methods : Between the 3,676 children's dental check-up data and the 2,934 survey of parents from 9 elementary schools in the the Gyeonggi Province, the exactly matching data of 2,358 pairs, children versus mothers, were analyzed during the period, 2009 May 4 to July 20, By using the PASW 18(SPSS-PC 18), Frequency analysis of the collected data, and cross-analysis, ANOVA, Bonferroni post-analysis was performed. Results : The findings of the study were as follows. 1. In children, the ratio(DMF rate)of the dental caries experience in permanent teeth, appeared higher for men than women. Divided by grade level, the ratio of caries experience in the permanent teeth(DMF rate) generally appear higher in older than young. Thus between the child's gender and grade level by the ratio of caries experience in the permanent teeth(DMF rate) showed the statistically significant differences (p<0.05). 2. Between the socioeconomic characteristics of mothers and the children's level of dental caries experiences, not showed the statistically significant difference.(p>0.05). 3. The significant difference showed between the dental caries levels of the children and the mother's oral health care behavior - a toothbrush replacement period, mother's broken teeth, mothers guidances of the brushing after snacks for children(p<0.05). Conclusions : The mother's oral health attitudes and behaviors can affect to their children's oral care habits. Therefore The mother themselves should have the right proper habit of oral health care, so that in oral health care mothers should be the model for their children. Institutionally more systematic and detailed oral health educational program in conjunction with the family is needed.
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