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A analysis on oral health behaviors of workers and Korean adults (근로자와 한국성인의 구강건강 행태 분석)

  • Shim, Youn-Soo;Woo, Hee-Sun
    • Journal of Korean society of Dental Hygiene
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    • v.12 no.4
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    • pp.839-848
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    • 2012
  • Objectives : Oral care is important for workers and Korean adults to improve the quality of life and perform economic activities. This study was conducted to prepare the basic data to establish the management system for adult oral health by looking into characteristics by ages and the genders questingly. Methods : Oral health examination was conducted on workers in 2009 in the city of Gwangju and Chonnam province. This analysis was extracted using SPSS(SPSS 12.0 for windows, SPSS Inc, Chicago, USA). Results : Among the study respondents, 39.5% workers and 47.7% Korean adults answered their subjective oral health is not good, but there was no statistically significant difference between them(p< $0.001^{***}$). 39.9% workers and 2 0.6% Korean adults were smokers, and they showed a statistically significance in the ages and genders (p< $0.001^{***}$). 91.2 %workers and 49.8% Korean adults brushed their teeth before going to bed, and they showed a statistically significance in the ages and genders(p< $0.001^{***}$). In terms of the gender, male workers and Korean female adults showed high frequency of use, and both workers and Korean adults aged 18-24 showed high frequency with regard to the age. Regarding the use of oral care items, 36.0% workers and 16.9% Korean adults used them, and a statistical significance was shown in both the gender and age(p< $0.001^{***}$). In terms of the gender, female workers and Korean female adults showed high frequency of use and in terms of the age, 45-54 age bracket workers and 30-34age bracket Korean adults used the items frequently. 28.0% workers and 30.7% Korean adults answered that their mastication among oral functions is uncomfortable, and 8.8% workers and 6.5% Korean adults responded that it is hard to pronounce. They were statistically significant in the gender and age(p< $0.001^{***}$). Workers and Korean female adults expressed their mastication discomfort and men expressed that they have a difficulty in pronouncing. In terms of the age, the 54-64 age bracket workers and Korean adults express their inconvenience of mastication and pronunciation. Conclusions : According to the above findings, it needs to build the economical and efficient adult oral health care system in order to enhance both workers and Korean adults' oral health.

The association between diabetes mellitus and community periodontal index: The 5th Korean National Health and Nutrition examination survey (당뇨와 지역사회치주지수의 관련성: 제5기 국민건강영양조사)

  • Kim, Young-Suk;Jeon, Ji-Hyun;Min, Hee-Hong
    • Journal of Korean society of Dental Hygiene
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    • v.14 no.6
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    • pp.805-812
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    • 2014
  • Objectives: The purpose of the study was to examine the association between diabetes mellitus and community periodontal index in Korean adults. Methods: The study populations were recruited by the Fifth Korea National Health and Nutrition Examination Survey. Study subjects were 10,411 who were examined oral examination, blood test, and aged over 19 years. Using multiple logistic regression analyses, the variables were adjusted for gender, age, household income, family history of diabetes, body mess index, smoking habit, and frequency of tooth brushing. Periodontal tissue examination of the subjects was performed and scored by Community periodontal index(CPI). Using probe, six teeth were examined for hemorrhage, plaque, and pocket depth and classified into $CPI_0$, $CPI_1$, $CPI_2$, $CPI_3$ and $CPI_4$. Healthy periodontal groups($CPI_{0-2}$) and periodontal disease groups($CPI_{3-4}$) were divided by the periodontal disease status. The definition of diabetes mellitus(DM) was decided by the diagnosis by the doctors and fasting blood sugar level. Those who were diagnosed as DM were included in DM group. The DM variables included normal blood sugar level, increased fasting blood sugar level, and DM blood sugar level. The DM variables were compared to periodontal disease blood sugar level and analyzed. Results: The periodontitis prevalence rate was 23.2%. Those who had diabetes mellitus accounted for 5.5% of the subjects. Those who had impaired fasting glucose accounted for 17.7% and 7.9% of subjects were diabetes mellitus by blood test. In the confirmed diabetes group by doctor, the periodontitis prevalence rate was significantly higher than the non-diabetic group. Diabetic group by blood test had the highest prevalence rate of periodontitis than those who had impaired fasting glucose group or normal group. After adjusting for gender, age, household income, family history of diabetes, body mass index, smoking habit, and frequency of tooth brushing, the risk of periodontitis in diagnosed diabetes mellitus was 1.57 times(95% CI; 1.27-1.94) higher than the normal group. In impaired fasting glucose group and diabetes mellitus group by blood test, the risk of periodontitis was 1.11 times(95% CI; 0.95-1.30) and 1.45 times(95% CI; 1.45-2.12) higher, respectively. Conclusions: There was a significant relationship between diabetes mellitus and periodontitis in Korean adults. These results suggest that diabetes mellitus is a risk factor for periodontitis.

A study on middle school students' oral health belief and oral health practice (중학생의 구강건강신념 및 구강건강실천에 관한 연구)

  • Ji, Min-Gyeong
    • Journal of Korean society of Dental Hygiene
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    • v.8 no.4
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    • pp.165-180
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    • 2008
  • The present study is a descriptive survey on factors affecting middle school students' oral health belief and oral health practice. In order to find methods for forming right beliefs and inducing desirable behavioral patterns, we conducted a questionnaire survey with 470 students at two middle schools in Cheongju and drew conclusions as follows. Of the 470 questionnaires, 457 were recovered. With 10 inappropriately answered ones excluded, 446 questionnaires were analyzed. 1. As to oral health belief according to general characteristics, susceptibility was 2.63 points (p=0.035) in male students, 2.68 (p=0.016) in 3rd year students, and 2.92 (p=0.002) in only child students. Seriousness was 2.57 (p=0.017) in male students, 2.67 (p=0.001) in 3rd?year students, and 2.92 (p=0.001) in only child students. barrier was 2.62 (p=0.009) in 3rd year students, and 2.95 (p=0.002) in only child students. Benefit was 3.40 (p=0.011) in female students, and 3.43 (p=0.003) in 1st year students. salience was 3.21 (p=0.006) in female students, and 3.24 (p=0.009) in 1st year students. 2. As to oral health belief according to oral?health?related factors, susceptibility and seriousness were 2.69 (p=0.003) and 2.72 (p=0.000), respectively, in the lower?middle class group, 2.83 (p=0.001) and 2.80 (p=0.003), respectively, in the drink taking group, and 2.80 (p=0.000) and 2.75 (p=0.000), respectively, in the low conversation group. barrier was 2.63 (p=0.018) in the lower?middle class group, 2.67 (p=0.021) in the low conversation group, and 2.77 (p=0.000) in the group fearing the visit to the dental clinic. Benefit was 3.36 (p=0.000) in the high conversation group, and 3.37 (p=0.0l5) in the group visiting the dental clinic for prevention. salience was 3.26 for beverage and 3.20 (p=0.003) for fruit and vegetable. 3. As to oral health practice according to general characteristics, the score of oral health practice was 3.21 (p=0.000) in female students, 3.30 (p=0.000) in those aged 12 or below, and 3.27 (p=0.000) in 1st?year students. 4. As to oral health practice according to factors related to oral health, the point was 3.17 (p=0.002) in the middle upper class group, 3.24 (p=0.001) in the group eating mainly fruit or vegetable, and 3.18 (p=0.030) in those with experience in education. 5. Oral health practice was in a negative correlation with susceptibility (r=-0.143), and in a positive correlation with benefit (r=0.229) and salience (r=0.286).

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Clients Satisfaction with Oral Hygiene Care Services System Provided by the Dental Hygiene Clinics in the Department of Dental Hygiene, Yonsei University (연세대학교 치위생학과 구강위생교육실을 방문한 대상자의 구강위생관리 서비스체계에 대한 만족도 조사)

  • Kim, Nam-Hee;Kwon, Hye-Ri;Kim, Da-Hye;Kim, Da-Hee;Kim, Min-Hee;Yoo, Seung-Hee;Choi, Jin-Ah;Chung, Won-Gyun
    • Journal of Korean society of Dental Hygiene
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    • v.7 no.4
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    • pp.419-431
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    • 2007
  • The setting of dental hygiene clinics is very important to dental hygiene education, which is the place not only to educate students but also to care clients. The purpose of this study is to provide basic research material for improvement of dental hygiene care system in dental hygiene clinics by analyzing the client satisfaction. A questionnaire survey by means of self-entry method was conducted to find out satisfaction of the client, who was visited to the dental hygiene clinics in the department of dental hygiene, Yonsei University. An analysis of frequency, one way ANOVA and T-Test were performed through SPSS 12.0K program. 1. Most clients were mainly composed of students in Wonju College of Medicine. 2. The clients visited for scaling(85.8%) and oral examination(9.73%) were much than treatment(4.42%). 3. Clients aged 21 to 25 were relatively lower in satisfaction with the facilities, system, attitude than any other ages. 4. The dental hygiene students are the lowest group in satisfaction with the facility, system, attitude than medical and nursing students. 5. The clients satisfaction with dental hygiene clinics was decreased in reverse proportion to visiting frequency. 6. Most of the clients pointed out the problems of appointment system(54.0%) and fee(23.0%), which should be improved than any other operation conditions. 7. Most of the clients were not satisfied with chair time and pain during care. 8. Most clients recognized to receive the better care service than other dental offices(81.3%). Especially, they paid attention to oral health education using phase-contrast microscope. 9. Many clients were dissatisfied with facilities of the dental hygiene clinics(71.7%). The problems of appointment system(54.0%) and chair time of dental hygiene care services(63.6%) had also inconvenienced to clients. The dental hygiene clinics in school play a crucial role in dental hygiene education to foster the student to be competent as a professional dental hygienist in the future. Therefore, well-organized dental hygiene care program based on dental hygiene process is essential. It is also required to improve the environment of dental hygiene clinics including facilities, appointment system and fee etc.

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Community periodontal index treatment needs in relation to dental health care of migrant worker (이주 노동자의 구강건강관리에 따른 치주치료요구도)

  • Jung, Myung-Hee;Kim, Ju-Yeong
    • Journal of Korean society of Dental Hygiene
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    • v.7 no.4
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    • pp.553-567
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    • 2007
  • Migrant Worker are rapidly increasing in Korea since 1990. They are nowadays main sources of laborer groups engaging in medium-sized factories. The purpose of this study is to provide the basic information to establish proper oral health policy. Dental caries and periodontal disese are the most common disease that occur in the mouth. Periodontal disease is the most common disease in humans and the biggest reason for the loss of the teeth in the adult population. The CPITIN has been developed jontly by the international Dental Federation and the World Health Organization. CPITN is now an established index of level, of periodontal condition in populations for which specific intervention might be considered. This study was conducted to obtain the information regarding to CPITN of migrant workers located in Daegu, Questionaire survey was carried out for 289 workers from July 9 to August 8, 2006. Total survey was 289, 224 males and 65 females. The result was as follows: First, The number of nationality was 14. The first majority was China as 31.8% Among 14 nationalities were Cambodia 18.0%, Vietnam 12.8%, Sri Lanka 12.1%, Indonesia 7.3%, Nepal 4.2%, the other 13.8%, those who are aged from 20 to 29 were 43.9%, and salary from 1,000,000 won to 1,490,000 won 51.2%.(as for their residence, those who resided) over 3 years were 42.6% and not insured reached 68.5%. Second, more than 93.4% of the subjects need periodontal treatment, only 4.9% of non-smoker was health periodontal states, four times frequency of tooth brushing per a day was 16.7%. Third, 28.7% of migrant workers had experienced visit of dental clinic, and 22.9% had received treatment of decayed tooth. Fourth, It is difficult for them 65.1% of them to visit dental clinic in korea, the First was a communication problem and the second was time. Fifth, Most of them didn't have a oral health education but 85.1% of them said that they wish they attend oral health education. We conclude that the situation of migrant workers was very bad considering their working conditions, circumstances, and health condition. According to this study, more than 93.4% of the people need periodontal treatment. Besides they didn't have accurate knowledge about prevention of periodontal disease. Therefor our considering these facts, the policy of dental health by government should be established for migrant workers.

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Response of Germination Rate and Ascorbate Peroxidase Activity to Cryopreservation of Perilla (Perilla frutescens) Seeds with Variable Initial Viabilities (들깨 종자 활력 수준별 초저온 동결보존 후 발아율 및 Ascorbate Peroxidase 활성 변화)

  • Lee, Young-yi;Lee, Myeong-hee;Yi, Jung-yoon;Lee, Tae-yoon;Son, Eun-ho;Park, Hong-jae
    • Korean Journal of Environmental Agriculture
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    • v.36 no.4
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    • pp.256-262
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    • 2017
  • BACKGROUND: Seed of perilla (Perilla frutescens var. japonica Hara) is short-lived in conventional storage conditions. For long-term conservation of plant species, cryopreservation is the method currently available. This study was performed to find out reliable methods for a long-term storage of seeds of perilla as a genetic resource. METHODS AND RESULTS: Using seeds of 9 perilla cultivars, the effects of desiccation, aging, and cryopreservation on seed germinability and ascorbate peroxidase activity in the seeds were investigated. Initial germinability of the seeds was various, and dry seeds of all cultivars survived cryopreservation without loss of viability. The highest germination was achieved at 4-5% moisture content, and stimulatory effect of cryogenic temperature on the seed germination was observed in some cultivars. Accelerated aging of perilla seeds led to reduction in germination and ascorbate peroxidase activity, and the susceptibility of seeds to aging was different among the tested cultivars. No significant difference in germination was observed for the aged seeds of control and liquid nitrogen exposed. CONCLUSION: The results of this study suggest that cryopreservation at 4-5% moisture content would be a suitable method for long-term conservation of perilla seeds without detrimental effects on germination.

Effect of Electric Stimulation on Parthenogenesis of In Vitro Matured Oocytes from Korean Native Cows (한우 체외성숙란의 단위발생에 대한 전기자극의 효과)

  • 노규진;공일근;곽대오;이효정;최상용;박충생
    • Journal of Embryo Transfer
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    • v.9 no.2
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    • pp.145-152
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    • 1994
  • The suitable electric stimulation is essential for activation and fusion of oocytes before or after nuclear transplantation The present study was undertaken to determine the optirnal condition for the parthenogenetic activation of in vitro rnatured(IVM) bovine oocytes by electric stimulation. Different direct current(DC) electric voltage of 1.0, 1.5 and 2.0 kV/cm and pulse duration of 30, 60 and 120 $\mu$sec were applied to the JVM nocytes in 0.3 M mannitol solution containing each 100 $\mu$M CaCl$_2$ and MgCl$_2$. IVM occytes at 24, 28 and 32 hours Post-maturation(hpm) were also electrically stimulated at 1.5 kV /cm, for 60 $\mu$ sec. The stimulated nocytes were then co-cultured in TCM-199 solution containing 10% fetal calf serum with bovine oviductal epithelial cells for 7~9 days in a 5% $CO_2$ incubator at 39$^{\circ}C$ ~ Their activation and in vitro development to morula and blastocyst were assessed under an inverted microscope. The higher activation rates 62.8 and 63.4% and in vitro de- velopment rates to morula and blastocyst 5.1 and 10.9% were shown in the oocytes stimulated at the voltage of 1.0 and 1.5 kV/cm than 2.0 kV/cm, respectively. No signifi- cantly(P<0.05) different activation rate was shown in JVM oocytes stimulated for 30, 60 and 120 $\mu$sec, but developmental rates to morula and blastocyst was significantly(P<0.05) higher in the oocytes stimulated for 30 $\mu$sec(6~3%) and 60 $\mu$sec(10~0%) than 120 $\mu$sec(0~ 0%). The aged oocytes at 28 and 30 hpm showed significantly(P<0.05) higher activation rates(72~7 and 79.7%) than the oocytes at 24 hpm(50~9%)~ Also, their developmental rates to morula and blastocyst were significantly(P<0.05) higher in the nocytes at 28(14.3%) and 32 hpm(15.9%) than 24 hpm(3.6%). From these results, it can be suggested that the optimal electric stimulation for IVM bovine occytes is a DC voltage between 1.0 and 1.5 kV/cm, pulse duration of 30 or 60 $\mu$sec, and the optimal age of IVM oocytes for electric activation is at 32 hpm.

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A Study on the Sale Conditions of the Current Brassiere Products - Focusing on the Sale of Brassiere for the Elderly Women - (시판(市販) 브래지어 판매실태(販賣實態) 연구(硏究) -老年女性用(노년여성용) 브래지어 판매(販賣)를 중심(中心)으로-)

  • Park, Eun-Mee;Kim, Young-Sook;Sohn, Hee-Soon
    • Journal of Fashion Business
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    • v.1 no.3
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    • pp.60-70
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    • 1997
  • The purpose of this study is to survey the sales of brassieres positively those of elderly women's (aged 50 or older) ones in particular through 72 sales outlets and thereby, in order to present the more comfortable brassiere models which can serve to reinstate elderly women's constitution and provide the useful basic data to brassiere makers and distributors for their business. The results of this survey and the suggestions therefrom can be summarized as follows; 1) Brassieres usually sell at 10,000-20,000 wons, which allows for 15% or more margin rate. Brassieres are disposed through bargain sales once or twice every year where their price are discount 10% or higher. Meanwhile, the majority of the brassieres distributors maintain more than 15% stock rate. The accumulated stocks are primarily disposed through return to makers or bargain sales. About 15% of the brassieres sold are returned by consumers to distributors to be replaced. 2) About a half of distributors operate some or other types of sales education programs. Most of these distributors feel that their educational program have been effective which suggests the effectiveness of sales educational program. On the other hand, 83.3% of the distributors operate in-house repair shops, while the absolute majority of them brief their customers on how to wear brassieres or clean them. 3) Because elderly women's understanding of brassieres sizes is very poor, they tend to ask help of the 'sales people about their sizes before purchasing and proper one personally. In other words, it has been disclosed that old women respond positively to seller's recommendation for their brassiere sizes. 4) It has been found that the brasseries sizes purchased by old women most are. 85A, 90A and 85B in their order, which suggests that the most popular size for under bust circumference is 85~90cm, while their primary cup size is "A". 5) The type of brasseries favored most by elderly women is the "full-cup" type, while their most favorite brassiere design is a soft and simple one. The colors preferred most by them are white, beige and pink in their order. 6) When being consulted by elderly women, sales people experience various difficulties due to their poor understanding of sizes and complaint about prices. Lastly, it has been found through this survey that elderly women want to see some sales promotion material featuring their brassiere sizes and their production arid ask the brasseries makers to produce more diverse brasseries sizes.

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Heterogenous Clinical Manifestations in Adult Patients with Late Diagnosis of Glycogen Storage Disease type Ia (성인기에 진단된 당원병 제 Ia형의 다양한 임상 양상)

  • Kim, Yoo-Mi;Cheon, Chong Kun;Kim, Gu-Hwan;Yoo, Han-Wook
    • Journal of The Korean Society of Inherited Metabolic disease
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    • v.15 no.1
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    • pp.9-17
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    • 2015
  • Glycogen storage disease (GSD) type Ia is rare inborn metabolic disorder, caused by glucose-6-phosphatase deficiency. It characterized by hepatomegaly, hypoglycemia, lactic acidosis, hypertriglyceridemia, and hyperuricemia and it is usually manifested in the infantile period. In addition, it is also associated with growth failure, pubertal delay, anemia, platelet dysfunction, osteopenia, and pulmonary hypertension. Hepatocellular adenoma and renal dysfunction are frequent late complications. Delayed diagnosis and inappropriate therapy lead to many complications such as growth failure, osteoporosis, refractory gout, renal failure, hepatocellular carcinoma (HCC), and pulmonary hypertension. Here, two Korean sisters diagnosed with GSD Ia, aged 33 and 36 respectively, were described and compared to recent articles about four adults with late diagnosis of GSD Ia. One sister had typical manifestations of GSD Ia including short stature (height, 145 cm), multiple hepatic adenoma, chronic kidney disease stage IV, and severe osteoporosis, whereas the older sister had normal stature (162 cm), one tiny hepatic nodule, and normal renal function. Direct sequencing of G6PC in two sisters identified a homozygous splicing mutation, c.645G>T, which is a prevalent mutation in Korea. Interestingly, our cases and four adults from recent reports had asymptomatic mild hypoglycemia and various manifestations including renal failure, HCC, fatty liver, or uncontrolled hyperlipidemia. These adult cases represent not only heterogenous phenotype to genotype within family members with GSD Ia but also long-term complications such as gouty arthritis, renal failure, and osteoporosis in untreated adult GSD Ia patients. In addition, lactic academia and hypertriglyceridemia are good markers of GSD Ia to distinguish from metabolic disease.

Aging Effect on the Antimicrobial Activity of Nanometal (Au, Ag)-Titanium Dioxide Nanocomposites (Aging 효과에 따른 나노메탈(Au, Ag)-이산화티탄 복합체의 항균 활성도)

  • Park, Hye-Rim;Lee, Sang-Wha;Yoo, In-Sang
    • Applied Chemistry for Engineering
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    • v.23 no.3
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    • pp.293-296
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    • 2012
  • Nanocomposites were fabricated as titanium dioxide ($TiO_2$) doped with nanometals (Au, Ag) by sonochemical reduction method and sol-gel method in order to investigate their antimicrobial activities. Then, the antimicrobial activity of the resulting samples was compared by the measurement of colony numbers survived on the agar plate incubated for 24 h after the loading E. coli on the solid-state media with the nanocomposites. The initial antimicrobial activity of the metal (Au, Ag)-doped $TiO_2$ was higher than that of the pristine $TiO_2$. Afterwards the nanocomposite samples were kept at $4^{\circ}C$ for a long time and the aged samples exhibited the different antimicrobial activity. With the elapse of aging times, Ag-doped $TiO_2$ with $TiO_2$ coating ($Ag-TiO_2$@$TiO_x$) exhibited the higher antimicrobial activity than those of $Ag-TiO_2$and $Au-TiO_2$. The $TiO_2$ coating on the $Ag-TiO_2$ may prevent the oxidation of Ag nanometals and stabilize colloidal nanocomposites.