• Journal of Digital Convergence
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• v.14 no.12
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• pp.537-544
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• 2016

This study was to investigate their relevance between oral health behaviors and number of remaining teeth of the elderly welfare recipients through the fluoride and scaling of the business. Researcher collected 660 subjects over 60 elderly welfare recipients investigated self-administered survey and use denture and number of remaining teeth though oral examination. Increasingly age number of teeth remaining reduced, there is a difference on the number of remaining teeth according to gender, age, the use of oral hygiene products, self diagnosis oral condition, brushing after lunch and showed significant difference(p<0.05). The remaining number of teeth can be prevented by attention and efforts of subjects. Therefore, we investigated convergent effects of oral health behaviors on number of remaining teeth of the elderly, I hope that oral health care program continually provides expansion of preventive treatment and to maintain the provision of health care about vulnerable group.

• Journal of Korean society of Dental Hygiene
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• v.15 no.1
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• pp.63-71
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• 2015

Objectives: The purpose of the study is to investigate the relationship between bone mineral density and remaining teeth in Korean adults. Methods: Using National Health and Nutrition Examination Survey(KNHANES) 5th Year 1(2010), 1,985 adults over 50 years old having bone mineral density test were selected. Male adults were 883, and female adults were 1,102. The raw data consisted of general characteristics of the subjects, bone density data, and oral examination data. The questionnaire consisted of general health survey, laboratory examination study, and nutrition study. Data were analyzed using SPSS 18.0 program for multiple regression analysis, ANOVA, t-test. The variables included general characteristics of the subjects, health behavior, diet habit, and oral health behavior. General characteristics consisted of gender, age, residence area, education level, marital status, monthly income, and vocation. Health behavior consisted of smoking, alcohol drinking, body mass index(BMI), physical activity, and mental health. Diet habit consisted of frequency of meal, milk, coffee, and calcium ingestion. Oral health behavior consisted of frequency of tooth brushing, use of oral health care devices, and oral examination. Systemic diseases were measured by the questionnaire for hypertension, diabetes mellitus, and hyperlipidemia. Bone density was measured in T-score of femoral bone, neck of femur, and lumbar vertebrae. Bone density was classified into normal($T-score{\geq}-1.0$), osteopenia(-2.5 < T-score < -1.0), and osteoporosis ($T-score{\leq}-2.5$). The remaining teeth were measured by the differences between normal teeth and missing teeth. Results: Smoking and age are the most influencing factors on the number of remaining teeth and bone density(p<0.01)(p<0.05). Those who had higher bone density, younger age, and nonsmoker significantly had more remaining teeth. Those who were men, diabetic, lowly educated women, and low birth weighted persons tended to have less number of teeth(p<0.01). Conclusions: The study suggested that there were significant differences between men and women according to the oral health management behavior and systemic disease control. Proper management of the oral health and good quality of bone mineral density can reserve the remaining teeth through the whole life.

• Journal of Korean society of Dental Hygiene
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• v.12 no.2
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• pp.275-284
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• 2012

Objectives : The purpose of this study was to examine the oral health behavior of shipbuilding company workers in some regions in a bid to provide information on the oral health plans for industrial fields. Methods : The subjects in this study were 310 workers in 10 shipbuilding companies and suppliers in Jeolla Namdo Province, on whom a self-administered survey was conducted. Results : 1. Concerning general information about the subjects who participated in the research, gender was possessed 94.8% by men and 5.2% by women. Age was the largest in 31~40 years old with 44.2%. Marital status was the largest in the married with 64.5%. It was the largest in under high school graduate with 71.9% for academic background, in 2,000,000 won~3,000,000 won with 49.0% for monthly family income, and in cooking with 33.9% for work field. 2. Research subjects' toothbrushing time was indicated to be the largest in after having breakfast. It was indicated to be twice a day with 41.3% for toothbrushing frequency. 90.3% of the respondents are not using auxiliary oral hygiene devices. 3. Recognition on periodontal health status was found larger in workers whose response was that their own periodontal health status is 'healthy' than workers who responded that their status is 'not healthy.' Workers, who don't have subjective symptom on periodontal status, were indicated to be larger. 4. Ratio of subjects with tooth scaling experience accounted for 59.7%. The ratio of tooth scaling experience was indicated to be different depending on academic background and monthly family income. Conclusions : Academic credential, monthly family income and the line of work were identified as the main factors to affect oral health care of the shipbuilding workers. Oral health education and dynamic implementation of corporate oral health promotion which are designed to meet the needs of workers are required.

• Oral Biology Research
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• v.42 no.4
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• pp.208-215
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• 2018

The purpose of this study was to identify the risk of dysphagia among patients that visited prosthodontics department, and evaluate the difference in risks arising from oral conditions and disease in order to preliminarily intervene the various influencing factors of dysphagia. A questionnaire was given to patients that were aged 65 years or older who visited the prosthodontics department between September to December 2017. The data was collected and analyzed using the t-test, $x^2-test$ and logistic regression analysis. The mean age of the patients was 75 years. Out of 300 patients, 206 patients (68.7%) had a risk of dysphagia. There were statistically significant differences between the -non-risk and risk groups, which included the number of natural teeth, total number of teeth including prosthesis, denture use, denture discomfort, number of tooth brushing, oral dryness, digestive system diseases, and musculoskeletal diseases. Among these, oral dryness was a risk factor while the total number of teeth, including natural teeth and prostheses, served as a protective factor. More than half of the elderly patients were at risk of dysphagia. Oral dryness is influenced by many factors and it should continuously be managed. Patients should fully recover their masticatory function by preserving the remaining teeth and compensating for the missing teeth. A dental practitioner should be fully aware of the risk of dysphagia in elderly patients and be able to intervene and offer proper patient health care in advance through treatment guidelines and education.

• Journal of dental hygiene science
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• v.9 no.2
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• pp.169-179
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• 2009

This study aims to present a fundamental data base to figure out the mental and the physical conditions that the dental technicians are facing and ultimately to develop a health care program to deal with their health related problems. To this end, we took an analysis on the health status among the subjects of 895 dental technicians currently working at the dental lab around the nation from January 15 to March 31, 2009 by way or Todai Health Index(THI). Of the average scale point in accordance with 12 scale scores of the physical and the mental subjective symptom, the results revealed that the physical appeals (21.10) were higher than the mental appeals (18.49) and the multiple subjective symptom was marked as 38.44 followed by the mental irritability (25.92). In gender differences, the females proved to be higher than the males in both physical appeals and mental appeals while the physical appeals were dominant in both genders. The physical appeals were higher than the mental appeals with regard to the general characteristics. In the case or the group or age twenties as shown in the physical and mental average scale point, the other groups showed 21.55% of the physical appeals among the married whereas the mental appeals showed the highest point as 18.70 in the unmarried group. In job position, the other groups marked the highest, in working condition, below average group marked the highest, in frequency of break time, none group marked the highest. We drew a conclusion form this study that the dental technicians gained the higher points in the item or the multiple subjective symptom, the menial irritability, and the irregular life. More research on th is phenomena should be followed along with the development of various and practical health care programs to promote the health or dental technicians.

• Journal of Korean society of Dental Hygiene
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• v.10 no.6
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• pp.1129-1139
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• 2010

Objectives : The purpose of this study was to examine the toothbrushing practice behavior of preschool children by observing children's actual toothbrushing behavior and further to offer basic data available for being reflected in direction and goal establishment of the systematic and organized oral health education in consideration of individual characteristic. Methods : It targeted 225 preschool children from May 6, 2010 to June 8, and analyzed by having the survey results of totally 208 people, except 17 who are noncooperative with the observation survey. As for the collected materials, it carried out frequency analysis and $x^2$-test in order to grasp subjects' general characteristics and toothbrushing practice behaviors and to examine correlation, by using SPSS 12.0 for window. Results : 1. A grasp of toothbrush was indicated 47.1% for "proper" and 52.9% for "improper." The position of holding a toothbrush was indicated to be the highest with 59.6% for "the center in grip." 2. Toothpaste amount was indicated to be 49.0% for" tip in toothbrush, "followed by 38.9% for "half in toothbrush" and 12% for "every side of toothbrush" in order. Significant difference was shown according to age($x^2$=19.125. p<.05). 3. Average toothbrushing time per once was surveyed to be $106{\pm}56$ seconds. 4. As for a toothbrushing method by region, the labial and the baccal surface were indicated to be horizontal scrub with 63% and fones method 11.5%. Significant difference was shown according to gender($x^2$=10.275. p<.05). The anterior lingual surface wasn't washed with 72.6%. Significant difference was shown according to appearance of education($x^2$=6.056. p<.05). 5. A case of requiring exchange because of being widened toothbrush was indicated to be 59.2%. The toothbrush replacement in the highest ratio was needed in kindergarten teachers. Conclusions : The actual toothbrushing practice attitude of preschool children was surveyed to be not right as a whole such as toothbrushing time, toothbrushing method, toothpaste amount, and replacement of toothbrush. Accordingly, the oral health education will need to be performed in order for a change into positive attitude and for improvement in practice level. In addition, it is considered to be likely necessary for development in substantial oral health educational program available for enhancing knowledge level of oral health care in mothers and kindergarten teachers.

• Journal of dental hygiene science
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• v.8 no.4
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• pp.261-266
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• 2008

The purpose of this study was to examine the effects of the toothpick method, one of professional toothbrushing methods, on the prevention of periodontal diseases and the satisfaction level of patients with that. The subjects in this study were 33 patients who included 16 men and 17 women. After the toothpick method was applied to the selected patients from January 9 to February 28, 2008, the collected data were analyzed with SPSS (Statistical Package for the Social Science) 12.0 program. The findings of the study were as follows: First, the patients investigated showed a 0.71 reduction in PI than in the past. The index of bleeding upon probing stood at 5.12, which dropped from 8.09 in the beginning. Second, the patients gave a mean of 4.20 to the professional toothbrushing out of possible five points, which showed that they expressed satisfaction with that. Third, as for the relationship between general characteristics and satisfaction level, the women were more satisfied with that ($4.25{\pm}0.33$). By age group, those who were in their 60s and up found that more satisfactory ($4.31{\pm}0.30$). Fourth, as to changes in oral symptoms by gender, the largest number of the men and women considered their gums to become healthier after the professional toothbrushing was applied. The above-mentioned findings suggested that dental institutions should be equipped with well-educated oral health care personnels who are responsible for the periodontal health of patients, and the development of oral health promotion programs is urgently required as well.

• Journal of dental hygiene science
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• v.6 no.2
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• pp.55-63
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• 2006

The purpose of this study was to provide the basic data for preventing dental caries, and maintaining and enhancing oral health. The subjects of this study were 138 male and female students who were in the 6th grade of elementary schools in Gimpo city. This study investigated the number of decayed tooth and the factors related to the number of decayed tooth, by using the results of questionnaire and oral health survey over such subjects. So, this study obtained the following conclusions. 1. For the number of decayed tooth, 'nothing(D = 0)' was the highest as 37.7%, and 'from two to three' was 23.9%, 'more than four' was 21%, and 'one' was 17.4% in order. 2. For the frequency of visiting dental clinics within the last one year, 'one to two times' was the highest as 52.2%, and the children who have not visited dental clinics even one time during one year were 23.9%. 3. For average daily tooth brushing frequency, 'two times' was the highest as 71.7%. For the use of oral health devices besides toothbrushes, 'I don't use' was the highest as 54.3%. For the experience of sealant and fluoride application, 'nothing' was the highest as 86.9% and 71.3% respectively. For the recognition on the use of fluoride dentifrice, 'I don't know' was the highest as 66.9%. 4. The socio-demographic factors related to the number of decayed tooth were mother's age, mother's background, mother's employment, and after-school fosterer(p > 0.05). 5. The oral health care factors related to the number of decayed tooth were average daily tooth brushing frequency, the use of oral health devices besides toothbrushes, and the experience of fluoride application.(p > 0.05) 6. The snack intake factors related to the number of decayed tooth were tooth care foods intake frequency and decaying foods intake frequency(p > 0.05). 7. The oral health belief item related to the number of decayed tooth was susceptibility(p > 0.05). 8. According to the results of regression analysis, the less mother was employed, the more the average daily tooth brushing frequency was, the more the tooth care foods intake frequency was, the less the decaying foods intake frequency was, and the higher susceptibility was, the lower the number of decayed tooth. 9. In order to prevent and cure early the dental caries which occur frequently in elementary school students, the establishment of oral health centers within schools should be expanded to promote tooth brushing instruction, fluoride solution rinsing, diet control, periodic oral examination.

• Journal of the korean academy of Pediatric Dentistry
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• v.25 no.3
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• pp.525-532
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• 1998

The autism is a complex disorder, characterized language impairment, perceptual-motor difficulties, and social disturbance. The autistic children have hyperactivity, lack of communication' lack of cooperation, inappropriate patient/dentist interaction, so they require professionally recognized behavioral management technique during dental treatment such as behavior modification, phamacological agents, and general anesthesia. A behavior management technique can be chosen by factors such as the severity of autism and possible accompanying disabilities, degree of cooperation, oral and general conditions of children. A non-pharmacological behavior modification may be selected for the autistic children who are able to communicate with dentist with mild dental caries, without compromised medical history. In case of excessively hyperactive, destructive, antisocial, and/or severe communicative disorder, a sedation technic with chloral hydrate, hydroxyzine, midazolam or nitrous oxide gas might to be performed. General anesthesia is preferred for severe communicative and/or behavioral disorder, elder age, excessive dental care need, and living a remote area.

• The korean journal of orthodontics
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• v.51 no.5
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• pp.355-362
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• 2021

Objective: This study aimed to establish the prevalence and patterns of nonsyndromic tooth agenesis in patients referred to a tertiary health care facility. Methods: The intraoral records and panoramic radiographs of 9,874 patients aged 12-22 years were evaluated. The study group included 716 patients (371 male, 345 female) with non-syndromic agenesis of at least one tooth (except the third molars). The study data were assessed using descriptive statistics, chi-square test, and Mann-Whitney U test, while patterns were evaluated using a tooth agenesis code (TAC) tool. Results: A total of 1,627 congenitally missing teeth, were found in patients with non-syndromic tooth agenesis, with an average of 2.27 missing teeth per patient. The prevalence of tooth agenesis was 7.25%, and the most commonly missing teeth were the left mandibular second premolars (10.17%). The age group comparison revealed no significant difference in the median number of missing teeth per patient according to the cutoff values for ages between 12 and 22 years. When the missing teeth were examined separately according to quadrants, 114 different tooth agenesis patterns (upper right quadrant = 28, upper left quadrant = 27, lower left quadrant = 31, and lower right quadrant = 28) were identified, and 81 of these patterns appeared only once. Conclusions: This study highlights the benefits of applying the TAC tool in a large sample population. The application of the TAC tool in such studies will enable the development of template treatment plans by determining homogenous patterns of tooth agenesis in certain populations.