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This study aims at understanding the relation between recent dental treatment experiences and therapeutic ranges according to dental plans capable of making direct profits in the dental clinic, in patients who first visited a dental clinic in order to apply to development of dental profit models using recent dental treatment experiences of the patients. For this study, a research was conducted with total 558 patients who visited O Dental Clinic, located in Samsung-dong, Gangnam-gu, Seoul, including 334 male and 224 female patients in the period between Jan 1 and Dec 31, 2010. Data were collected from inquiry tables prepared by patients in person, who first visited the Clinic, and they were statistically processed using SPSS (Statistical Package for Social Science) for Window Version 11.5. First, according to recent dental treatment experiences, results were shown to be highest as follows, in case of dental treatment within 1 year, 168 male patients (30.1%) in sex, 97 patients in thirties in age (17.4%), 76 patients with their places of work nearby the Clinic (13.6%) in referral routes and 256 patients (45.9%) who wanted their painful areas alone to be treated in ranges of medical examination. Second, according to therapeutic ranges, results were shown to be highest as follows, 193 male patients (34.6%) in sex, 97 patients in thirties (17.4%) in age, 74 patients with their places of work nearby the Clinic (13.3%) in referral routes and 253 patients (45.3%) who wanted to have their painful areas alone treated, and full treatment. Third, according to the relation between the recent dental experiences and therapeutic ranges, results were shown as follows, in case of dental treatment within 1 year in recent dental treatment experiences, 166 patients with full treatment (29.7%), 102 patients with non-treatment within 1 year (18.3%) and 73 patients treated within 1 to 3 years (13.1%) in order. According as the relevant Dental Clinic, in this study, is located in the central commercial district, most of new patients were group health insurance subscribers and most of them have been recently treated. Here, the recent dental treatment experience can be regarded as oral examination and preventive treatment, in addition to visit to the Dental Clinic. Accordingly, in my opinion, it is necessary to develop in-dental clinic programs capable of extending potential customer groups according to use of the designated clinic for dental treatment and referring to the importance of early treatment. It is also urgent to extend dental experiences by development of preventive control programs enough to be participated with patients and dental hygienists. Moreover, to give a clear explanation of actual reasons for oral medical treatment, further studies are required to give consideration to items such as jobs, incomes, etc. as socio-economic factors of new patients visiting dental clinics each.

Health is a major part of our happiness, and to keep such health, dental health is essential. Thus, to maintain dental health requires a continued care of the two major dental diseases, namely, dental caries and periodontal disease. Thus, in order to emphasize the importance of dental plaque control programs at dental clinics, it is hereby reported about cases of the application of the dental plaque control program to patients who visited a dental clinic in City B for around four weeks from October 2010. With the agreement of the patients, in order to evaluate their dental state, detailed examination items included in the comprehensive dental hygiene procedure were used. In addition, Professional tooth brushing used the Watanabe's method involving the use of two-row bristle toothbrushes . Detailed examination items included an interview for mental health and dental health, O'Leary Index, pocket depth, bleeding upon probing (BOP), and calculus index. 1. The dental plaque control program confirmed that the patients' O'Leary Index, pocket depth, BOP decreased, thereby improving their dental environment. 2. The dental plaque control program fully motivated patients to take care of their teeth on their own. The continuous dental health education confirmed that the dental plaque control program can be used as a preventive continuous dental health promotion program at dental clinics and hospitals. 3. Professional dental plaque control does not necessarily ensure a continuous care depending on the situations of dental clinics or patients. Thus, in order to continue dental plaque control, a program designed for a specific and systematic control needs to be developed, more than simply brushing patients' teeth.

The present study established the following specific study questions: First, how the dental hygienists in clinical settings perceive the written examination system? Second, how the dental hygienists in clinical setting perceive the practical examination system? Third, the resultant responses to how the dental hygienists in clinical setting perceive the curriculum are as follow. The subjects of the study included 200 dental hygienists who were employed by the dental hospitals, dentists, and public health centers (branches) in the Geyongnam region. Followings are the summary of the results from this study. First, it was found that the dental hygienists were satisfied with the written examination regardless of their years of experience, and that they perceived the level of difficulty as a medium. It was also found that they perceived the clinical usefulness of the written examination was low, and the number of the current written examination subjects should be appropriately adjusted. It seems that the examination subjects and points distribution for scoring are not appropriately reflecting the clinical needs. Second, the study results indicated that the dental hygienists were satisfied with the practical examination, regardless of their years of experience. It was found that they perceived the clinical usefulness of the practical examination as low, and that there was significant difference in satisfaction with the examination sites among the subjects with different experiences. It is thought that this idea came up from the variation in examination date and locational distribution, considering the burden of the local students. As for the perception of the practical examination marking, they perceived that the teachers in teaching profession are marking more objectively than the teachers in the clinical settings. Third, the dental hygienists perceived the curriculum as an average regardless of their years of experience. They also perceived that the examination subjects did not reflect the most recent dental medicine in a proper way. They highly perceived that the examination subjects were centered towards the theory. Its was found that dental prosthetics was the most required subject in the clinics, and community health dentistry and oral health administration were the least required subjects among the public oral health. It was shown that both the preventive treatment subject and dental prosthetics should be reinforced in order to secure the specialty. It was found that the assignment in the clinics were usually more related with the subjects. Given that the problem sets for the assessment of problem solving ability in practical settings have been issues in all the examinations for all types of health care workers, it is necessary to improve the national examination for dental hygienists as well. The national examination should be used for assessing clinical usefulness, rather than assessing the memory capacity of the testee. In addition, it is expected that a new direction for the development of the examination questionnaires for national examination should be determined through the converged opinions by utilizing clinical practitioners who are able to figure out the practical abilities of dental hygienists.

The research focuses on how a mother's oral health knowledge and behavior influence her child's oral health condition. In June of 2010, three kindergartens were randomly selected in Busan. To learn the dental caries status of primary teeth by children from age 4 to 6, a trained investigator performed oral examination, then selected 204 children and their mothers as objects of this study. Questionnaires - about mothers' oral health knowledge and behavior and children's oral health behavior - were handed out and collected via kindergartens. Collected data was analyzed using SPSS 12.0. 1. Mothers of a boy tended to have high level of oral health knowledge. At the same time, boys had less number of decayed or filled primary teeth than girls. Children with workless mothers and children brought up in a household with large monthly income tended to show less number of decayed or filled primary teeth. However, the difference was insignificant. 2. When categorized according to children's age, mothers of a 4-year-old child showed high level of oral health knowledge. Also, the number of decayed and filled primary teeth showed a result (p<.001) proportional to children's age. 3. Children showed less number of decayed and filled primary teeth (p<.05) when their mothers have had any experience on scaling for the prevention of oral diseases. Furthermore, children who visits a dentist for purpose of preventive treatment showed less number of decayed and filled primary teeth (p<.001). According to results of the study, Mother's oral health knowledge and behavior are important influencing factors on children's oral health. One can also see that mother's attention to her child works as an important factor.

The human life expectancy has been extended thanks to the development of economy and society, the advance of science and technology, and the rise of living standard, but the prevalence of systemic diseases is increasing steadily. This study was conducted in order to investigate subjective periodontal health condition and oral health behaviors according to history of systemic diseases, in particular, hypertension, diabetes and hyperlipidemia, and to provide basic information for developing programs to manage systemic disease patients’ oral health. For this study, we selected 419 adults in Jollanam‐do through convenient sampling and conducted a survey using a self‐reporting questionnaire during the period from the 16th to 30th of May, 2011. Of the 419 questionnaires, we excluded 16 replied adequately and used 403 questionnaires in the final analysis. Collected data were analyzed through frequency analysis and Chi‐square test with SPSS Version 17.0 for Windows. According to the results of this study, in the group with history of diabetes, subjective perception of bad breath was higher and those with smoking experience were more than those without, and the difference was statistically significant (p<0.05). In the group with history of hypertension, subjective tooth mobility was higher, and the difference was statistically significant (p<0.05). In the group with history of hyperlipidemia, those with smoking experience were more than those without, and the difference was statistically significant (p<0.05). In the group with history of systemic disease, subjective tooth mobility and subjective perception of bad breath were higher, and the difference was statistically significant (p<0.05). As to the relation between the number of systemic diseases experienced and tooth brushing frequency, the healthy group was found to brush the teeth 3 times or more a day and the group with history of 2 or more systemic diseases was found to brush the teeth twice or less a day. Thus, tooth brushing frequency was lower in the group with history of multiple systemic diseases than in the healthy group and the difference was statistically significant (p<0.05). Those with history of diabetes showed higher subjective perception of bad breath and those with history of hypertension showed higher subjective tooth mobility, and these differences were statistically significant (p<0.05). In addition, those who experienced a larger number of systemic diseases were found to brush their teeth less and the difference was statistically significant (p<0.05).