• Journal of Korean society of Dental Hygiene
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• v.8 no.3
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• pp.107-114
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• 2008

The purpose of this study was to examine the awareness of adult patients visiting dental clinics about periodontal diseases. The subjects in this study were 204 patients who paid a visit to five dental clinics and a dental hospital in the region of Jeonju. After a survey was conducted, the results were obtained as follows: 1. With regard to toothbrushing method, the most of the male patients(43.8%) brushed their teeth by rolling the toothbrushes up and down, and the most of the female patients(46.1%) did that both up and down and right and left. As to the influence of smoking, the largest number of the smokers(50.0%) and nonsmokers(40.4%) brushed their teeth both up and down and right and left. statistically significant differences were shown by gender and smoking(p<0.05). 2. As for knowledge acquisition route on periodontal diseases by gender, there was no way for the men(38.2%) to get the information, and the largest number of the women (43.4%) acquired the information through the internet. With respect to smoking, the largest numbers of the smokers(38.2%) and nonsmokers(37.5%) got the information by the internet, and statistically significant differences were found (p<0.05). 3. Concerning treatment method of periodontal diseases provided by the dental clinic, the largest number of the men(33.7%) got their teeth scaled, and the greatest group of the women(29.6%) had their gums treated. The treatment method made statistically significant differences by gender (p<0.05). Regarding smoking, the largest group of the smokers(32.4%) had their teeth scaled, and the largest number of the nonsmokers(28.7%) got their gums treated. significant differences were made statistically by smoking (p<0.05). 4. As to instruction on the prevention of periodontal diseases, the largest group(63.2%) intended to take that. The second (23.0%) was eager to do it, and the third(13.8%) was unwilling to do it.

• Journal of Korean society of Dental Hygiene
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• v.19 no.2
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• pp.207-219
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• 2019

Objectives: This study investigates the dental hygienist's main duties in clinical dental practice and examine whether dental hygienists can safely perform each duty by referring to the educational contents of dental hygiene departments and national examinations of dental hygienists. Methods: A questionnaire on the main duties of dental hygienists was administered to 477 clinical dental hygienists working at dental clinics and hospitals, general dental hospitals, and university dental hospitals in Seoul, Gyeonggi-do, and Incheon. We divide the dental hygienists' clinical dental hygiene practice and clinical dental assist and analyze the legal scope of practice, university educational contents, and national examination contents. Statistical analysis was performed through frequency analysis, and multi-frequency data were analyzed using Excel 2013. Results: All 48 items (except 2 items of 29 dental hygiene practice and 21 assist practice items) surveyed were covered in the National Examination for Dental Hygienists and included in the Dental Hygiene Education Learning Objective. The multi-frequency clinical dental practice of eight items of clinical dental hygiene practice and two assist practice items were within the legal scope of the dental hygienist's role. Conclusions: Further discussions are needed to redefine the legal scope of the role of the dental hygienist.

• Journal of Dental Anesthesia and Pain Medicine
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• v.16 no.3
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• pp.203-208
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• 2016

Background: In South Korea, the number of cases of dental treatment for the disabled is gradually increasing, primarily at regional dental clinics for the disabled. This study investigated pediatric patients at a treatment clinic for the disabled within a university hospital who received dental treatment under general anesthesia. This data could assist those that provide dental treatment for the disabled and guide future treatment directions and new policies. Methods: This study was a retrospective analysis of 263 cases in which patients received dental treatment under general anesthesia from January 2011 to May 2016. The variables examined were gender, age, reason for anesthesia, type of disability, time under anesthesia, duration of treatment, type of procedure, treatment details, and annual trends in the use of general anesthesia. Results: Among pediatric patients with disabilities who received dental treatment under general anesthesia, the most prevalent age group was 5-8 years old (124 patients, 47.1%), and the primary reason for administering anesthesia was dental anxiety or phobia. The mean time under anesthesia was $132.7{\pm}77.6min$, and the mean duration of treatment was $101.9{\pm}71.2min$. The most common type of treatment was restoration, accounting for 158 of the 380 treatments performed. Conclusions: Due to increasing demand, the number of cases of dental treatment performed under general anesthesia is expected to continue increasing, and it can be a useful method of treatment in patients with dental anxiety or phobia.

• Journal of Korean society of Dental Hygiene
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• v.18 no.3
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• pp.281-293
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• 2018

Objectives: This study was conducted to identify the requirements for the clinical dental tasks in the dental hygienists using the frequency of dental hygienists' tasks in the Korean dental clinics, and to provide them with the core competencies for achieving these. Methods: This study was based on evaluation of a self-reported survey. The dental hygienists were investigated upon classification of their tasks into direct and assistant performances, and the dentists were investigated by the competency level of the dental hygienists. The data from 481 clinical dental hygienists and 67 dentists were used for final analysis in this study, excluding the subjects who provided incomplete or inappropriate responses to the survey. The collected data were analyzed by frequency analysis. Results: The clinical dental core competency tasks of the dental hygienists were divided into 4 tasks for common dentistry, 4 for periodontics, 5 for conservative dentistry, 5 for pediatric dentistry, 5 for dental prosthodontics, and 3 for dental orthodontics. Clinical dental core competency tasks of the dental hygienists were performed more frequently of tasks performance than 8.0, and dentists required competence level was similar to that of most dental hygienists clinical dental core competencies. Conclusions: It is necessary to check whether the curricula of the universities include the competencies for the students enough to perform the corresponding tasks and the core competencies need to be reflected in the curricula. The clinical dental core competencies need to be agreed by dental hygienists, and it is necessary to be organized as the evaluation guide of the institute of dental hygiene education and evaluation and utilized as the national examination.

• Imaging Science in Dentistry
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• v.42 no.4
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• pp.237-242
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• 2012

Purpose: The objectives of this study were to survey the radiographic exposure parameters, to measure the patient doses for intraoral dental radiography nationwide, and thus to establish the diagnostic reference levels (DRLs) in intraoral dental X-ray examination in Korea. Materials and Methods: One hundred two intraoral dental radiographic machines from all regions of South Korea were selected for this study. Radiographic exposure parameters, size of hospital, type of image receptor system, installation duration of machine, and type of dental X-ray machine were documented. Patient entrance doses (PED) and dose-area products (DAP) were measured three times at the end of the exit cone of the X-ray unit with a DAP meter (DIAMENTOR M4-KDK, PTW, Freiburg, Germany) for adult mandibular molar intraoral dental radiography, and corrections were made for room temperature and pressure. Measured PED and DAP were averaged and compared according to the size of hospital, type of image receptor system, installation duration, and type of dental X-ray machine. Results: The mean exposure parameters were 62.6 kVp, 7.9 mA, and 0.5 second for adult mandibular molar intraoral dental radiography. The mean patient dose was 2.11 mGy (PED) and 59.4 $mGycm^2$ (DAP) and the third quartile one 3.07 mGy (PED) and 87.4 $mGycm^2$ (DAP). Doses at university dental hospitals were lower than those at dental clinics (p<0.05). Doses of digital radiography (DR) type were lower than those of film-based type (p<0.05). Conclusion: We recommend 3.1 mGy (PED), 87.4 $mGycm^2$ (DAP) as the DRLs in adult mandibular molar intraoral dental radiography in Korea.

• Journal of the korean academy of Pediatric Dentistry
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• v.39 no.4
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• pp.348-356
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• 2012

The treatment pattern of pediatric dentistry has been changing recently, because of so many socioeconomic changes such as decrease of birth rates and prevalence of caries. The purpose of this study is to recognize the changing patterns in pediatric dental treatment and to help predict future direction for pediatric dentistry. Patients distribution and treatment pattern were examined in all new patients of the department of pediatric dentistry, Chosun University Dental Hospital and two pediatric local clinics in Gwang-ju, from 2005 to 2010. The number of new patients in recent 5 years has been increasing. There was a higher ratio of male patients. Age distribution has shown the percentage of 3~4 age group was highest. The hospital visit rate to Chosun University Dental Hospital was high, whereas the visit rate for local clinics was low. Dental caries showed the highest percentage in chief complaints, oral examinations have increased. The percentage of restoration treatment was highest, fluoride treatment had increased. In restorative treatment, the percentage of resin and GIC restoration was highest and amalgam restoration has decreased. The percentage of sedation treatment was decreased a little, Chosun University Dental Hospital showed a higher rate than local clinics.

• Journal of Korean society of Dental Hygiene
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• v.2 no.1
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• pp.63-83
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• 2002

The purpose of this study was to serve as a basis for more efficient dental hygienist human resources utilization and for determining some of the right directions for supplementary education for dental hygienists, by examining how they actually worked and what they thought of job-related things. The subjects in this study were 537 dental hygienists who participated in a seminar by the Korea Dental Hygienist Association. After a survey was conducted, the following findings were given: 1. 50.2% of the dental hygienists investigated completed legally required eight-class education. Those who worked in clinics took less supplementary education classes than the others in the other types of dental institutions. The main reason they didn't receive supplementary education was financial burden and uncooperative employers. 73.2% took supplementary education at the association or its branches. The association was most favored by those in clinical sector as a place that provides supplementary education, followed by its branch and university in the order named. And the dental hygienists in public health sector preferred university most, and the next best favored one was the association and its branch in the order named. Those in clinical sector hoped to acquire clinical information on patient management, implant or aesthetics, and the dental hygienists in public health sector wanted to learn about health administration, public oral health operations and oral health education, which were different from what those in clinical sector wanted. 2. Regarding the period of service, 492% had worked for three years or more. This fact suggested that their service term and average age continued to grow. And they thought they would decide the retirement time on their own. 3. The most common yearly income ranged from 12 million won to 16 million won(40.7%). For-those in clinics, yearly income was 14.36 million won, and that of the dental hygienists who had worked for less than 3 years was 12.90 million won. 4. The Korea Dental Hygienist Association was most required to protect the rights and interests of the members and offer new knowledge and technology. 5. The largest group of them were engaged in patient management, and this type of job also was the most favored one for them to do. The greatest number of the dental hygienists in public health sector were in charge of dental treatment. 6. Concerning their turnover rate, 492% had never changed their occupation. Specifically, 70.0% of the respondents who had worked for less than 3 years had have no experience to do that. The time constraints for self-development and conflicts with other workers were the cause of their turnover. Those in dental hospital and general hospital changed their occupation chiefly due to the lack of time for self-development, and for the dental hygienists in clinics, the conflicts with other workers were the main reason. The above-mentioned findings suggested that the way the dental hygienists looked at things was undergoing change. The service area made a difference to their preference for the type of supplementary education and institution in charge of it, as those in public health and clinical sectors had a different opinion. And the dental hygienists in clinical sector had a different opinion as well, according to service area, about salaries, reason of not taking supplementary education, preferred type of supplementary education, cause of turnover, and type of occupation to which they hoped to change employment. To utilize and supply human resources in a more stabilized manner, job description should be more segmented, standardized and classified clearly, and dental hygienists should be motivated to perform their substantial jobs, including oral disease prevention, oral prophylaxis and oral health education. To make it happen, it seems that dentists are required to have a clear understanding of dental hygienist job and to change the way they look at it.

• Korean Journal of Cleft Lip And Palate
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• v.7 no.1
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• pp.35-46
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• 2004

The frequency of abnormality at birth is average 1-1.5%, and of these, cleft lip & palate is known to be the most frequent congenital abnormality, Cleft is considered to be due to multi-factorial heredity correlated with genetic and environmental factors, Cleft patients require the collaborative treatment with several medical departments, Clinics for Maxillo-Oral Disorders of Tohoku University Dental Hospital performs the total managements related to such as occlusion and language for the patients with congenital maxilla-facial abnormality, This study examined the patients with cleft lip and/or palate who came to the Clinics for Maxilla-Oral Disorders of Tohoku University Dental Hospital for the past 17 years from Jan. 1987 to Dec, 2002, and had the results as follows, 1. Annual mean number of patients The annual mean number of the patients for 17 years from Jan, 1987 to Dec, 2002 was 91 patients, ranging from 63 minimum to 116 maximum, 2, Gender and types of cleft There were 747(51%) males and 709(49%) females, with a male to female ratio 1,05:1. CLP was the most frequent cleft type as shown in 616 patients, and other patients manifested different complaints such as CL, CP, SMCP and MC in order. 3. The laterality in cleft type The lip cleft was frequently expressed orderly on left, right and both sides of CL patients while orderly being shown on left, both and right sides of CLP patients. Accordingly, lip cleft was most commonly found on the left side. 4. Address at first visit Of 1,456 subjects, 850(58.4%) patients were residing in Miyagi Prefecture, where this hospital is located. 5. Age at first visit 615(42.2%) patients came to the hospital at their age younger than 1 year old, comprising 282(19.4%) patients age younger than 2 months old and 333(22.9%) patients age between 2 month old and 1 year old. 6. Mother's age at birth For the mother's age at birth, 526(39.9%) patients were at the age of 25 to 30 years old, and 17(1.3%) patients were over 40 years old. 7. Birth weight 34.3%(443 patients) had a birth weight of 2500-3000gm and 56.0%(724 patients) had a 3000-4000gm. It was also found that 7.9%(102 patients) had a birth weight of less than 2500gm. 8. Familial expression The frequency of familial expression was 6.5%(94 patients).

• Journal of Periodontal and Implant Science
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• v.48 no.5
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• pp.317-325
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• 2018

Purpose: We investigated correlations between the findings of oral examinations and panoramic radiography in order to determine the efficacy of using panoramic radiographs in screening examinations. Methods: This study included patients who visited dental clinics at National Health Insurance Service (NHIS) Ilsan Hospital for checkups during 2009-2015 and underwent panoramic radiographic examinations within 1 year prior to the oral examinations. Among the 48,006 patients who received checkups, 1,091 were included in this study. The data were evaluated using the Cohen kappa and interrater agreement coefficients. Accuracy, sensitivity, and specificity were calculated using data from the panoramic radiographs as true positive diagnoses. Results: The interrater agreement coefficient for occlusal caries was 28.8%, and the Cohen kappa coefficient was 0.043 between the oral and panoramic radiographic examinations. Root caries and subgingival calculus were only found on the radiographs, while gingival inflammation was found only by the oral examinations. The oral examinations had a specificity for detecting occlusal dental caries of 100%, while their sensitivity for proximal dental caries and supragingival calculus was extremely low (14.0% and 18.3%, respectively) compared to the panoramic radiographic examinations. The oral examinations showed a relatively low sensitivity of 66.2% and a specificity of 43.7% in detecting tooth loss compared with panoramic radiography. Conclusions: Panoramic radiography can provide information that is difficult to obtain in oral examinations, such as root caries, furcation involvement, and subgingival calculus, which are factors that can directly affect the survival rate of teeth. It therefore seems reasonable and necessary to add panoramic radiography to large-scale health checkup programs such as that provided by the NHIS.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.32 no.5
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• pp.467-472
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• 2010

Eagle's syndrome is the manifestation of elongated styloid process that is not a common entity in dental clinics. Without the knowledge of this syndrome misdiagnosis can be made and therefore differential diag-nosis with other diseases of oral and maxillofacial area is required. The symptoms of elongated styloid process are cervical pain, foreign body sensation, dysphagia and pharyngeal pain. A 27 years old male vis-ited our hospital. He had cervical pain with unilateral facial nerve palsy. Along with meticulous clinical examinations, 3D-CT, Plain radiographic studies were used to make the diagnosis. In computed tomogra-phy, Lt. styloid process was elongated and fractured. Patient have undergone surgical resection of elongat-ed styloid process and have been carefully observed. Characteristically, preoperative facial nerve palsy showed rapid postoperative recovery. The other clinical symptoms that were present in the initial visit were diminished. The purpose of this article is to report a case of Eagle's syndrome presenting unilateral facial nerve palsy that was treated with transoral surgical approach with literature review.