• Journal of the Korea Academia-Industrial cooperation Society
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• v.10 no.9
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• pp.2545-2550
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• 2009

The purpose of this study was to examine the oral health care and oral health awareness of some laborers. Out of them, 220 workers were selected from K motor company in Hwaseong, and the other 180 workers were selected from D automobile company in Bupyeong. The findings of the study were as follows: As for daily toothbrushing frequency, the largest number of the laborers investigated(44.0%) brushed their teeth three times a day. Smoking made a significant difference to that($x^2$=19.00, p<.01). Concerning the use of oral hygiene supplies, 41.3 percent put oral hygiene supplies to use. There was a significant difference in that aspect according to gender($x^2$=9.20, p<.01). Regarding scaling experience, the largest group(37.3%) had their teeth scaled twice or more, and their scaling experience significantly varied with gender($x^2$=8.60, p<.05), age($x^2$=20.07, p<.01), academic credential($x^2$=11.88, p<.01) and the presence or absence of systemic diseases($x^2$=8.19, p<.05). In relation to oral diseases, the greatest group(27.8%) had dental caries. By gender, the female workers had more dental caries or the more swollen gums than the males, and the gap between the two was significant($x^2$=13.65, p<.05).

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
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• v.44 no.5
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• pp.212-219
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• 2018

Objectives: The objective of this study was to analyze 11 cases of subcutaneous emphysema associated with dental procedures from a single hospital and discuss approaches for accurate diagnosis and treatment of the condition. Materials and Methods: The medical records of 11 patients who were treated for subcutaneous emphysema related to dental procedures between January 2009 and April 2017 were analyzed retrospectively. Patients with subcutaneous emphysema within the facial area or that spread to the neck and beyond, including the facial region, were assigned to two groups and compared in terms of age, sex, and durations of antibiotic use, hospitalization, and follow-up until improvement. The correlation between location of the origin tooth and range of emphysema spread was analyzed. Results: The average durations of antibiotic use during conservative treatment and follow-up until improvement were 8.55 days (standard deviation [SD], 4.46 days) and 1.82 weeks (SD, 1.19 weeks), respectively. There was no intergroup difference in duration of antibiotic use (P=0.329) or followup (P=0.931). Subcutaneous emphysema was more common after dental procedures involving the maxilla or posterior region than after those involving the mandible or anterior region. There was no significant difference in air distribution according to location of the air orifice (maxilla, mandible, or both; P=0.106). Conclusion: Upon adequate conservative treatment accompanied by prophylactic antibiotic treatment considering the risk of infection, patients showed signs of improvement within a few days or weeks. There was no significant difference in treatment period between patients with subcutaneous emphysema localized to the facial region and those with subcutaneous emphysema spreading to the neck or beyond. These findings need to be confirmed by analysis of additional cases.

• Journal of the korean academy of Pediatric Dentistry
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• v.37 no.4
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• pp.482-487
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• 2010

Attention Deficit-Hyperactivity Disorder(ADHD) is the most common psychiatric disorder in school-age children which is increasing gradually. It is hard for ADHD children to focus on particular stimulus for a long time. ADHD children are characterized by hyperactivity which shows in behaviors like, talking too much, getting up from their seats without permission, running around, keep on moving their arms and legs. ADHD children have problems with impulse controlling that they tend to fall and get into an accident very often. Thus dentist's attention and care must increase when dental treatment is performed with ADHD children since behavior control, oral hygiene problems, and trauma might be expected. By using sedative drugs and psychological behavior control, chief complaint was resolved in a 8-years-old female diagnosed for ADHD.

• The Journal of the Korean dental association
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• v.46 no.4
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• pp.243-247
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• 2008

Purpose : Ridge expansion osteotomy (REO) has been introduced when it is necessary to expand narrow crestal ridge with simultaneous implant placement. This study has designed to evaluate the clinical availability of REO. Materials and methods : Subject were patients who had visited Seoul National University Bundang Hospital from July. 2003 to December, 2005 for implant placement using REO by one surgeon. Intraoperative and postoperative complication, failure of initial osseointegration and marginal bone resorption were estimated using electronic medical record and periapical radiography. Twenty?three patients, 8 males and 15 females, mean age 51, ranged 18 to 72, were treated for mean 26 months, ranged from 16 months to 46 months. Results : Mean diameter and length of implants placed at upper anterior, were 3.72mm and 13.32mm each other. Guided bone regeneration and ridge splitting were accompanied in this study. Five cases of cortical bone fracture, three cases of crestal bone loss more than 2mm, 2cases of gingival recession, and 2 cases of infection were noted, but there were no implants removed because of disintegration. Success rate of implant was 91.7%, even if survival rate of implant was 100%. In addition, there were no statistical significance between the success rate of REO and bone graft(p>0.05). Conclusion : Based on the results of the present study, it can be concluded that REO technique is reliable for implant placement at atrophic ridge with adequate height compared to bone graft and other osteotomies for ridge expansion, but care should be taken of esthetic problem such as gingival recession because of crestal bone resorption from trauma by osteotome.

• Journal of Korean society of Dental Hygiene
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• v.15 no.2
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• pp.197-204
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• 2015

Objectives: The purpose of this study was to investigate the relation between health-related quality of life and oral health behavior and oral health status, and to provide the basic data for national oral health policy. Methods: The primary data of the 5th National Health Examination and Nutritional Survey(NHANES) in 2012 were used in this study. The subjects were 2,243 middle-aged people(40-59 years old), 827 persons were excluded for missing value or having diseases affecting quality of life(depression, stroke, cardiac infarction, angina, liver cancer, stomach cancer, colon cancer, breast cancer, cervical cancer, lung cancer, thyroid cancer, other cancers, arthritis), and 1,416 data were finally analyzed. Results: In health-related quality of life by subjects' characteristics, there was significant difference in gender, age, education, family income, and employment status(p<0.01) except for current smoking. Oral health behavior didn't have significant relation to health-related quality of life, but better oral health status showed better health-related quality of life(p<0.01). Conclusions: In conclusion, this study suggested that there was close relationship between the oral health status and health-related quality of life in moddle aged people. Therefore, national oral health policy is needed for the oral health promotion with commitment of oral prophylaxis and care programs to the individual and community.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.36 no.4
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• pp.140-145
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• 2014

Purpose: This study examined patients with facial bone fracture visiting Pusan National University Dental Hospital to understand the trends, and to enhance appropriate care and treatment for patients with facial bone fracture. Methods: We investigated 531 patients presenting with facial bone fracture in Yangsan and 802 patients in Busan from January 2010 to December 2013. We divided the patients by year, month, gender, age, site, and cause to compare with historic data and other studies. Results: The gender ratio was 3.58:1 in Yangsan and 4.31:1 in Busan. Patients aged in their 20s had the highest number of facial bone fractures in both Yangsan and Busan. The most frequent fracture site was the mandible, and the most frequent cause was slip down in both Yangsan and Busan. Conclusion: The investigation and comparison of patients with facial bone fracture who visited Pusan National University Hospital located at Yangsan and Busan from 2010 to 2013 found a difference in the total number of patients at each hospital, but the trends were not significantly different.

• Journal of dental hygiene science
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• v.13 no.3
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• pp.304-313
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• 2013

The purpose of this study was to examine the influence of the communication competence and empathy abilities of dental hygiene students on their interpersonal relationship abilities. The subjects in this study were 578 students who majored in dental hygiene at five randomly selected colleges. Out of the colleges, three were located in North Chungcheong province, and one was located in the city of Daejeon. The other one was located in South Gyeongsang province. Data were gathered using structured questionnaires from April 1 to May 7, 2013. The major findings of the study were as follows: 1. The respondents got a mean of $3.23{\pm}0.49$, $85.80{\pm}10.12$ and $83.27{\pm}8.37$ in interpersonal relationship abilities, communication competence and empathy abilities respectively. 2. As for communication competence, empathy abilities and interpersonal relationship abilities by general characteristics, there were statistically significant differences according to age, academic year, clinical practice experience and satisfaction with major. 3. The relationship of communication competence and empathy abilities to interpersonal relationship abilities was analyzed, and interpersonal relationship abilities were found to have a strong significant positive correlation to communication competence, empathy abilities and the subfactors of the two. 4. As a result of analyzing which variables affected interpersonal relationship abilities, it's found that interpersonal relationship abilities were under the influence of age, clinical practice experience, communication competence, empathy abilities. These variables made a 57.2% prediction of interpersonal relationship abilities. The above-mentioned findings suggest that communication competence and empathy abilities exerted an influence on interpersonal relationship abilities. Therefore curriculums and educational programs should be developed in consideration of these variables to ensure the stable college lives and successful relationship building of dental hygiene students who are on the way to adulthood and will serve as health care personnels in the future.

• Journal of the korean academy of Pediatric Dentistry
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• v.25 no.1
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• pp.38-46
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• 1998

Management of children who show negative response to treatment was difficult. Usually the dentist used the restraintor sedatives for these children. Especially it is very difficult to management of definitely negative behavior patients who resist to ordinary sedative technics including psychosedation and various sedatives. These patients were managed with general anesthesia. Midazolam was used for sedation of non-cooperative pediatric patients and halothane for induce initial sleepness, If the patient shows negative response to management after 15 minutes of midazolam administration, used the halothane in 30 to 120 seconds for calm down the patient. After induce sleepness, cut off the halothane administration and maintain the sedation with $N_2O$ in 50-70 vol.% concentration. This technic reduce the toxity and untoward effects of major anesthetics. To compare the difference of sedation effect by dosage, dose of 0.2mg/kg and 0.3mg/kg were injected respectively. Though there's no statistical difference in duration and results between two dosage but show the increment of score with age, If the patients show positive response to management after midazolam administered. try to conscious sedation with nitrous oxide in 30 to 70 vo.% concentration. Nitrous oxide concentration was administered slowly according to their consciousness and response to treatment by increment or decrement. The success rate of conscious sedation were 21.2% in 0.2mg/kg and 30.3% in 0.3mg/kg. There's many factors in proceed of conscious sedation. The most important factors are age of patient and experience of children for dental care.

• Journal of the korean academy of Pediatric Dentistry
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• v.45 no.2
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• pp.257-264
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• 2018

Osteopetrosis is characterized by impaired osteoclast function and increased bone density. Infantile osteopetrosis is a severe form of the disease and has characteristics such as diffusely sclerotic skeleton, pancytopenia, cranial nerve entrapment, infection susceptibility, and abnormal craniofacial appearance. Patients with infantile osteopetrosis often experience developmental delay, and may have a short life span. A 14-month-old girl with osteopetrosis presented to the department of pediatric dentistry. Incipient caries on deciduous incisors were observed. The patient revisited 4 years of age. Besides medical problems, oral complications such as growth retardation, narrow upper arch, crowding, dental caries, and abnormal tooth development were observed. After consultation with her pediatrician, dental treatments were performed on the deciduous molars under sedation after a prophylactic antibiotic injection. At a periodic follow-up, multiple deciduous teeth were treated and extracted, and oralrehabilitation with a removable partial denture was initiated. Patient with osteopetrosis are highly susceptible to infection because of their compromised immune system and problems associated with wound healing that lead to osteomyelitis or sepsis development. Active participation in dental care for sugar intake management and proper oral hygiene are obligatory.

• Journal of Technologic Dentistry
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• v.35 no.2
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• pp.145-155
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• 2013

Purpose: The recent proliferation of the aging population, oral health care is closely related to the mental health of the elderly is very important being recognized. Provide basic data for improving the quality of life for the elderly, to determine whether the oral health of the elderly whether oral self-perception of health and any related wish. Methods: Surveys to May 20 from April 15, 2011, subjects were elderly and living in Daejeon and Chungnam 277 people were examined. All the statistics using SPSS 18.0 for the determination of statistical significance, and the significance level was 0.05. Results: 1. Recognized, the most common oral health, self-aware bad the state (46.2%) there was no significant difference in the general characteristics according to self-Oral health status, remaining natural dimensions or the intra-oral prosthetic, there was no significant difference. More teeth, residual phase, in accordance with intra-oral prosthetic mandibular Not all dentures, partial dentures, full dentures net self-perception of oral health status better recognized. 2. According to the type of partial dentures, oral health status self-phase, mixed mandibular removable, fixed, fixed, removable partial dentures in order to recognize that good oral health, self-aware state, showed between them, there was no significant difference. 3. Of variable dimension that has nothing to do with the remaining natural maxillary and mandibular prosthetic maxillary prosthetic mandibular partial dentures, age income, a positive correlation was negatively correlated. The case of the mandible, the mandibular prosthetic mandibular partial denture, maxillary prosthetic, the amount of income were correlated. 4. Intra-oral Prosthetics correlation variables in the maxillary, mandibular prosthesis, the positive correlation between income, age was negatively correlated, if the income of the mandible. Maxillary partial denture has nothing to do with the variable portion of the mandibular denture, age was a negative correlation was found. Conclusion: Satisfaction and how now it is important simply to live as long, but you need to pay attention to the quality of life, sometimes with an aging population and the increase of soybean To buy the loss of teeth causes the typical health problems of the elderly. Elderly people of any relevant oral health and the oral cavity by the state to determine whether to provide the basic data for oral health education was more residual value, intra-oral prosthetics there is no more self-aware, the oral health status is good to recognize that appeared. Strengthen the oral health education to improve the quality of life of the elderly, and is thought to be necessary to increase the number of residual.