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Hee Kyung Lee 18 Articles
Trends in Malocclusion Patients of Yeungnam University Hospital.
Sung Ho Chung, Hee Kyung Lee
Yeungnam Univ J Med. 2006;23(1):71-81.   Published online June 30, 2006
DOI: https://doi.org/10.12701/yujm.2006.23.1.71
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AbstractAbstract PDF
BACKGROUND
This study was done to better understand patterns, trends and local distribution patterns of malocclusion so that we can provide adequate information to patients, to help make the appropriate diagnosis and therapeutic plans, and to assess the future directions of malocclusion treatment. MATERILAS AND METHODS: Malocclusion patterns, distribution and trends of visiting patients were examined in 993 malocclusion patients who had been evaluated and diagnosed at the Department of Dentistry, Yeungnam University Hospital over a 10-year period from 1995 to 2004. RESULTS: The number of visiting patients per year showed an increasing trend and the visit rate was 1.28 time-higher in females(56.1%) than in males(43.9%). Age distribution showed that the 7-12 year-old group was the largest (36.7%). Geographic distribution showed the majority of patients were from the Dalseo district(28.2%). Angle's malocclusion classification revealed that class III was the largest(38.4%). Crowding was the chief complaint in the highest percentage of patients(33.9%). The therapeutic method used was the fixed appliance in 61% of cases and a combination with extraction in 30.8%. CONCLUSIONS: The availability of dental services can accommodate orthodontic needs adequately as well as obtain reliable quantitative information regarding the characteristics of orthodontic patients.

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  • Distribution of Pediatric Malocclusion Patients in Seoul National University Dental Hospital
    Sophia Rhee, Ji-Soo Song, Teo Jeon Shin, Young-Jae Kim, Jung-Wook Kim, Ki-Taeg Jang, Hong-Keun Hyun
    THE JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY.2021; 48(2): 140.     CrossRef
  • Estimation of the prevalence of malocclusion on the basis of nationwide oral health examinations of pre-adolescent and adolescent students during 2012–2017
    Mihee Hong, Hee-Moon Kyung, Hyo-Sang Park, Won-Jae Yu, Seung-Hak Baek
    The Korean Journal of Orthodontics.2020; 50(3): 197.     CrossRef
  • Five-year investigation of a large orthodontic patient population at a dental hospital in South Korea
    Yongxu Piao, Sung-Jin Kim, Hyung-Seog Yu, Jung-Yul Cha, Hyoung-Seon Baik
    The Korean Journal of Orthodontics.2016; 46(3): 137.     CrossRef
DMFT Index, Periodontal Index and Oral Hygiene Status in Diabetic Patients.
Kyung Dong Lee, Hee Kyung Lee
Yeungnam Univ J Med. 2005;22(1):62-71.   Published online June 30, 2005
DOI: https://doi.org/10.12701/yujm.2005.22.1.62
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  • 5 Crossref
AbstractAbstract PDF
BACKGROUND
This study examined the oral health condition of diabetic patients and evaluated the oral health behavior through a questionnaires survey. In addition, this study provide primary informations for developing a dental health program for diabetic patients. MATERIALS AND METHODS: There were fifty patients with diabetes mellitus or glucose tolerance (controlled by a community health center at Dalsung-Gun in Daegu City and fifty non- diabetic age, gender and location matched control subjects. Data were collected by a direct oral examination and by questionnaires from 100 subjects in July, 2004. RESULTS: The DMFT (Decay, Missing, Filling Teeth) mean values in diabetics were significantly higher than that in non-diabetics (p< 0.05). The decay teeth index and Filling teeth index was similar in the two groups, but the mean Missing teeth index was significantly higher in the diabetics than in non-diabetics. The PI (Periodontal Index) mean values were significantly higher in the diabetics than in the non-diabetics (p< 0.01). There was a significant difference between the diabetics and non diabetics aged in their 50s and 60s, but there was no difference with those aged in their 70s. The oral hygiene status was similar in the two groups. The average number of remaining teeth was significantly lower in the diabetics (16.1+/-10.35) than in the non-diabetics (20.04+/-8.70) (p< 0.05). CONCLUSION: In the diabetic patients, the M component of the DMFT index was found to be higher than the controls. Diabetics lose their teeth mainly due to periodontal disease, which is supported by the increased PI mean values.

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  • No Association between Metabolic Syndrome and Periodontitis in Korean Postmenopausal Women
    Jeong-In Kim, Choong-Ho Choi, Ki-Ho Chung
    International Journal of Environmental Research and Public Health.2021; 18(21): 11110.     CrossRef
  • The effect of general health status, oral health behavior and status on quality of life in Korea adults
    Ho Jin Jeong, Ye Hwang Kim, Jung Won Yun, Sang Hwan Oh, Hyun Seo Yoon, Min Kyung Lee, Jung Hwa Lee
    Journal of Korean Academy of Oral Health.2020; 44(3): 158.     CrossRef
  • Oral health and behavior by diabetic status: the fifth Korea national health and nutrition examination survey
    Yeo-Jung Han, Mi Ah Han
    Journal of Korean society of Dental Hygiene.2016; 16(2): 233.     CrossRef
  • The Elders' General Quality of Life and Oral Health-related Quality of Life
    Ji-Young Bae
    Journal of Korean Clinical Health Science.2015; 3(4): 466.     CrossRef
  • Risk Factors for the Prevalence of Periodontal Diseases among Adult Workers
    Min-Hee Hong
    Journal of the Korea Academia-Industrial cooperation Society.2014; 15(6): 3706.     CrossRef
The Relationship between Chewing Ability and Health Status in the Urban Elderly who Resides in the House.
Yoon Ho Bae, Hee Kyung Lee
Yeungnam Univ J Med. 2004;21(1):51-59.   Published online June 30, 2004
DOI: https://doi.org/10.12701/yujm.2004.21.1.51
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  • 7 Crossref
AbstractAbstract PDF
BACKGROUND
The objective of this study is to evaluate the relationship between chewing ability and health status in order to provide basic information for the development of program which may lead to an improvement of a the elderly health status in urban areas. MATERIALS AND METHODS: The subjects of this study were 128 elderly urban female over the age of 65 who reside at house. The data were collected from May 21 to August 20, 2001, through questionnaires about nutrient intake status, direct measurement of anthropometrics, and oral examinations. RESULTS: In terms of remaining teeth, there was significant negative relationship between age and number of remained teeth. The average number of remained teeth our subjects was 13.1 10.6. About sixty five percent of the subjects were denture users (partial or full dentures) and there was positive relationship between age and the percentage of denture user. There was a significant negative correlation between age and chewing ability. The group that was able to chew had more remained teeth than the other group. CONCLUSION: This study suggests that there is strong positive relationship between chewing ability (remaining teeth) and elderly health status in urban areas, and the importance of preserving original teeth to improve the elderly health status in the public health program.

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  • The analysis of dental treatments among the disabled in a charity dental clinic, Cheongju city
    Jae-In Ryu, Hye-Ri Jeong
    Journal of Korean Academy of Oral Health.2022; 46(2): 78.     CrossRef
  • Difference in food and nutrient intakes in Korean elderly people according to chewing difficulty: using data from the Korea National Health and Nutrition Examination Survey 2013 (6th)
    Song Hee Kwon, Hae Ryun Park, Young Mi Lee, Soo Youn Kwon, Ok Sun Kim, Hee Young Kim, Young Suk Lim
    Nutrition Research and Practice.2017; 11(2): 139.     CrossRef
  • The Relationships between Stress and ADL in Elderly Living Alone
    Eun-Joo Seo, Nam-Hyun Cha
    Journal of Digital Convergence.2016; 14(7): 251.     CrossRef
  • Oral health status and care needs of elderly patients in long-term care hospital
    Ju-Hyun Lee, Tae-Yoon Hwang
    Journal of Korean society of Dental Hygiene.2015; 15(3): 411.     CrossRef
  • Influencing factors on anxiety and depression before and after dental prosthetic treatment in the patients
    Sun-Hwa Kwon, Han-Gon Kim
    Journal of Korean society of Dental Hygiene.2015; 15(5): 777.     CrossRef
  • Oral health of the elderly people receiving nursing care and home care serivces in Chungnam
    Hee-kyung Jang, Eun Mi Choi, Boo-Soon Son
    Journal of Korean society of Dental Hygiene.2015; 15(4): 565.     CrossRef
  • Characteristics of the dietary intake of Korean elderly by chewing ability using data from the Korea National Health and Nutrition Examination Survey 2007-2010
    Ji Eun Park, Hee Jung An, Sung Ug Jung, Yoonna Lee, Cho-il Kim, Young Ai Jang
    Journal of Nutrition and Health.2013; 46(3): 285.     CrossRef
Comparative Analysis of Accuracy between Computerized Tomography and Cephalogram for 3-Dimensional Measurement of Maxillofacial Structure.
Jong Su Paek, Jae Chul Song, Hee Kyung Lee
Yeungnam Univ J Med. 2001;18(1):123-137.   Published online June 30, 2001
DOI: https://doi.org/10.12701/yujm.2001.18.1.123
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AbstractAbstract PDF
BACKGROUND
The purpose of this study is to evaluate the accuracy of measurements obtained from 3-dimensional computerized tomography and 3-dimensional cephalogram constructed by using the frontal and lateral cephalogram of six human dry skulls. MATERIALS AND METHODS: After CT scans and each cephalograms were taken, 3-dimensional coordinates (X, Y, Z) of landmarks were obtained using computer programs. In this study, the accuracy of both methods were determined by means of 14 linear measurements compare with caliper measurements. RESULTS: The standard deviation of landmarks of 3-dimensional CT and 3-dimensional cephalogram were 0.23 mm and 0.30 mm in X axis, 0.27 mm and 0.25 mm in Y axis, and 0.27 mm and 0.31 mm in Z axis. In both methods, the standard deviation were less than 0.5 mm in all landmarks, and the most of landmarks showed less than 1 mm in range. Concerning the accuracy, the mean difference between 3-dimensional CT and manual measurements was 0.33 mm, and 1.13 mm between 3-dimensional cephalogram and manual measurement. The distance between RGo and LGo showed the largest difference (2.23 mm). There were highly significant, and large correlation with manual measurements in both methods (p<0.01). CONCLUSION: It is concluded that closeness of repeated measurements to each skulls reveal the precision of both methods. Computerized tomography and cephalogram for 3-dimensional measurement of maxillofacial structure are equivalent in quality to caliper measurements.
The Relationship Between Chewing Ability and Health Status in the Long-lived Elderly of Kyungpook Area.
Hee Kyung Lee, Young Kwon Lee
Yeungnam Univ J Med. 1999;16(2):200-207.   Published online December 31, 1999
DOI: https://doi.org/10.12701/yujm.1999.16.2.200
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  • 6 Crossref
AbstractAbstract PDF
BACKGROUND
The objective of this study is to evaluate the effect of the dental and general health in relation to the state of dentition and chewing ability by survering oral condition and anthropometric measure in order to provide primary statistics for the development of a program which may lead to an improvement in the long-lived elderly health status in a rural community. MATERIALS AND METHODS: The subjects of this study were 97 rural long-lived elderly(27 males and 70 females) who were over 85 years-old (average age of subjects are 88.14+/-3.20 year old) in Sungju-Gun. Kyungpook Province. Data were collected by using questionnaires and direct measurement of anthropometrics, and oral examination from all 97 subjects on July, 1999. RESULTS: The following results were obtained: 1. 53.6% of all subjects believe that they are healthy. The average values of height, weight, BMI, body fat, lean body fat and total water were 148.8+/-11.2cm, 46.9+/-10.5kg, 21.2+/-3.5kg/m2, 26.7+/-6.9%, 73.0+/-7.1%, and 53.4+/-5.2%, respectively. 2. The average number of teeth remaining in the subjects were 3.50+/-571: the number of maxillary teeth remaining were 1.08+/-2.88; and the number of mandibular teeth remaining were 2.41+/-3.76. The maximum number of teeth remaining among subjects were 22 teeth, and the fully edentulous(no natural teeth) people were 76.3%. The oral conditions of the subjects were 52.6% using denture, 23.7% using natural teeth and 23.7% masticating edentulous ridge without denture. 3. In terms of oral condition in self-assessment of health, digestive ability, and chewing ability : On self-assessment of health, 47.1% of those wearing denture group responded as feeling food, 56.5% of those of edentulous without denture, and 65.2% in group of matural teeth only. On self-assessment of digestive ability, 82.4% of those in group of denture responded as feeling food, 65.2% of those in group of no teeth and no denture, and 73.9% of those in group of natural teeth only. On self-assessment of chewing ability, 90.2% of those in the group wearing a denture, 60.9% of those in the group of no teeth and no denture, and 65.2% of those in the group of natural teeth only. 4. In terms of oral condition in anthropometric measurements; The height. weight, body fat, lean body mass, and total water according to oral conditions were 150.0+/-10.7cm, 49.0+/-10.9kg, 26.9+/-6.6%, 72,7+/-7.0%, 53.2+/-5.1%, respectively, in group wearing a denture, 142.7+/-6.0cm, 43.2+/-5.5kg, 29.5+/-7.2%, 70.8+/-6.9%, 51.8+/-5.0%, respectively, in the group of no teeth and no denture, and 152.3+/-14.1cm, 45.9+/-12.6kg, 23.4+/-6.0%, 75.9+/-6.9%, 55.6+/-5.1%, respectively, in the group of natural teeth only. CONCLUSION: The subjective measurements of good health were higher denture user, and natural teeth.

Citations

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  • Difference in food and nutrient intakes in Korean elderly people according to chewing difficulty: using data from the Korea National Health and Nutrition Examination Survey 2013 (6th)
    Song Hee Kwon, Hae Ryun Park, Young Mi Lee, Soo Youn Kwon, Ok Sun Kim, Hee Young Kim, Young Suk Lim
    Nutrition Research and Practice.2017; 11(2): 139.     CrossRef
  • Correlation with subjective oral health status and food preference in elderly people
    Chung-Soon Park, In-Ja Kim, So-Young Park
    Journal of Korean society of Dental Hygiene.2015; 15(6): 973.     CrossRef
  • Demand for Elderly Food Development: Relation to Oral and Overall Health -Focused on the Elderly Who Are Using Senior Welfare Centers in Seoul-
    Geum-Yong Lee, Jung-Ah Han
    Journal of the Korean Society of Food Science and Nutrition.2015; 44(3): 370.     CrossRef
  • A study of chewing ability According to malocclusion and orthodontic treatment
    Hong-Sik Kim, Soo-Chul Park, Nam-Joong Kim
    Journal of Korean Acedemy of Dental Technology.2013; 35(1): 67.     CrossRef
  • Characteristics of the dietary intake of Korean elderly by chewing ability using data from the Korea National Health and Nutrition Examination Survey 2007-2010
    Ji Eun Park, Hee Jung An, Sung Ug Jung, Yoonna Lee, Cho-il Kim, Young Ai Jang
    Journal of Nutrition and Health.2013; 46(3): 285.     CrossRef
  • The effects of dental prostheses to the quality of life among the elderly
    Ik-Gang Hur, Tae-Yong Lee, Jin-Keun Dong, Song-Hee Hong
    The Journal of Korean Academy of Prosthodontics.2010; 48(2): 101.     CrossRef
Soft Tissue Change After Single Jaw(mandible) Surgery in Skeletal Class III Malocclusion.
Kwang Soo Park, Hee Kyung Lee, Byung Rho Chin
Yeungnam Univ J Med. 1997;14(1):197-208.   Published online June 30, 1997
DOI: https://doi.org/10.12701/yujm.1997.14.1.197
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AbstractAbstract PDF
The purpose of this study was to evaluate the amount and interrelationship of the soft and hard tissue change after mandibular setback surgery in skeletal Class III malocclusion. The sample consisted of 25 adult patient (12 male and 13 female) who had severe anteropostrior skeletal discepancy. These patient had received presurgical orthodontic treatment and surgical treatment which is bilateral sagittal split ramus osteotomy. The presurgical and postsurgical lateral cephalograms were evaluated. The computerized statistical analysis was carried out with SPSS/PC program. The result were as follows: 1. After mandibular bilateral sagittal split ramus osteotomy, lower facial soft tissue horizontal posterior changes were high significance value. but vertical soft tissue changes were low significance value. 2. After mandibular bilateral sagittal split ramus osteotomy, relative upper lip protrusion increased(p<0.01) and relative lower lip protrusion decreased(p<0.01) and lower facial soft tissue thickness increased(p<0.01).

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  • Soft Tissue Changes After Posterior Impaction and Setback of the Maxilla With Le Fort I Osteotomy in Skeletal Class III Patients
    Hyeong-Min Jeon, Jin-Young Choi, Seung-Hak Baek
    Journal of Craniofacial Surgery.2014; 25(4): 1495.     CrossRef
An Epidemiology Study on Temporo-mandibular Disorders of Employees Residing at Seoul.
Hee Kyung Lee
Yeungnam Univ J Med. 1996;13(2):308-323.   Published online December 31, 1996
DOI: https://doi.org/10.12701/yujm.1996.13.2.308
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AbstractAbstract PDF
This study tried to find the prevalence and distribution of temporo-mandibulr disorders(TMD) for workers (employee) in Seoul area to investigate the correlation between TMD and possible etiological factors such as general muscle and joint symptoms, headache, unilateral chewing and parafunction. This study was an epidemiological investigation of answers obtained from 282 persons by questionaire from Aug. 1995 to Nov. 1995. The major findings from the questionaire were as follows. (1) 43.26% of the subjects(282 persons) has TMD. (41.88% of man and 43.26% of women) (2) The more often people have general muscle and joint symptoms and -headache, the more susceptible they are to TMD. Their correlation was very significant(p<0.001). (3) The more people have bad oral habits such as bruxism, clenching and biting habit, the more likely they have TMD. The more sensitive people are to stress, the more frequently they have bad oral habits such as bruxism, clenching and biting habit. (4) Unilateral chewing has higher TMD index than bilateral chewing. There is no relationship between ache areas and TMD index.

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  • Relationship between national exam stress and temporomandibular disorder(TMD) in allied health students
    Myung-Eun Kim, Won-Seok Jang
    Journal of Korean society of Dental Hygiene.2016; 16(5): 791.     CrossRef
  • The relationship between Oral Habits and the Prevalent Status of Temporomandibular Disorders
    Hong-Sik Kim
    Journal of Korean Acedemy of Dental Technology.2014; 36(3): 187.     CrossRef
  • Relationship between job-stress and temporomandibular joint disorder in dental hygienists
    Eun-Young Jeong, Myung-Rae Kim
    Journal of Korean society of Dental Hygiene.2014; 14(3): 381.     CrossRef
  • A Study on the Relationship between Malocclusion and the Prevalence of Temporomandibular Disorder
    Hong-Sik Kim, Soo-Chul Park, Myung-Hee Jung
    Journal of Korean Acedemy of Dental Technology.2013; 35(3): 231.     CrossRef
A Case reports of a Surgical Correctiona of the Mandibular Retrusion.
Nan Hee Im, Jin Ho Park, Byung Rho Chin, Hee Kyung Lee
Yeungnam Univ J Med. 1995;12(2):393-399.   Published online December 31, 1995
DOI: https://doi.org/10.12701/yujm.1995.12.2.393
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AbstractAbstract PDF
Mandibular retrusion showing the facial problem with a marked maxillarry incisors protrusion and chin deficiency, resulting in a highly convex profile is uncommon in Korea.. The large incisor overjet and deep-bite create functional limitations and unpleasing esthetic result. The majority of theses cases are susceptible to correction by orthodontic therapeutic methods. But severe Class II retrognathic cases in which orthodontic treatment alone has not been capable of achieving good results. Orthognathic surgery offers several approaches. In this case, mandibular advancement by bilateral sagittal split ramus osteotomy and augmentation genioplasty has a special surgical problems. The suprahyoid muscle gorup are lengthened if the body of the mandible is surgically repositioned anteriorly. Instability of results and relapse return to original position shoud predicted during post-surgical muscular readjustment.. To maintain maximum correction with this technique, it is suggested that the mandibular body be well rotated forward at time of surgical intervention and overcorrected anteriory as much as possible. So, the authors report the case with review of concerned literature.
Noninvasive Functional therapy of Mandibular Condylar Fracture.
Jin Ho Park, Jong Sup Kim, Nan Hi Im, Hong Sik Yun, Byung Rho Chin, Hee Kyung Lee
Yeungnam Univ J Med. 1994;11(2):398-404.   Published online December 31, 1994
DOI: https://doi.org/10.12701/yujm.1994.11.2.398
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AbstractAbstract PDF
Functional recovery after mandibular condyle fracture was a contradictory result of many authors. The treatment goal of condyle fracture has been directed primarily toward restoration of functional movement of the mandible. We selected some patients who requested functional therapy in many cases of condylar fracture, depend on pattern of fracture, patient's demand, occlusion, age. Without intermaxillary fixation, we induced the patients to rapid healing of temporomandibular function and normal mandibular protrusive, lateral movement as a result of early functional therapy by activator. So, the authors report the cases with review of concerned literature.
The Distribution and Trend of Malocclusion Patients Visited at Department of Dentistry in Orthodontics.
Jong Sup Kim, Jin Ho Park, Hong Sik Yun, Nan Hi Im, Byung Rho Chin, Hee Kyung Lee
Yeungnam Univ J Med. 1994;11(2):323-331.   Published online December 31, 1994
DOI: https://doi.org/10.12701/yujm.1994.11.2.323
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  • 1 Crossref
AbstractAbstract PDF
1.050 patients who visited orthodontic dental department from 1983 to 1994, were surveyed on the yearly tendency of orthodontic patient distribution and state by means of Angle's classification. The results were as follows : 1. There was increased visiting rate of patient per year and higher visiting rate in female than in male. 2. 8-15 age group was 61.4% in total visiting patients and over 20 age group was 18.5%, under 7 age group was 8.1%. 3. Class I malocclusion was 42.2%, class II div 1 was 22.5%, class II-2 was 3.9%, class III was 29.1% and cleft lip & palate was 2.0% in total visiting patient. 4. As showed the living distribution, Namgu and Susunggu's patients were 43.7% of the total patients. 5. There was increased tendency for the number of the patient to be received orthognathic surgery.

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  • The effect of a malocclusion status of a patient for orthodontic treatment, a fee for orthodontic and oral health behavior on orthodontic satisfaction
    In-Ho Jeong, Sook-Jeong Lee, Si-Duk Lim, Byung-Sik Kim, Young-Dae Park, Ji-Young Park, Jong-Hwa Lee
    Journal of Korean Acedemy of Dental Technology.2013; 35(4): 395.     CrossRef
A case report of hemifacial microsomia.
Chang Kon Lee, Myung Jin Lee, Jong Sup Kim, Jin Ho Park, Byung Rho Chin, Hee Kyung Lee
Yeungnam Univ J Med. 1993;10(1):218-225.   Published online June 30, 1993
DOI: https://doi.org/10.12701/yujm.1993.10.1.218
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AbstractAbstract PDF
This is a case report and review of literature that deals with hemifacial microsomia corrected by costochondral graft, Lefort I osteotomy and bilateral intraoral sagittal split ramus osteotomy. Patient, 23 years old female, had visited to treat the esthetic problem due to a deviation of jaw. On the basis of clinical and radiographic examinations, she was diagnosed as hemifacial microsomia. First, costochondral graft was performed to bridge the defect between glenoid fossa and body of mandible. After 11 months,. Patient was performed a Lefort I osteotomy and bilateral intraoral sagittal split ramus osteotomy to create a symmetric jaw. Patient was satiesfied with final esthetics and there have been no evidence of infection ill now.
The comparison of influence of difficulties in nasal breathing on dentition between different facial types.
Myeong Jin Lee, Chang Kon Lee, Sup Jong Kim, Jin Ho Park, Byung Rho Chin, Hee Kyung Lee
Yeungnam Univ J Med. 1993;10(1):37-47.   Published online June 30, 1993
DOI: https://doi.org/10.12701/yujm.1993.10.1.37
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AbstractAbstract PDF
It is. commonly assumed that nasorespiratory function can exert a dramatic effect upon the development of the dentofacial complex. Specially, it has been stated that chronic nasal obstruction leads to mouth breathing, which causes altered tongue and mandibular positions. If this occurs during a period of active growth, :the .outcome is development of the "adenoid facies". Such patients characteristically: manifest a vertically long lower third facial height, narrow alar bases, lip incompetence, a long and narrow maxillary arch and a greater than normal mandibular plane angle. But several authors have reported that so-called adenoid facies is not always associated with adenoids and mouth breathing, and that a particular type of dentition is not alwarys found in mouth breathers with or without adenoids. Some authors have believed adenoids lead to mouth breathing in cases with particular facial characteristics and types of dentition. We assumed that the ability to adapt to individual's neuromuscular complex is various. So, we compared the difference of influence of mouth breathing between childrens who have different facial types. This study included 60 patients and they were divided into three groups by Rickett's facial type. Their dentition and tongue position were compared. The results are as follows. 1. There is a significant difference in arch width of upper molars between different facial types. Especially dolichofacial type patients have narrowest arch width. 2. There is a significant difference in tongue position between different facial types. Especially dolichofacial type patients have lowest positioned tongue.
A case of orthognatic surgery in congenital alveolar-palatal cleft patient.
Jae Hyun Park, Myung Jin Lee, Chang Kon Lee, Jong Sub Kim, Byung Rho Chin, Hee Kyung Lee
Yeungnam Univ J Med. 1992;9(1):189-196.   Published online June 30, 1992
DOI: https://doi.org/10.12701/yujm.1992.9.1.189
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AbstractAbstract PDF
Pre-surgical and post-surgical change in adult clef lip and palate patient following Le Fort I advancement osteotomy combined with bone graft was evaluated clinically and cephalometically. We obtained a successful function and esthetic improvement. The bone graft of alveolo-palatal clefts provides a stable bone support to the adjacent teeth of the cleft area, and well union of adjacent bone tissue, the closure of oronasal fistula and improvement of speech problem. Le Fort I osteotomy following the ostectomy of nasal septum for advancement of the maxilla was obtained relative improvement of esthetics and functional occlusion. 1. The orthodontic correction was required before and after surgery. 2. In this case, there was a limited range of anterior advancement of the Premaxillary-segment due to the scar tissue. 3. After 8 months of operation, we could show the new bone deposition on the cleft sites in dental radiograph and then the prosthetic treatment to the missing teeth was done.
Osteogenic Sarcoma of the Mandible.
Sang Kil Byun, Hee Kyung Lee, Byung Rho Chin, Tae Ju Kim, Young Joon Kim, Jong Won Kim, Jeung Mee Lee, Kee Young Do
Yeungnam Univ J Med. 1987;4(2):173-178.   Published online December 31, 1987
DOI: https://doi.org/10.12701/yujm.1987.4.2.173
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AbstractAbstract PDF
Osteogenic sarcoma is a malignant primary tumor of bone composed of a malignant connective tissue stroma with evidence of malignant osteoid, bone and/or cartilage formation. A 23 year old man was admitted to dental department of Yeungnam University hospital with chief complaint of swelling and pain on alveolar ridge of lower right molar region. It was certain of osteogenic sarcoma through clinical and radiographic features and biopsy. Surgical resection of the lesion was performed by partial mandibulectomy and resin plate insertion. By follow up check of the patient, we made good result of functional reconstruction without any sign of recurrence of the lesion.
Angle's Class II Division 2 Malocclusion Treated by Bioprogressive Mechanism: Report of a Case.
Sang Kil Byun, Hee Kyung Lee, Byung Rho Chin, Meung Chul Oh
Yeungnam Univ J Med. 1987;4(1):151-156.   Published online August 31, 1987
DOI: https://doi.org/10.12701/yujm.1987.4.1.151
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A 25 year and 7 month old man patient who had Angle's class II division 2 malocclusion combined with anterior crowding of upper & lower part was treated by bioprogressive mechanism. After setting out objectives through the use of V. T. O., we programmed a sequence of mechanic. The possible objectives of treatment in the class II division 2 malocclusion can be listed as follows. 1) Relief of crowding & irregularities. 2) Relief of anterior gingival trauma & correction of interincisal inclination. 3) Correction of buccal segment relationship We'd applied the class II intermaxillary elastics, Quad helix, utility arch wire and sectional arch wire in order to achieve anticipated objectives. As compared with pre & post treatment cephalogram, the result accomplished by this mechanics showed to us that interincisal angle was improved and favorable molar relationship was achieved.
Surgical Treatment of Phenytoin Induced Gingival Hyperplasia: A Report of Case.
Sang Kil Byun, Hee Kyung Lee, Byung Rho Chin, Meung Chul Oh
Yeungnam Univ J Med. 1986;3(1):383-386.   Published online December 31, 1986
DOI: https://doi.org/10.12701/yujm.1986.3.1.383
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Enlargement of the gingival caused by phenytoin. An anticonvulsant used in the treatment of epilepsy, occurs in some of the patients receiving the drug. Its incidence varies from 3 to 62 percent, with the greater frequencies in younger patients. The hyperplasia is usually generalized throughout the mouth, but is more severe tendency in the maxillary and mandibular anterior regions. 18 year old male patient was admitted to our Department of Dentistry with the complaint of generalized painless gingival swelling. After the consult of the N.M. and laboratory study, the gingivectomy and gingivoplasty was performed. The periodontal pack and tin foil was applied on the attached gingival to protect a surgical site and bleeding control. We obtained a good result of improved esthetics and function.
A Study of Types and Distribution of Orthodontic Patients in the Department of Dentistry.
Sang Kil Byun, Hee Kyung Lee, Byung Rho Chin
Yeungnam Univ J Med. 1986;3(1):243-247.   Published online December 31, 1986
DOI: https://doi.org/10.12701/yujm.1986.3.1.243
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174 patients who visited in the Department of Dentistry, College of Medicine, Yeungnam University from 1983. 7. 15 to 1986. 11. 30 were surveyed on the tendency of patient distribution and the state of Angle's classification. The results were as follows 1. There was increased visiting rate of patient per year. Female outnumbered male by a ratio of 1.3:1. 2. 8-15 age group was 74% in total visiting in the most frequency. The average visiting numbers of each month were higher among the vacation and was about 74% in that period. 3. As showed the living distribution, Nam Go and Su Sung Gu's patients were 53% of the total. 4. As the motive of visiting in Dental Department, patient of 30% in total patients visited for themself to receive orthodontic treatment and other was introduced patients. 5. By classification, Class I malocclusion was 63% in total visiting patient, Class II malocclusion 17%, Class III malocclusion 20%. Crowding among Class I malocclusion was 60%.
Combined Surgical and Orthodontic Treatment of Bimaxillary Dento-Alveolar Protruvion: A Report of Case.
Sang Kil Byun, Hee Kyung Lee, Byung Rho Chin, Meung Chul Oh, Tae Ju Kim, Young Joon Kim
Yeungnam Univ J Med. 1985;2(1):271-279.   Published online December 31, 1985
DOI: https://doi.org/10.12701/yujm.1985.2.1.271
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JYMS : Journal of Yeungnam Medical Science