점막하 구개열 환자에서 비강점막의 절개 없이 시행한 연구개 내 근성형술: 증례보고

박정호(Jung Ho Park),김희열(Hee Youl Kim),백진아(Jin-A Baek) 대한구순구개열학회 2021 대한구순구개열학회지 Vol.24 No.1

A submucous cleft palate (SMCP) results from a lack of normal fusion of the muscles within the soft palate. A SMCP is characterized by a bifid uvula, deficient midline muscle with zona pellucida, and osseous notch of the hard palate. When a submucous cleft is present, the muscles of the soft palate may not function properly which places a person at risk for speech problems (such as a hypernasality), middle ear disease, and swallowing difficulties. A SMCP requires surgery, if it causes problems. A velopharyngeal incompetence is a condition which a person cannot prevent air from escaping through the nose during the speech, and requires surgical repair of the palate. Intravelar veloplasty involves reconstruction of the abnormal soft palate muscles, tensor and levator veli palatine muscle. During the surgery, tensor and levator veli palatine muscles were separated from their abnormal attachment and from the oral and nasal mucosa. In this case report, we present a 48 months old child with SMCP who underwent intravelar veloplasty without separating the nasal mucosa.

혀에서 골성 이소종(osseous choristoma)에 대한 증례 보고 및 문헌 고찰

박윤하(Yun-Ha Park),백진아(Jin-A Baek) 대한치과의사협회 2018 대한치과의사협회지 Vol.56 No.10

Choristoma is a growth of normal tissue that occurs at an abnormal region. In the oral cavity, osseous choristoma that has a normal bone feature mainly has been appeared. It is mainly occurred on the tongue. So, It can be found in dental practice or in discomfort in the mouth. Osseous choristoma in the oral cavity is extremely rare. But It can be treated excisional biopsy under local anesthesia. The prognosis is very good. This case is a report of osseous choristoma on the dorsal surface of the tongue. A 17-year-old female patient presented with a foreign body sensation of the tongue. A diameter of the mass is 0.7cm, and there is no pain. Panoramic radiographs showed a radiopaque image in the form of a double image. An excisional biopsy was performed and diagnosed as an osseous choristoma. 12 months after the resection, there were no signs of recurrence. Intraoral osseous choristoma is very rare, but it is clinically very simple and can be found in dental radiographs. We present this case because of Dentists who examine the oral cavity of the patient can easily diagnose the lesion and treat it by simple resection

반안면 왜소증 환자에서의 골신장술

백진아(Jin-A Baek) 대한구강악안면외과학회 2005 대한구강악안면외과학회지 Vol.31 No.6

Distraction osteogenesis is a technique of bone lengthening by gradual movement and subsequent remodeling. Distraction forces applied to bone also create tension in the surrounding soft tissues, distraction histiogenesis. Distraction osteogenesis is used to correct facial asymmetry, such as patients with hemifacial microsomia, maxillary or mandibular retrusion, cleft lip & palate, alveolar defect and craniofacial deficiency. Hemifacial microsomia is characterized by unilateral facial hypoplasia, often with unilateral shortening of the mandible and subsequent malocclusion. This report describes two cases of hemifacial microsomia(type IIB). In these two cases, distraction osteogenesis was used to correct a facial asymmetry. Two patients underwent unilateral mandibular distraction osteogenesis of ascending ramus of the mandible with extraoral devices. Successful distraction osteogenesis was achieved in the patients with hemifacial microsomia.

최근 5년간 구강악안면 감염 환자의 임상통계학적 연구

장소정(So-Jeong Jang),이용근(Yong-Geun Lee),안융(Yung Ahn),임대호(Dae-Ho Leem),백진아(Jin-A Baek),신효근(Hyo-Keun Shin) 대한구강악안면외과학회 2006 대한구강악안면외과학회지 Vol.32 No.5

Infections of the oral and maxillofacial region are one of the most common conditions for which a patient presents to a maxillofacial surgeons. Although these infections can arise from a variety of source, dental disease is the most common etiology. So, odontogenic infection are frequently encountered in the practice of oral and maxillofacial surgery. These infections often respond to antimicrobial chemotherapy or surgical intervention, such as extraction of teeth, incision and drainage through clinical features. But, odontogenic infections have the potential to spread via the fascial spaces in the head and neck region, and, they spread to cavernous sinus, deep musculofascial space and other vital structure. We have undertaken clinical studies on infections in the oral and maxillofacial regions by analyzing retrospectively hospitalized patients in the Dept. of Oral and Maxillofacial Surgery, Chonbuk National University Hospital past 5 years from 2000 to 2004. And, the patients’age, sex, medical history, causes of the infection, surgical intervention, and other clinical parameters were reviewed. The obtained results were as follows : 1. The most frequent cause of oral and maxillofacial infection was odontogenic. And in the odontogenic cause, dental caries was the most common cause (47.2%). 2. The most common fascial space involved was the submandibular space (15.7%), followed by the buccal space (14.8%). 3. 60.4% of all patients required surgical drainage of the abscess, endodontic treatment or tooth extraction or periodontal treatment with drainage. 4. The most causative organism isolated from the pus culture were streptococcus viridans (53.9%). 5. Underlying medical problems were found in 136 patients (41.9%), the most common being hypertension (27.9%) and diabetes (14.7%).

RGB 센서를 이용한 온도 변화량 추정 연구

백진영(Jin-Young Baek),김지선(Ji-Sun Kim),김아희(A-Hee Kim),김준식(Jun-Sik Kim),이은숙(Eun-Suk Lee),전재훈(Jae-Hun Jun) 대한전기학회 2016 대한전기학회 학술대회 논문집 Vol.2016 No.7

관절각도측정을 위한 PSD 센서기반 각도 측정 시스템 연구

고봉준(Bong-Jun Goh),김지선(Ji-Sun Kim),오한별(Han-Byeol Oh),김아희(A-Hee Kim),김준식(Jun-Sik Kim),이은숙(Eun-Suk Lee),신예지(Ye-Ji Shin),백진영(Jin-Young Baek),전재훈(Jae-Hoon Jun) 대한전기학회 2015 대한전기학회 학술대회 논문집 Vol.2015 No.2

구개열 환자에서의 구강인두압력 및 공기유량에 관한 음성학적 특징

백진아,Baek, Jin-A 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.1

The articulation disorders associated with velopharyngeal insufficiency (VPI) in cleft palate patients are interested to clinicians particularly. The purpose of this study was to investigate mainly the oropharyngeal air pressure and overall air flow in cleft palate patients. The pressure-measuring catheter was positioned at the midportion of the oropharyngeal cavity with a facial mask. Test words were composed of 9 meaningless polysyllabic words and 17 meaningful words. Aerophone II and Nasometer II were used to measure peak air pressure, mean air pressure, maximum flow rate, volume, phonatory flow rate, nasalance. The data shows that airflow of the cleft palate patient group were higher than those of the control group. Intraoral air pressure of the cleft palate patient group was lower than those of the control group. The first vowel formant and first Bandwidths of the cleft palate patient group were higher than those of the control group.

구개열 환자에서의 구강인두압력 및 공기유량에 관한 음성학적 특징

백진아,Baek, Jin-A 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.2

The articulation disorders associated with velopharyngeal insufficiency (VPI) in cleft palate patients are interested to clinicians particularly. The purpose of this study was to investigate mainly the oropharyngeal air pressure and overall air flow in cleft palate patients. The pressure - measuring catheter was positioned at the midportion of the oropharyngeal cavity with a facial mask. Test words were composed of 9 meaningless polysyllabic words and 17 meaningful words. Aerophone II and Nasometer II were used to measure peak air pressure, mean air pressure, maximum flow rate, volume, phonatory flow rate, nasalance. The data shows that airflow of the cleft palate patient group were higher than those of the control group. Intraoral air pressure of the cleft palate patient group was lower than those of the control group. The first vowel formant and first Bandwidths of the cleft palate patient group were higher than those of the control group.

텍스트 분량 요인에 대한 현직 국어교사와 예비 국어교사의 쓰기 평가 특성 차이 분석

백유진 ( Baek¸ Yu-jin ),가은아 ( Ka¸ Eun-a ) 청람어문교육학회 2021 청람어문교육 Vol.- No.82

이 연구의 목적은 현직교사와 예비교사의 평가 차이를 분석하여 국어교사의 평가 전문성을 신장하고 평가 결과의 신뢰성과 타당성을 확보하기 위한 방안을 제안하는 것이다. 이를 위해 이 연구에서는 실험 텍스트 6편과 일반 텍스트 54편에 대한 현직교사 8명과 예비교사 9명의 평가 결과를 수집하여 분석하였다. 그 결과는 다음과 같다. 첫째, 현직교사가 예비교사에 비해 더욱 엄격한 점수를 부여한 것으로 나타났다. 둘째, 현직교사가 예비교사에 비해 평가 결과의 차이가 더 큰 것으로 나타났다. 셋째, 현직교사와 예비교사 모두 일반 텍스트보다는 실험 텍스트에 낮은 점수를 부여한 것으로 나타났다. 넷째, 평가자들은 일반 텍스트보다 실험 텍스트에 더 많은 채점 편향을 보이는 것으로 나타났다. 다섯째, 현직교사는 실험 텍스트를 평가할 때 자신의 일반적인 엄격성 수준보다 상대적으로 관대하게, 예비교사는 상대적으로 엄격하게 평가하는 경향이 나타났다. 여섯째, 일부 평가자들은 실험 텍스트를 평가할 때 척도 활용의 어려움을 겪거나 분량을 가점 요인으로 인식해 텍스트의 수준과는 상이한 점수를 부여하는 것으로 나타났다. 이러한 결과를 토대로 평가자 교육을 구성하거나 평가 계획을 수립할 때 고려해야 하는 점에 대해 제안하였다. The purpose of this study is to analyze the differences between characteristics of in- and pre-service Korean language teachers to increase the expertise and to propose ways to ensure the reliability and validity of the writing assessment. To this end, the results of the assessment of 8 in-service teachers and 9 pre-service teachers for 6 experimental operation texts and 54 general texts were collected and analyzed. The results are as follows. First, it was found that in-service gave severer grades than pre-service. Second, the difference in assessment results of in-service was greater than that of pre-service. Third, both in- and pre-service were found to have given lower scores to experimental texts rather than general text. Fourth, teachers have been shown to show more rating bias in experimental text than general text. Fifth, there has been a tendency for in-service to be relatively more lenient in experimental texts and pre-service to be relatively severer in experimental texts than one's general level of severity. Sixth, it has been shown that some teachers experience difficulty in using scale when assessing experimental text or recognize volume of text as a additive factor, giving different scores from the level of text.

구순구개열 발생의 분자유전학 연구를 위한 유전자 표적/적중 생쥐모델의 이용

백진아,Baek, Jin-A 대한구순구개열학회 2008 대한구순구개열학회지 Vol.11 No.2

Cleft lip and/or palate are common birth defects in humans and the causes including multiple genetic and environmental factors are complex. Combinations of genetic, biochemical, and embryological approaches in the laboratory mice are used to investigate the molecular mechanisms underlying normal craniofacial development and the congenital craniofacial malformations including cleft lip and/or palate. Both forward and reverse genetic approaches are used. The forward genetic approach involves identification of causative genes and molecular pathways disrupted by uncharacterized mutations that cause craniofacial malformations including cleft lip and/or cleft palate. The reverse genetic approach involves generation and analyses of mice carrying null or conditional mutations using the Cre-loxP mediated gene targeting techniques.