치의학교육 3+4 학제와 4+4 학제 학생들의 학업성취도 비교 연구

박유이,이지현,송영하,김진영,박신영,송지수,조성대,박영석,권호범,강은희 인문사회 21 2022 인문사회 21 Vol.13 No.6

치의학교육 3+4 학제와 4+4 학제 학생들의 학업성취도 비교 연구박 유 이**ㆍ이 지 현***ㆍ송 영 하****ㆍ김 진 영*****ㆍ박 신 영******송 지 수*******ㆍ조 성 대********ㆍ박 영 석*********ㆍ권 호 범**********ㆍ강 은 희*********** 연구 목적: 치의학교육기관은 각 기관에서 운영하는 교육과정이 해당 기관의 교육목표·목적에 부합하는지를 체계적으로 평가해야한다. 이에 본 연구의 목적은 치의학교육의 학제에 따른 학생들의 학업성취도를 비교함으로써 각 학제의 효과를 평가하는 데 있다. 연구 방법: 이원적 학제(학석사통합 과정인 3+4학제, 전문대학원 과정인 4+4학제)를 운영하고 있는 서울대학교 치의학대학원에서 2017년부터 2021년까지 개설된 모든 교과목의 성적 데이터를 연구 자료로 사용하였다. 수집된 데이터는 독립표본 t-검정을 통해 두 집단의 전체 교과목, 전공필수과목, 교과목 범주별 학업성취도를 비교하였다. 연구 내용: 3+4학제 집단은 4+4학제 집단보다 전체 과목, 전공필수 과목, 모든 학년에서 평균이 높았다(p<0.001). 또한 학년이 올라갈수록 평균의 차이가 증가하여, 4학년에서의 평균 차이가 가장 컸고(p<0.001), 3+4학제 집단의 상위 25%의 학점이 4+4학제 집단의 상위 25%보다 더 높았다(p<0.001). 결론 및 제언: 학제에 따른 두 집단의 학업성취도는 통계적으로 차이가 있었다. 하지만 추후 연구에서는 다양한 측면의 데이터를 추가하거나 교육 성과에 대한 장기적인 분석이 요구된다. 또한 치의학교육기관은 학제의 효과성에 대한 평가와 논의를 지속적으로 시행해야 한다. 핵심어: 치의학교육, 교육과정, 3+4 학제, 4+4 학제, 학업성취도 □ 접수일: 2022년 11월 11일, 수정일: 2022년 12월 7일, 게재확정일: 2022년 12월 20일* 이 논문은 2022년 서울대발전기금 치의학대학원 연구기금의 지원을 받아 수행된 연구임. ** 주저자, 서울대학교 치의학대학원 치의학교육학 박사과정(First Author, Doctoral Course, Seoul National Univ., Email: premishu@snu.ac.kr)*** 공동저자 1, 서울대학교 치의학대학원 치의학교육학 부교수(Co-author 1, Professor, Seoul National Univ., Email: leeji1@snu.ac.kr)**** 공동저자 2, 서울대학교 치의학대학원 예방치의학 조교수(Co-author 2, Professor, Seoul National Univ., Email: youngha.song@snu.ac.kr)***** 공동저자 3, 서울대학교 치의학대학원 치의학교육학 부교수(Co-author 3, Professor, Seoul National Univ., Email: ryankim05@snu.ac.kr)****** 공동저자 4, 서울대학교 치의학대학원 치의학교육학 부교수(Co-author 4, Professor, Seoul National Univ., Email: nalby99@snu.ac.kr)******* 공동저자 5, 서울대학교 치의학대학원 소아치과학 조교수(Co-author 5, Professor, Seoul National Univ., Email: pedosong@snu.ac.kr)******** 공동저자 6, 서울대학교 치의학대학원 구강병리학 교수(Co-author 6, Professor, Seoul National Univ., Email: efiwdsc@snu.ac.kr)********* 공동저자 7, 서울대학교 치의학대학원 구강해부학 교수(Co-author 7, Professor, Seoul National Univ., Email: ayoayo7@snu.ac.kr)********** 공동저자 8, 서울대학교 치의학대학원 치과보철학 교수(Co-author 8, Professor, Seoul National Univ., Email: proskwon@snu.ac.kr)*********** 교신저자, 서울대학교 치의학대학원 미래치의학센터 연구조교수(Corresponding Author, Professor, Seoul National Univ., Email: chukbai@snu.ac.kr) A Comparative Study on Academic Achievement ofDental Students with 3+4 and 4+4 Education SystemYuyi Park, Jihyun Lee, Youngha Song,Jinyoung Kim, Shinyoung Park, Jisoo Song, Sungdae Cho,Youngseok Park, Hobeom Kwon, & Eunhee Kang Abstract: Dental schools should be evaluated systematically whether the education systems operated by each school meet the school’s educational goals and objectives. Therefore, this study aimed to assess the effects of education systems by comparing dental students’ academic achievement of 3+4 system and 4+4 system. We analyzed the academic achievement data for all subjects (from 2017 to 2021) of the Seoul National University School of Dentistry, which operates 3+4 and 4+4 system simultaneously. The data were analyzed using independent samples t-tests to compare the academic achievement of the two groups by total subjects, major compulsory subjects, and subject categories. The 3+4 system group performed significantly better than the 4+4 system group in total subjects, major compulsory subjects, and all grades (p<0.001). Specifically, the achievement gap between the two groups was most pronounced in 4th grade, as the difference in mean GPA increased with moving up the students’ school year. Furthermore, the GPA in the top 25% of the 3+4 system group was higher than those of the 4+4 system group (p<0.001). In conclusion, there were differences in academic performance between the two groups. However, further studies analyzing long-term data or including other types of data are needed to assess the effectiveness of dental education systems. Also, dental schools have to continuously evaluate and discuss curriculums to select the best education system. Key Words: Dental Education, Curriculum, 3+4 System, 4+4 System, Academic Achievement

사회적 경제를 통한 복지기술 생태계 탐구; 의료복지사회적협동조합 치과의원의 사례

박유이 ( Yuyi Park ),최형길 ( Hyungkil Choi ),한동헌 ( Dong-hun Han ),강준호 ( Joon-ho Kang ),안성훈 ( Sung Hoon Ahn ),안상훈 ( Sang-hoon Ahn ) 대한예방치과·구강보건학회 2017 大韓口腔保健學會誌 Vol.41 No.1

Objectives: In this study, we strived to determine the possibility of socioeconomic welfare in oral healthcare by analyzing the National Health Insurance (NHI) coverage rate. To date, efforts to realize the “social economy” of healthcare are active. While oral disease is common and chronic among Koreans, the rate of NHI coverage of dental clinics is substantially lower than that of the medical clinics. Methods: We defined the NHI coverage of dental clinics as a proxy for “social skills” to improve oral health problems. The data were collected through a comparative analysis of the NHI coverage of dental clinics and that of non-dental clinics, in health welfare social cooperatives. Results: The NHI coverage rate of the dental clinics in health welfare social cooperatives ranged from 0.97 to 2.62 times that of the non-dental clinics in health welfare social cooperatives. Conclusions: In conclusion, responsible management is recommended for making health welfare social cooperatives meaningful as a social economy.

국민건강보험정책이 치과 진료행태에 미치는 영향: 노인 임플란트 보험 적용에 따른 발치, 근관치료 변화를 중심으로

박유이(Park Yuyi),이산하(Lee sanha),정주연(Jung Juyeon),김성재(Kim Sungjae),도경록(Do Gyungrok),오하연(Oh Hayeon),김지수(Kim Jisu),이지현(Lee Jihyeon),한동헌(Han Donhun) 대한치과보험학회 2017 대한치과보험학회지 Vol.7 No.1

Objectives: The purpose of this study was to investigate the correlation between tooth extraction and endodontic treatment according to the inclusion of dental implant coverage in National Health Insurance of Korea, which is a recent dental health insurance policy change. Methods: From July 2011 to June 2016, using the health care big data open system in National Health Insurance of Korea, we analyzed the number of patients, the total amount of use, and the amount of health care service. Results: Age-standardized incidence rate, amount of treatment, and total usage of both the extraction and endodontic treatment increased after July 2014, and July 2015. Conclusions: The increase in the age-standardized incidence rate, the amount of treatment, and the total amount of usage after the change of the health insurance policy shows the result supporting the hypothesis of the supplier attraction demand theory. Health care policies have proven to influence dental practice. Without sufficient discussion and evidence-based indications, more dental health insurance coverage would fail to get the health policy goals and may result in poor quality of care or excessive health care expenditure. Therefore, sufficient discussion with expert group will be needed in health insurance policy formation and expanding health insurance coverage.

치과의사와 치과위생사의 번아웃(burnout) 현황과 관련 요인

박유이 ( Yuyi Park ),이지현 ( Jihyun Lee ),배소휘 ( Sohwi Bae ),이기찬 ( Kichan Lee ),이상혁 ( Sangheuk Lee ),장수진 ( Soojin Jang ),허해령 ( Haeryung Hur ),박영훈 ( Younghoon Park ) 대한예방치과·구강보건학회 2019 大韓口腔保健學會誌 Vol.43 No.2

Objectives: Dentists and dental hygienists undergo high levels of stress due to various factors and the burnout of health-care personnel is very important in the context of personal and social problems. Therefore, empirical research reflecting the social, cultural, and special circumstances of the medical environment is necessary. Here, we explore the causes and outcomes of burnout in dentists and dental hygienists and present ways to prevent burnout. Methods: A cross-sectional research design was used to measure burnout of 141 dentists and 61 dental hygienists. A structured questionnaire containing the Maslach Burnout Inventory (MBI) was administered from May to June, 2018. Data were analyzed using SPSS 25.0, descriptive statistics, t-test, Mann-Whitney test, Kruskall-Wallis test, and multiple regression analysis. Results: Each participant’s MBI was measured in three aspects (emotional exhaustion, depersonalization, and personal accomplishment). The MBI scores of dentists with regards to their emotional exhaustion, depersonalization, and personal accomplishment were 24.8%, 34%, and 48.2%, respectively. Alternatively the scores of dental hygienists were 45.9%, 44.3% and 52.5%, respectively, for the same parameters. While the factors affecting the burnout of dentists and dental hygienists were different, it had a negative impact on the professional performance of both. Conclusions: According to the results of this study, Korean dentists and dental hygienists experience high levels of work-related burnouts. This can have adverse impacts on their personal health and that of their patients. Therefore, stress management is necessary in dentists and dental hygienists.

모바일 EEG의 교육적 활용 및 도구적 타당성에 대한 체계적 문헌고찰

이지현,안솔뫼,박유이 한국교육공학회 2022 교육공학연구 Vol.38 No.4

Electroencephalography (EEG), a measure of electrical activity in the brain, is used in education research to understand learners' learning processes and performance. However, comprehensive information on the measurement of EEG for education research, research design using EEG, and the extent of validity of the EEG data need to be improved for education researchers. In this study, we intend to provide evidence-based guidelines on the research design and measurement method and investigate the concurrent validity of the EEG data by methodically reviewing the most recent pertinent education studies. Following the PRISMA guidelines, we searched the literature published between January 2011 and January 2022 on major online academic databases. 27 publications were chosen for the final analysis after a thorough screening process based on the inclusion/exclusion criteria. In addition to collecting data simultaneously, we also extracted data about the research context, areas of interest, and research design (data collection and analysis). The main findings are: First, mobile EEG technology was used most in science education and with university students. The most often assessed domains were the cognitive, then the emotional, and then the physical. The use of transportable EEG equipment with 10 channels or fewer, semi-natural experimental designs, and computer-based learning settings was also prevalent. Moreover, most studies measured EEG within 15 minutes, and its frequency bands were the most frequently measured across all domains. Third, most studies collected self-reported survey and achievement data and mobile EEG data. The conditions to enhance the validity of attention data from mobile EEG were 1) fully/semi-natural experimental designs, 2) recording more than 30 minutes, and 3) measuring alpha and beta bands. The EEG technology as it is today, and the reliability of the resources employed in educational research were both thoroughly assessed in this work. The use of mobile EEG in future educational research is something we hope this study will help with. 뇌전도(EEG)는 교육 연구에서 학습자의 학습 과정과 수행을 과학적으로 이해하기 위한 방법으로 활용되고 있으며, 최근 모바일 EEG 기기의 확산으로 인해 관심이 증가하고 있다. 하지만 모바일 EEG 기술이 적용될 수 있는 교육적 맥락과 연구 설계 방법, 도구적 타당성에 대한 종합적인 논의는 아직 부족한 상태이다. 따라서 본 연구의 목적은 교육 연구에서 모바일 EEG의 교육적 활용과 도구적 타당성을 체계적으로 검토하는 것이다. PRISMA 가이드라인에 따라 국외 주요 학술 데이터베이스에 2011년 1월부터 2022년 1월까지 출판된 관련 문헌을 수집하였고, 포함․제외 기준에 따라 최종적으로 27편의 논문을 선정하였다. 각 논문을 세 가지 주요 측면(연구 맥락과 관심 측정 영역, 실험설계 및 데이터 수집, 동시 수집 데이터 및 관계)을 중심으로 검토하였고, 분석된 결과는 다음과 같다. 첫째, 모바일 EEG 기술은 과학 교육 분야, 대학생을 대상으로 한 연구에서 가장 많이 활용되었으며, 관심 영역은 인지, 정서, 운동 영역 순으로 측정 빈도가 높았다. 둘째, EEG 기술은 준-자연적인 실험설계, 컴퓨터 기반의 학습 환경 연구 설계에서 주로 활용되었고, 다수의 연구에서 10채널 이하의 모바일 EEG 기기를 사용하고 있었다. 또한 EEG를 15분 이하로 측정한 연구가 가장 많았고, 모든 영역에서 뇌파 신호 주파수 데이터를 가장 빈번히 측정하였음을 확인할 수 있었다. 셋째, 설문지와 성취도 데이터는 모바일 EEG 데이터와 함께 가장 높은 빈도로 동시 수집되고 있었다. EEG 데이터와 동시 측정한 데이터의 관련성을 분석한 결과, 완전/준-자연적인 실험설계에서, 뇌파 측정 시간이 30분을 초과하는 경우, 알파파와 베타파를 측정하는 경우에 모바일 EEG 주의 영역 데이터의 타당도가 증가하는 것으로 확인되었다. EEG 기술이 교육 연구에서 활용되고 있는 현황과 도구적 타당성을 체계적으로 검토한 이 연구가 향후 교육 연구에서 모바일 EEG 기술을 활용하는 데 기여하기를 희망한다.

통일 이후 북한 주민들의 치과의료보장을 위한 재정추계 연구

한동헌,이승표,명훈,노상호,박유이,이혜주 대한예방치과·구강보건학회 2024 大韓口腔保健學會誌 Vol.48 No.1

Objectives: The purpose of this study was to estimate the financial cost required for dental healthcare coverage by integrating North Korea’s free medical care system and South Korea’s health insurance system, assuming the unification of North and South Korea. Methods: North Korea’s health insurance and medical benefit finances were estimated based onthe benefit content, benefit target, benefit level, dental service utilization rate, and dental care costgrowth rate. Results: The results of the financial estimate assuming an average annual growth rate of dentalmedical expenses of 5% were as follows. Assuming that the proportion of health insurance recipients was 0% and the proportion of medical benefit recipients was 100%, health insurance was estimated at 0 won and government spending on medical benefits was estimated at KRW 771.9 billionin 2022. Assuming that the proportion of health insurance beneficiaries was 97% and the proportionof medical benefit recipients was 3%, health insurance was estimated at KRW 8,241.3 billion andgovernment expenditure on medical benefits was estimated at KRW 510.9 billion in 2052. In addition, the financial estimation results assuming an average annual growth rate of dental medicalexpenses of 10% were as follows. Assuming that the proportion of health insurance recipients was0% and the proportion of medical benefit recipients was 100%, health insurance was estimated at0 won and government spending on medical benefits was estimated at KRW 808.7 billion in 2022. Assuming that the rate of health insurance beneficiaries was 97% and the rate of medical benefitrecipients was 3%, health insurance was estimated at KRW 34.858 trillion and government spending on medical benefits was estimated at KRW 2.1608 trillion in 2052. Conclusions: If the rate of increase in dental medical expenditure is not controlled, it is possiblethat very high dental medical expenditure will become a significant social burden for both North andSouth Korea. A strategy needs to be developed to minimize the financial impact after unificationand promote efficient integration of the dental healthcare system.