• 치위협보
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• s.93
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• pp.1-12
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• 2005

• Journal of Dental Rehabilitation and Applied Science
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• v.36 no.1
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• pp.55-60
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• 2020

The aim of this study was to investigate the change of microbial contamination levels in the different areas and at the different time points after application of a quaternary ammonium compound (QAC) that has mechanical antimicrobial effect. The microbial contamination levels were measured in three different areas; unit chair handle, spit sink area and hand piece holder at different time points using adenosine triphosphate (ATP) monitoring system and ATP surface test kit. Hand piece holder showed the highest level of microbial contamination. In most of the clinics, QAC significantly reduced the levels of microbial contamination, and maintained antimicrobial activity for 4 to 6 months. QAC may be used effectively in dental clinics due to the duration of antimicrobial effect and the minimal exposure of chemicals and further studies are needed with large sample size.

• The KIPS Transactions:PartB
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• v.11B no.2
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• pp.133-140
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• 2004

Recently, the dental information systems were rapidly developed in order to store and process the data of patients. But, these systems should serve a doctor a good quality information against disease for diagnostic and surgery purpose so as to success in this field. This function of the system it important to persuade patients to undergo proper surgical operation they needed. Hence, 3D teeth model capable of simulating the dental surgery and treatment is necessary Teeth manipulation of dentistry is performed on individual tooth in dental clinic. io, 3D teeth reconstruction system should have the techniques of segmentation and 3D reconstruction adequate for individual tooth. In this paper, we propose the techniques of adaptive optimal segmentation to segment the individual area of tooth, and reconstruction method of tooth based on contour-based method. Each tooth can be segmented from neighboring teeth and alveolar bone in CT images using adaptive optimal threshold computed differently on tooth. Reconstruction of individual tooth using results of segmentation can be manipulated according to user's input and make the simulation of dental surgery and treatment possible.

• Journal of the korean academy of Pediatric Dentistry
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• v.36 no.2
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• pp.264-269
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• 2009

Seoul National University Dental Hospital opened The Clinic for The Disabled to provide dental treatment under outpatient general anesthesia. 432 patients underwent general anesthesia for dental treatment. The informations such as the pattern of dental treatment, the reasons of general anesthesia, the characteristics of the patients were analyzed. Followings are concluded. 1. The patients below 15 years old made up 50.60%. 2. The reasons for general anesthesia included mental and physical disabilities, systemic disease, dental phobia, and so on. 3. Restorative treatment was the most common procedure with the average of 9.7 teeth treated per one patient. 4. 62(14%) patients underwent general anesthesia for dental treatment more than once. 5. The efforts for better multidisciplinary system to provide more comprehensive and effective dental treatment including periodic recall check, preventive treatment for handicapped patients are necessary.

• Journal of the Institute of Electronics Engineers of Korea SC
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• v.40 no.2
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• pp.26-37
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• 2003

Unlike a medical doctor, a dentist performs all the tasks necessary for diagnosis and treatment of a disease all by himself. To increase the diagnostic accuracy, dentists need an efficient working environment providing much more integrated information of clinical data and radiographic image. In this paper, we propose an integrated environment for the dental hospital. It provides paperless and filmless hospital environment by integrating seamlessly three major operations for the dental hospital including patient record generation and management, clinical image acquisition and analysis, and treatment planning and simulation. This system also allows clinicians to provide more predictable dental care for the patients by supporting instant access to all the clinical data and quantitative data analysis.

• The Journal of the Korean dental association
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• v.42 no.1 s.416
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• pp.32-35
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• 2004

• Proceedings of the Korean Society of Computer Information Conference
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• 2012.01a
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• pp.257-260
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• 2012

본 연구의 목적은 결혼이주여성의 건강문제와 이들의 의료기관 이용 실태를 연구하여 의료경영정보시스템을 구축하기 위한 선수 연구에 그 목적이 있다. 연구에 이용된 자료는 2010년 1월 1일부터 12월 31일까지 원주의료원에서 진료한 289명의 원주지역 결혼이주여성의 진료기록을 통하여 조사된 것이며, 결혼이주여성의 일반적인 현황과 미충족 의료 수준을 파악하기 위해 통계청 통계포털자료와 2010년 원주시 통계연보를 활용하였다. 결혼이주여성의 의료서비스 이용은 소득수준과 밀접한 관련이 있으며 의료기관 이용 시 언어적 불편, 재정적 어려움, 가족의 지원 부족이 가장 많이 발생했다. 결혼이주여성의 진료지원 비율은 산부인과 진료비율이 가장 높은 24.3%, 내과 23.2%, 치과 7.9%로 나타났으며 결혼이주여성 자녀들의 소아청소년과 진료비율도 18.6%로 높은 진료비율을 나타났다. 본 연구는 결혼이주여성의 의료서비스 향상과 의료경영정보 시스템의 구축에 도움을 줄 것이다. 또한 이주여성의 건강권 보호를 위한 국가적, 지역적 차원의 노력에 도움이 될 것으로 사료된다.

• The Journal of Korean Academy of Prosthodontics
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• v.59 no.4
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• pp.478-486
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• 2021

This report demonstrates a method of generating a chair-side and computer-aided template for implant surgery based on the Top-Down and restoration-driven concept. Compared to the traditional CAD-CAM process which requires multiple steps to be taken between dental clinic and laboratory, this alternative procedure, VARO guide system (VARO Guide, CAD, Pre-Guide, VARO-mill, NeoBiotech, Seoul, South Korea) enables accurate and patient-friendly implant surgery as well as immediate provisional restoration in a single visit. First, bite-registration at centric jaw relation and CBCT were taken using the Pre-Guide. The CBCT data was then reorganized directly through the chair-side CAD, and we could determine the most appropriate 3-dimensional position of implant. The STL file was extracted and put into the chair-side CAM (VARO-mill) to fabricate a VARO. This surgical guide allowed the implants to be accurately positioned into the planned sites within an hour.

• Journal of the korean academy of Pediatric Dentistry
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• v.37 no.1
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• pp.97-101
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• 2010

The practice pattern of pediatric dentistry in the university dental hospital has been changing for the last several decades, due to socioeconomic changes, developments in dental materials and increasing number of private pediatric dental clinics. The purpose of this study is to survey the changing patterns of pediatric dental treatment in the university dental hospital and to present the future direction for pediatric dentistry. Patient distribution and practice trends were reviewed based on the OCS (order communication system) records of the department of pediatric dentistry, Seoul National University Dental Hospital from 2001 to 2008. Results were as follows; 1. The number of patients increased up to 2005 and decreased in 2006, and has remained constant up to 2008. 2. The proportion of preventive and orthodontic treatment increased and the proportion of restorative and pulpal treatment decreased. 3. In restorative treatment, amalgam restoration decreased and resin restoration increased. 4. Frequency of sedation decreased in 2006, 2007 and increased in 2008. 5. Frequency of general anesthesia increased up to 2008.

• The Journal of the Korean dental association
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• v.47 no.12
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• pp.817-822
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• 2009

치과보철학 분야에서 컴퓨터를 이용한 기술의 발달로 치료 계획, 수술, 보철물 수복에 이르기까지 CAD-CAM의 광범위한 적용이 가능해지고 있으며, 비용과 시간의 절약으로 효율적인 진료가 가능하다는 점을 인지한 많은 회사들의 투자로 다양한 프로그램과 기계들이 소개되고 있다. 그러나, 이렇게 활발한 제품 개발에도 불구하고 아직 실제 임상으로의 적용은 보편화되었다고 보기는 어려운데, 가장 큰 이유는 정확도에 대한 의심과 복잡하다고 느껴지는 초기의 숙련 과정에 있다고 하겠다. 제작회사들의 보고에 따르면 컴퓨터를 이용하여 디자인하고 절삭하는 것이 기존의 주조 기술보다 더 정교하다고 하였으나, 실제 임상에서는 미세한 오차를 간과한 데서 오는 최종 결과물과의 차이를 얘기하는 임상가들이 있는 것이 현실이다. 또, 그 사용 재료에 있어서도 초기 티타늄 금속 재료에 이어 심미적 요구를 위한 알루미나, 보다 향상된 강도를 가진 지르코니아에 이르기까지 다양한 재료들이 쏟아져 나오고 있다. 이에 본 논문에서는 다양한 CAD-CAM 시스템 중 대표적인 것 중의 하나인 Nobel Biocare사의 $Procera^{(R)}$ 시스템을 중심으로 지르코니아 수복물에 관한 최신 정보를 제공하며, 그 다양한 치과적 적용을 누구나 쉽고 정확하게 사용할 수 있는 임상 증례와 함께 소개함으로써 실제 임상 적용에 도움이 되고자 한다.