| 근거 중심 치의학 - 2. 근거 수준과 비판적 평가 |
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홍순민 |
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한림대학교 의과대학 강동성심병원 구강악안면외과학교실 |
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Soon-Min Hong |
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Department of Oral and Maxillofacial Surgery, KangDong Sacred Heart Hospital, Collage of Medicine, Hallym University |
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| Abstract |
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In this second part of series report on evidence-based dentistry, the level of evidence and the methods for critical appraisal are
discussed. The epidemiologic studies, namely clinical studies have some bias per se, and the degree of bias is somewhat
predetermined by the study design. The level of evidence can be defined as the reliability of the clinical study and it is dependent
on the degree of bias. Thus, it is important to determine the type of the study and to understand its structure before critically
appraising them. Systematic reviews of primary studies, randomized controlled trials, nonrandomized clinical trials, cohort studies,
case-control studies, and case reports / series constitute the clinical studies and the level of evidence follows the order of the
studies listed above. Critical appraisal is the most important procedure in evidence-based dentistry. It is done to determine the
credibility of research papers and their usefulness in the clinician s own practice. Critical appraisal is consisted of multiple
questions that are helpful for evaluating validity and usefulness of the studies concerning therapy, diagnosis, prognosis, and
causation. |
| Key Words:
Dentistry;Evidence-Based Medicine; |
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