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조규민,오영선 대구대학교 기초과학연구소 1985 基礎科學硏究 Vol.2 No.-
準Borel 集合과 그 測度는 [5]에서 調査하였다. 本 論文에서는 準Borel 測度上에서 外正測 , 內正測 및 正測 各各을 定義하고 Riesz 測度와 Lusin 測度 및 正測 準\Borel 測度 사이의 關係와 準Borel 測度上의 正測性에 관한 몇가지 結果를 얻었다.
축차확률비 검정을 이용한 실제값과 Wald 근사값의 정확도에 관한 연구
조규민,조건호,박용우 대구대학교 산업기술연구소 1993 産業技術硏究 Vol.12 No.-
Sequential analysis refers to techniques for testing hypotheses or estimating parameters when the sample size is not fixed in advance but is determined during the course of the experiment by criteria which depend on the observations as they occur. In this paper, We considered the properties of Wald approximations in S.P.R.T. and compared exact value with the Wald approximations by using a example and then found the error probabilities α_(0),α₁and expected sample size (average sample number) E(N) by S.P.R.T in AR(1). Conclusively, We discovered that Wald approximations tend to over-estimate the true error probabilities.
Clinical management of a fused upper premolar with supernumerary tooth: a case report
조규민,장지현,박상혁 대한치과보존학회 2014 Restorative Dentistry & Endodontics Vol.39 No.4
In dentistry, the term ’fusion’ is used to describe a developmental disorder of dental hard tissues. In the permanent dentition, fusion of a normal tooth and a supernumerary tooth usually involves the incisors or canines. However, a few cases of fusion involving premolars have also been reported to date. We present a rare case in which fusion of the maxillary left second premolar and a supernumerary tooth in a 13-year-old girl was diagnosed using cone beam computed tomography (CBCT, Alphard-3030, Asahi Roentgen Ind. Co., Ltd.). The tooth was bicuspidized after routine nonsurgical root canal treatment, and the separated teeth underwent appropriate restoration procedures. The second premolar and supernumerary tooth remained asymptomatic without any signs of inflammation after a follow-up period of 9 years. Identification of anatomical anomalies is important for treatment in cases involving fusion with supernumerary tooth, and therefore the microscopic examinations and CBCT are essential for the diagnosis. Fused teeth can be effectively managed by the comprehensive treatment which includes both endodontic and periodontal procedures.