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Imaging Sci Dent. 2011 Mar;41(1):11-16. English. Original Article. https://doi.org/10.5624/isd.2011.41.1.11
Kim TY , Choi JW , Lee SS , Huh KH , Yi WJ , Heo MS , Choi SC .
Department of Oral and Maxillofacial Radiology and Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.
Department of Oral and Maxillofacial Radiology, Dental Research Institute, and BK21 Craniomaxillofacial Life Science, School of Dentistry, Seoul National University, Seoul, Korea. raylee@snu.ac.kr
Abstract

PURPOSE: The aim of this study was to evaluate the effect of liquid crystal display (LCD) monitor type and observer experience on the diagnostic performance in soft-copy interpretations of maxillary sinus inflammatory lesions on panoramic radiographs. MATERIALS AND METHODS: Ninety maxillary sinuses on panoramic images were grouped into negative and positive groups according to the presence of inflammatory lesions, using CT for confirmation. Monochrome and color LCDs were used. Six observers participated and ROC analysis was performed to evaluate the diagnostic performance. The reading time, fatigue score, and inter-/intra-observer agreements were assessed. RESULTS: The interpretation of maxillary sinus inflammatory lesions was affected by the LCD monitor type used and by the experience of the observer. The reading time was not significantly different, however the fatigue score was significantly different between two LCD monitors. Inter-observer agreement was relatively good in experienced observers, while the intra-observer agreement for all observers was good with monochrome LCD but not with color LCD. CONCLUSION: The less experienced observers showed lowered diagnostic ability with a general color LCD.

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