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Comparison of the planimetry and point-counting methods for the assessment of the size of the mandible cysts on orthopantomograms

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Comparison of the planimetry and point-counting methods for the assessment of the size of the mandible cysts on orthopantomograms

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dc.contributor.author Uzun-Bulut, Emel es
dc.contributor.author Sahin, Bünyamin es
dc.contributor.author Muglali, Mehtap es
dc.contributor.author Bekçioglu, Burak es
dc.date.accessioned 2017-07-25T10:17:35Z
dc.date.available 2017-07-25T10:17:35Z
dc.date.issued 2012 es
dc.identifier.citation Uzun-Bulut, Emel ; Sahin, Bünyamin ; Muglali, Mehtap ; C. ; Bekçioglu, Burak. Comparison of the planimetry and point-counting methods for the assessment of the size of the mandible cysts on orthopantomograms. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 17 3 2012: 24- es
dc.identifier.uri http://hdl.handle.net/10550/59940
dc.description.abstract Objective: The purpose of this study is to compare the computer-assisted planimetry and point-counting methods in evaluating the sizes of the mandibular cysts with respect to their agreement and the time required to analyze. Study Design: The surface areas of 46 mandibular cyst lesions on orthopantomograms were estimated using the point-counting and computer-assisted planimetry methods. Three observers evaluated the outlined areas twice, using the point-counting (PC) and computer-assisted planimetry (CAP) methods with an interval of two weeks. In the planimetry technique, digitalized images and ImageJ software were used to measure the surface area of the half mandibles and cysts. The grids were superimposed over the same images and the number of points hitting the interested structures was counted for the point-counting technique. The projection area fraction (PAF) of the cysts within the mandible was estimated using the obtained values by means of the two techniques. Intraclass correlation coefficient was used to assess the level of agreement between the two methods. Inter-rater reliability analysis using the Kappa statistic was performed to determine consistency among raters. Results: CAP and PC techniques showed consistent intra-observer values in all observers. Intraclass correlation between CAP and PC measurements of first, second and third observers were found to be 0.9986, 0.9988 and 0.9994 respectively. The durations of PC technique was 32% higher than the CAP technique. Conclusion: PC and CAP methods were seemed to show sufficient agreement to be used interchangeably. The main disadvantage of the PC analysis is it takes more time than CAP method. es
dc.title Comparison of the planimetry and point-counting methods for the assessment of the size of the mandible cysts on orthopantomograms es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.17570 es
dc.type.hasVersion VoR es_ES

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