Effect of digitization parameters on periapical radiographic image quality with regard to anatomic landmarks

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorGonçalves, Andréa
dc.creatorNícoli, Giovanni Antonio
dc.creatorZamperini, Camila Andrade
dc.creatorHebling, Josimeri
dc.creatorGonçalves, Marcelo
dc.date2015-08-06T16:12:08Z
dc.date2016-10-25T20:52:56Z
dc.date2015-08-06T16:12:08Z
dc.date2016-10-25T20:52:56Z
dc.date2011
dc.date.accessioned2017-04-06T08:33:37Z
dc.date.available2017-04-06T08:33:37Z
dc.identifierRevista de Odontologia da UNESP, v. 40, n. 1, p. 25-29, 2011.
dc.identifier1807-2577
dc.identifierhttp://hdl.handle.net/11449/125457
dc.identifierhttp://acervodigital.unesp.br/handle/11449/125457
dc.identifierISSN1807-2577-2011-40-01-25-29.pdf
dc.identifier8207097271172991
dc.identifier3373230215078349
dc.identifier0185303872389632
dc.identifier4517484241515548
dc.identifierhttp://www.revodontolunesp.com.br/article/51ae4aa61ef1faca3d003649
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/936055
dc.descriptionThe aim of this study was to evaluate the influence of digitization parameters on periapical radiographic image quality, with regard to anatomic landmarks. Digitized images (n = 160) were obtained using a flatbed scanner with resolutions of 300, 600 and 2400 dpi. The radiographs of 2400 dpi were decreased to 300 and 600 dpi before storage. Digitizations were performed with and without black masking using 8-bit and 16-bit grayscale and saved in TIFF format. Four anatomic landmarks were classified by two observers (very good, good, moderate, regular, poor), in two random sessions. Intraobserver and interobserver agreements were evaluated by Kappa statistics. Inter and intraobserver agreements ranged according to the anatomic landmarks and resolution used. The results obtained demonstrated that the cement enamel junction was the anatomic landmark that presented the poorest concordance. The use of black masking provided better results in the digitized image. The use of a mask to cover radiographs during digitization is necessary. Therefore, the concordance ranged from regular to moderate for the intraobserver evaluation and concordance ranged from regular to poor for interobserver evaluation.
dc.languageeng
dc.relationRevista de Odontologia da UNESP
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectRadiography
dc.subjectDental
dc.subjectRadiographic image enhancement
dc.subjectImage processing
dc.subjectComputer-assisted
dc.titleEffect of digitization parameters on periapical radiographic image quality with regard to anatomic landmarks
dc.typeOtro


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