B. Baksi

Ege University, Oral and Maxillofacial Radiology, Faculty Member

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Comparison of conventional and digital radiography for radiometric differentiation of dental cements

Quintessence International, 2007

To test the efficacy of conventional radiometry with indirect digital image analysis in the asses... more To test the efficacy of conventional radiometry with indirect digital image analysis in the assessment of the relative radiopacity of dental cements used as liners or bases compared to human enamel and dentin. Disks of 15 different dental cements, 5 mm in diameter and 2 mm thick, were exposed to radiation together with 2-mm-thick disks of enamel and dentin and an aluminum step wedge. Density was evaluated by digital transmission densitometry and with the histogram function of an image analysis program following digitization of the radiographs with a flatbed scanner. A higher number of dental cements were discriminated from both dentin and enamel with conventional radiographic densitometer. All the cements examined, except Ionoseal (Voco) and Ionobond (Voco), were more radiopaque than dentin. With both methods, Chelon-Silver (3M ESPE) had the highest radiopacity and glass-ionomer cements the lowest. Radiodensity of dental cements can be differentiated with a high probability with the...

PERİDONTONTAL PATOLOJİLERİN TANISINDA KULLANILAN GÖRÜNTÜLEME TEKNİKLERİ Bölüm 2: Alternatif Görüntüleme Sistemleri ve Görüntü Analiz yöntemleri

Radiographs are the most accurate diagnostic aid available in the diagnosis and treatment of peri... more Radiographs are the most accurate diagnostic aid available in the diagnosis and treatment of periodontal disease. 2 dimensional (2-D) systems imaging systems used routinely in periodontology are not effective to detect the early bone changes according to the periodontal disease. Even though 3-D systems available such as Computed Tomography (CT) and Cone Beam Computed Tomography (CBCT ) has become a valuable imaging modality in periodontology to determine a three-dimensional (3D) architecture of osseous defects, they all have limitations like high cost and high radiation dose. Results of studies testing alternative methods such as Tuned Aperture Computed Tomography (TACT) or Optical Coherence Tomography (OCT) for the detection and localization of osseous changes associated with periodontitis are encouraging. In addition, digital image analysis are commonly used to quantify changes in oral bone facilitates both qualitative and quantitative visualization of even minor density changes i...

Effect of Tube Current on Linear Measurement Accuracy of Cone Beam Computed Tomography Images

Current Medical Imaging Reviews, 2017

Ex vivo comparison of radiographic and electronic root canal length measurements in primary molars

European journal of paediatric dentistry : official journal of European Academy of Paediatric Dentistry, 2015

The aim of the study was to evaluate the accuracy of root canal length measurements of primary te... more The aim of the study was to evaluate the accuracy of root canal length measurements of primary teeth using an electronic apex locator (EAL) and digital radiography in comparison to stereomicroscopic measurement as gold standard. After preparation of access cavities of twenty extracted primary molars, the teeth were embedded in alginate blocks. Endodontic files were inserted in the root canals and the length was measured using ProPex II (Dentsply, Maillefer). When the reading was stable for 5s a silicone stop was used for reference. The true lengths of the files were then measured using a micrometer. The gold standard was determined by observing the tip of the file at the apical foramen under a stereomicroscope. For radiographic measurements standard images were obtained at 30 cm source-to-object distance, and zero degrees vertical and horizontal angulations. Radiographic images of each experimental tooth were obtained with the Digora Storage Phosphor Plates (SPP) (Soredex, Orion Cor...

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