نتایج جستجو برای: photostimulable phosphor plate

تعداد نتایج: 76788  

M Amiri Siavashani, S Bayat, S Mehralizade, S Miraba, S Nemati Anaraki, S Sakhdari,

Background and Aim: Considering the importance of detection of secondary caries, the adverse consequences of false positive and false negative diagnoses and the gap of information in the diagnostic efficacy of digital sensors in detection of secondary caries, this in vitro study sought to compare the diagnostic efficacy of two different resolutions of radiographs obtained by photostimulable pho...

Journal: :journal of dentistry, tehran university of medical sciences 0
shirin sakhdari azad dental branch ahmad reza talaeipour azad dental branch maziar talaeipour azad dental branch maryam pazhutan sanaz heidarkhan tehrani azad dental branch mohammad javad kharazifard

objectives: this study sought to assess the diagnostic accuracy of cone beam computed tomography (cbct) with different voxel sizes and intraoral digital radiography with photostimulable phosphor (psp) plate for detection of periapical (pa) bone lesions. materials and methods: in this ex vivo diagnostic study, one-millimeter defects were created in the alveolar sockets of 15 bone blocks, each wi...

2014
Mohamed Khalifa Zayet Yara Rabee Helaly Salma Belal Eiid

PURPOSE This study aimed to investigate the effect of changing the kilovoltage peak (kVp) on the radiographic assessment of dental caries. MATERIALS AND METHODS Seventy-five extracted posterior teeth with proximal caries or apparently sound proximal surfaces were radiographed with conventional E-speed films and a photostimulable phosphor system using 60 kVp and 70 kVp for the caries assessmen...

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 2011
Zhi-ling Zhang Xing-min Qu Gang Li Zu-yan Zhang Xu-chen Ma

OBJECTIVES To evaluate the accuracy of cone-beam computerized tomography (CBCT) for the detection of noncavitated proximal caries and to compare the detection accuracies of 2 CBCT imaging systems with those based on plain-film radiographs and phosphor-plate images. STUDY DESIGN Test radiographs of 39 noncavitated unrestored human permanent teeth were obtained with film, phosphor-plate, ProMax...

2011
Marianna Guanaes Gomes TORRES Aline da Silva SANTOS Frederico Sampaio NEVES Marcel Lautenschlager ARRIAGA Paulo Sérgio Flores CAMPOS Iêda CRUSOÉ-REBELLO

OBJECTIVES The aim of this study was to evaluate the detection of enamel-dentin occlusal caries using photostimulable phosphor plates. MATERIAL AND METHODS The ability to detect enamel-dentin occlusal caries in 607 premolars and molars from 47 patients between 10 and 18 years old, referred to the School of Dentistry of the Federal University of Bahia, Brazil, was evaluated based on clinical a...

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