Results 91 to 100 of about 69,836 (228)

Trends in Estimated Thyroid, Salivary Gland, Brain, and Eye Lens Doses From Intraoral Dental Radiography Over Seven Decades (1940 TO 2009)

Health Physics, 2019
Supplemental digital content is available in the text. Abstract The purpose of this study is to support retrospective dose estimation for epidemiological studies by providing estimates of historical absorbed organ doses to the brain, lens of the eye ...
R.C. Fontana, E. Pasqual, D.L. Miller, S. Simon, E. Cardis, I. Thierry-Chef   +5 more
semanticscholar   +1 more source

Diagnosis of Approximal Caries after Delayed Scanning of Photostimulable Phosphor Plates

Journal of Dentistry, 2017
Statement of the Problem: Considering the high diagnostic accuracy and wide dynamic range of photostimulable phosphor plates (PSPs), they can be a good alternative for radiographic films.
Zahra Ghoncheh , Yasaman Kheirandish , Hanieh Kaviani , Mohammad Javad Kharazi Fard , Kurosh Sadeghi   +4 more
doaj  

Radiation dose and protection in dentistry

Japanese Dental Science Review, 2010
Radiographic examinations play an essential part of dental practice. Because a certain amount of radiation is inevitably delivered to patients, it should be as low as reasonably achievable. The purposes of this article are to review the definition of the
Tomohiro Okano, Jaideep Sur
doaj   +1 more source

Evaluation of the effect of storage time and disinfectant solutions on the dimensional accuracy of impression materials with digital radiography.

Dental and Medical Problems, 2019
BACKGROUND The dimensional accuracy of impression materials has been evaluated for a long time, but thus far, digital radiography has not been used for this purpose.
H. Özdemir, Kader Azlağ Pekince
semanticscholar   +1 more source

Diagnostic yield of dental radiography and digital tomosynthesis for the identification of anatomic structures in dogs. [PDF]

Front Vet Sci
IntroductionThe purpose of this study was to evaluate the use of a novel imaging modality, digital tomosynthesis (DT), for identification of predefined anatomic dental and maxillomandibular structures in dogs.MethodsDT images were compared to conventional intraoral dental radiography (DR) for the diagnostic yield regarding the presence and quality of ...
May T, Lommer MJ, Arzi B, Goldschmidt SL, Hatcher DC, Soltero-Rivera MM.   +5 more
europepmc   +6 more sources

Fractal dimension analysis in digital periapical radiographs: A diagnostic indicator of osteoporosis in post-menopausal women

Journal of Indian Academy of Oral Medicine and Radiology, 2017
Objectives: To assess the alveolar bone density by fractal dimension (FD) analysis in radiovisiograph of postmenopausal women of mandibular posterior region and to correlate FD values with t-scores of quantitative ultrasound of the calcaneus bone ...
Mathivanan Kavitha, Mubeen Khan, Kondajji Ramachandra Vijayalakshmi   +2 more
doaj   +1 more source

The need for national diagnostic reference levels: Entrance surface dose measurement in intraoral radiography [PDF]

, 2004
Background: Intraoral radiographies are the most frequent X-ray examinations in humans. According to International Commission on Radiation Protection (ICRP) recommendations, the selection of a diagnostic reference level (DRL) should be specific to a ...
Ghiassi-Nejad, M., Jafari Zadeh, M., Kavousi, A, Mortazavi, M., Mozdarani, Hossein., Nazeri, F., Shareghi, A.   +6 more
core  

A new method for the automated alignment of dental radiographs for digital subtraction radiography

Dentomaxillofacial Radiology, 2000
OBJECTIVES To provide a robust and convenient method by which radiographic images can be spatially aligned for digital radiographic subtraction without the use of manually selected reference points. METHODS An automated method for image alignment is described which begins with the extraction of a large number of edge features (1500 or more pixels ...
openaire   +3 more sources

Radiographic assessment of peri-implant bone level: A comparative study of digital intraoral and digital panoramic radiography [PDF]

Stomatološki glasnik Srbije, 2015
Introduction The objective of this study was to compare two radiographic methods - digital intraoral and digital panoramic radiography in assessing marginal bone level around dental implants.
Gupta Ishita, Chaudhry Astha, Savita Solanki, Shetti Arvind   +3 more
doaj  

Detection of Carious Lesions and Restorations Using Particle Swarm Optimization Algorithm

International Journal of Dentistry, 2016
Background/Purpose. In terms of the detection of tooth diagnosis, no intelligent detection has been done up till now. Dentists just look at images and then they can detect the diagnosis position in tooth based on their experiences. Using new technologies,
Mohammad Naebi, Eshaghali Saberi, Sirous Risbaf Fakour, Ahmad Naebi, Somayeh Hosseini Tabatabaei, Somayeh Ansari Moghadam, Elham Bozorgmehr, Nasim Davtalab Behnam, Hamidreza Azimi   +8 more
doaj   +1 more source