Results 81 to 90 of about 23,272 (344)

Digital and tomographic identification of risk indicators for gingival recession in the mandibular anterior region: A cross‐sectional study

open access: yesJournal of Periodontology, EarlyView.
Abstract Background To assess clinical and anatomical risk indicators for mid‐buccal gingival recessions (GRs) in the mandibular anterior region using digital and tomographic tools. Methods A cross‐sectional study was conducted on 103 patients (618 teeth).
Gonzalo Blasi   +5 more
wiley   +1 more source

مقایسه گیرنده دیجیتال CMOS با فیلم در تشخیص تحلیل خارجی ریشه: مطالعه آزمایشگاهی [PDF]

open access: yesJournal of Mashhad Dental School, 2011
مقدمه:تحلیلریشهیکیازمعضلاتتشخیصیدردرمان‏هایاندودنتیکمی‏باشد. باتوجهبه این کهموفقیت درمان به تشخیص زودهنگام این پاتولوژی وابسته است، لذا به کارگیری ابزارهای مختلف تشخیصی اعم از تصاویر رادیوگرافی بر پایه فیلم و یا تصاویر دیجیتال و در نهایت تکنیک‏های ...
زهرا دلیلی   +3 more
doaj  

A retrospective radiographic evaluation of the anterior loop of the mental nerve: comparison between panoramic radiography and cone beam computerized tomography [PDF]

open access: yes, 2014
Objectives: To compare the prevalence and the length of mental loop, measured with panoramic radiography (PR) and cone beam computerized tomography (CBCT).
Gay Escoda, Cosme   +3 more
core   +2 more sources

Are the detection and dimensions of peri‐implant buccal bone defects influenced by different implant materials and their location? An experimental cone‐beam computed tomography study

open access: yesJournal of Periodontology, EarlyView.
Abstract Background The aim of this study is to evaluate the impact of different implant materials and arrangements within the field of view (FOV) and exomass on the diagnostic accuracy and image quality of cone‐beam computed tomography (CBCT) for the detection of peri‐implant buccal bone defects of various sizes. Methods A total of 120 CBCT scans with
Yulan Wang   +5 more
wiley   +1 more source

The Effects on Absorbed Dose Distribution in Intraoral X-ray Imaging When Using Tube Voltages of 60 and 70 kV for Bitewing Imaging

open access: yeseJournal of Oral Maxillofacial Research, 2013
Objectives: Efforts are made in radiographic examinations to obtain the best image quality with the lowest possible absorbed dose to the patient. In dental radiography, the absorbed dose to patients is very low, but exposures are relatively frequent.
Kristina Hellén-Halme, Mats Nilsson
doaj   +1 more source

Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends

open access: yesLaser &Photonics Reviews, EarlyView.
This review examines how optical coherence tomography transforms industrial inspection by delivering real‐time, micrometer‐resolution, depth‐resolved imaging. It surveys applications across display manufacturing, thin films, microelectronics, laser processing, and coatings, evaluates performance against conventional techniques, and highlights emerging ...
Nipun Shantha Kahatapitiya   +7 more
wiley   +1 more source

Accuracy of Digital Subtraction Radiography in detection of artificial external root resorption (in vitro)

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2008
Introduction: External root resorption refers to the loss of cementum and/or dentin from the rootof the teeth. 40% mineral loss occur in conventional radiographies but digital subtractionradiography is capable of localizing a lesion with only 1-5 ...
R Ghafari, M Keshavarzi
doaj  

Evaluation of the effects of postprocessing settings in digital bitewing radiographs on proximal caries detection

open access: yesClinical and Experimental Dental Research
Objective Radiographs are an integral part of detecting proximal caries. The aim of this study was to evaluate the effect of contrast, brightness, noise, sharpness, and γ adjustment of digital intraoral radiographs on the diagnosis of proximal caries ...
Mehrdad Abdinian   +5 more
doaj   +1 more source

Comparative Analysis of Data Efficiency Between Conventional Periapical Radiography and Digital Subtraction Radiography in Chronic Periodontitis Patients

open access: yesEuropean Annals of Dental Sciences
Purpose: Advancements in technology have driven a shift towards digital techniques alongside conventional screening methods indental radiology and across medical disciplines.
Arzu Alan, Tolga Tözüm, Hilmi Kansu
doaj   +1 more source

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

open access: yes, 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.   +6 more
core  

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