نتایج جستجو برای: radiographic film classification

تعداد نتایج: 606083  

Journal: :The journal of contemporary dental practice 2013
Carlos Vieira Andrade Emmanuel João Nogueira Leal Silva Juliana Melo Da Silva Caio Cesar Randi Ferraz

AIM To describe the lateral radiographic technique, its use and indication. BACKGROUND The clinician's difficulty in performing the correct diagnosis for some endodontic situations sometimes leads to a compromised treatment of some teeth. Considering this, an alternative radiographic technique for anterior teeth (lateral radiographic technique - LRT) may be used to help endodontic diagnosis. ...

ژورنال: مجله دندانپزشکی 2010
تاری, مجید, میرزایی, مریم, پنج نوش, مهرداد,

Background and Aims: Radiographic examination prior to implant placement is often complemented with tomography for location of vital anatomic structures and evaluation of bone volume. The aim of this study was to evaluate the accuracy of Photostimulable Phosphor Plate system with that of conventional film-screen in mandibular pre-implant linear tomography Materials and Methods: In this test eva...

Journal: :Physics in medicine and biology 2001
T Cheung M J Butson P K Yu

The visible absorption spectra of Kodak X-Omat V film, which had been exposed to various doses of radiation, have been investigated to analyse the dosimetry characteristics of the film with various densitometers. Common densitometers can use fluorescent light (broad band visible), helium-neon (632 nm) or other spectra of specific bandwidth. The visible absorption spectra show a slight peak in a...

Journal: :Pediatric dentistry 2008
Viviane Santos da Silva Pierro Roberta Barcelos Ivete Pomarico Ribeiro de Souza Rubens Júnior Raymundo

PURPOSE The purpose of this study was to evaluate a modified bitewing film holder based on preschoolers' acceptance and the diagnostic quality of radiographic images. METHODS Sixty-six 3- to 5-year-old children were radiographed with the modified device. Acceptance was assessed according to their behavior during the radiographic examination and to their perception of the procedure. In only th...

Journal: :journal of dentistry, tehran university of medical sciences 0
mahkameh moshfeghi majid shahbazian soodabeh sadat sajadi sepideh sajadi hossein ansari

objectives : optimum viewing conditions facilitate identification of radiographic details and decrease the need for retakes, patients’ costs and radiation dose. this study sought to evaluate the effects of different viewing conditions on radiographic interpretation. materials and methods: this diagnostic study was performed by evaluating radiograph of a 7mm-thick aluminum block, in which 10 hol...

Journal: :American Journal of Roentgenology 1979

2005
S F Burch N J Collett

This document covers recommended practice for the radiographic inspection of corrosion in small bore piping and in the small bore connections to larger diameter main pipes. Inspection of this type of component is not covered by any internationally recognised standards or procedures, and there is therefore a need for guidance on recommended practice. Recommendations are given concerning techniqu...

Journal: :The Journal of Contemporary Dental Practice 2016

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