نتایج جستجو برای: radiographic magnification

تعداد نتایج: 34506  

Journal: :iranian journal of veterinary medicine 2014
majid masoudifard alireza vajhi shahram mansouri mohammad molazem alireza bahonar

the akhal-teke is an ancient horse originat-ing from asia where it was used by nomadic tribes and used as a warhorse. lameness examinations require proper interpretation of clinical and radiographic findings. therefore, understanding of normal radiographic findings of the foot is necessary. although the radiographic appearance of the normal foot must be understood to recognize abnormalities ,th...

Journal: :The Journal of bone and joint surgery. British volume 1950
H J BURROWS

The magnification of the radiographic image, though often of little consequence in nailing the fractured femoral neck, may lead to important errors in nailing the hip to promote arthrodesis. The use of a graduated measure that can be calibrated to the correct scale relieves the surgeon of mental arithmetic. Such a device is shown in Figure 1.

Journal: :Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics 1998
A Catić A Celebić M Valentić-Peruzović A Catović V Jerolimov I Muretić

The purpose of this study was to evaluate the precision of dimensional measurements of the mandible on orthopantomographic images and thus to evaluate their dimensional reliability. Different distances denoted by metal markers were measured on 25 dry mandibles. The same mandibles were then positioned in an orthopantomographic machine, and radiographic images of them were made. Measurements of t...

Journal: :Journal of applied oral science : revista FOB 2005
Mitsuru Ogata Leonor de Castro Monteiro Loffredo Milton Carlos Kuga Gulnara Scaf

OBJECTIVE To compare the efficacy of three conditions of image interpretation for radiographic root measurements and calculating the intra-observer reproducibility of the measurements. MATERIAL AND METHODS Thirty intra-operative periapical radiographs of maxillary central and lateral incisors were measured, in mm, from the tip of the file to the radiographic apex, using a caliper. Three separ...

ژورنال: مجله دندانپزشکی 2008
ابوالحسنی, فرید, باشی‌زاده فخار, حوریه, محتوی‌پور, طاهره,

Background and Aim: Accurate bone measurements are essential to determine the optimal size and length of dental implants. The magnification factor of radiographic images may vary with the imaging technique used. The purpose of this study was to compare the accuracy of linear tomography and panoramic radiography in vertical measurements, as well as the accuracy of linear tomography in mandibular...

Journal: :Brazilian dental journal 2008
José Moreira da Silva Neto Rosenês Lima dos Santos Maria Carmeli Correia Sampaio Fábio Correia Sampaio Isabela Albuquerque Passos

The aim of this ex vivo study was to compare visual clinical and radiographic examinations to the histological analysis for proximal caries diagnosis in extracted permanent molars and premolars. The relationship between clinical aspects and carious lesions was also evaluated. Eighty-eight proximal surfaces (44 freshly extracted teeth) were longitudinally sectioned with a 370-microm diamond disk...

Journal: :Journal of endodontics 2002
Michael M Hoen Frank E Pink

A prospective in vivo investigation was conducted to determine radiographic and clinical factors associated with contemporary nonsurgical endodontic retreatments. Approximately 1,100 failing endodontically treated teeth were screened to determine an appropriate treatment plan. Using magnification, 337 consecutive retreatment cases were evaluated and treated. The vast majority of the retreated c...

2017
Fernanda Garcia Tampelini Marcelo Santos Coelho Marcos de Azevêdo Rios Carlos Eduardo Fontana Daniel Guimarães Pedro Rocha Sergio Luiz Pinheiro Carlos Eduardo da Silveira Bueno

OBJECTIVES The aim of this in vivo study was to assess the accuracy of 2 third-generation electronic apex locators (EALs), Propex II (Dentsply Maillefer) and Root ZX II (J. Morita), and radiographic technique for locating the major foramen (MF). MATERIALS AND METHODS Thirty-two premolars with single canals that required extraction were included. Following anesthesia, access, and initial canal...

Journal: :Annals of the rheumatic diseases 2003
S Sugiyama M Itokazu Y Suzuki K Shimizu

OBJECTIVE To investigate the prognostic value of procollagen type II carboxy-terminal propeptide (PIICP) level in synovial fluid in relation to early tibiofemoral joint osteoarthritis (OA). METHODS Data were collected on 172 women (age 40 to 59 years) who had knee pain and tibiofemoral joint OA in the early stage. Standing semiflexed knee radiographs were obtained by fluoroscopy at baseline a...

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