نتایج جستجو برای: radiographic quality

تعداد نتایج: 779327  

2015
Reem Siraj Alsulaimani Kholod Khalil Al-Manei Sara A. Alsubait Razan Shafik AlAqeely Sharifa A. M. Al-Shehri Ebtissam M. Al-Madi

INTRODUCTION The aim of this study was to evaluate the effects of training duration and case difficulty on the radiographic quality of root canal fillings performed by dental students in Saudi Arabia. METHODS AND MATERIALS A longitudinal cohort study was conducted at King Saud University. Root canal treatments performed by 55 dental students from 2012-2014 were included in the study. Each stu...

Journal: :International endodontic journal 2000
L L Kirkevang D Ørstavik P Hörsted-Bindslev A Wenzel

AIM The aim of this study was to investigate the quality of endodontic and coronal restorations and the association with periapical status in a Danish population. METHODOLOGY A total of 614 randomly selected individuals (20-60+ years of age) from Aarhus County had a full-mouth radiographic examination. The quality of endodontic and coronal restorations and the periapical status of endodontica...

2009
Sandra Manfra Marretta

Dental radiography is an essential component in the delivery of high-quality dental care for dogs and cats. During the 1980s veterinarians began taking radiographs of teeth using standard radiographic units; however, these units made patient positioning difficult and often resulted in suboptimal films. In the 1990s dental radiographic units became a more common part of the veterinary dental dia...

Fataneh Nemati Mehrdad Gholami, Vahid Karami

Introduction In radiography, dose and image quality are dependent on radiographic parameters. The problem is caused from incorrect use of radiography equipment and from the radiation exposure to patients much more than required. Therefore, the aim of this study was to implement a quality-control program to detect changes in exposure parameters, which may affect diagnosis or patient radiation do...

Journal: :Annals of the rheumatic diseases 2001
A K Nilsdotter Y Aurell A K Siösteen L S Lohmander H P Roos

OBJECTIVE To investigate whether patients with severe radiographic osteoarthritis (OA) have a different outcome at one year after total hip replacement than patients with moderate radiographic OA. To investigate sex related differences in preoperative radiographic and self reported status and in postoperative outcome. METHODS 184 patients (96 women) with a mean age at surgery of 71.4 years (5...

Introduction: The introduction of digital radiography has led to a significant problem in terms of dose creep. To address this problem, manufacturers have established a set of exposure indicators (EI) as a feedback mechanism to safeguard against overexposure. The EI is the measure of incident exposure to the detector that is directly proportional to the signal-to-noise...

Journal: :Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2008
Anuwat Pongkunakorn Nuttawut Pengkong Wachara Maneeratroj

BACKGROUND Currently the standard femoral cementing technique requires cement injection gun to deliver bone cement into the femoral canal. The standard cement gun is expensive and must be imported. There is no previous study about the use of a household caulking gun for femoral cementation. OBJECTIVE To compare the radiographic quality of cementing technique in proximal femur between using st...

Journal: :General dentistry 2014
Timothy F Walker Peter Mah S Brent Dove W Doss McDavid

At present, the American Dental Association and the American Academy of Oral Maxillofacial Radiology have guidelines for the dental environment that include quality assurance and control of film-based radiography. Approximately 19%-30% of US dental offices currently use some form of digital intraoral radiography, and growth is expected to continue. It is anticipated that new tools and guideline...

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