نتایج جستجو برای: radiographic quality
تعداد نتایج: 779327 فیلتر نتایج به سال:
The aim of this dissertation was to assess the potential of cone beam computed tomography in bone quality assessment prior to implant placement. The emphasis was on radiographic bone density measurement as one of the most important criteria of bone quality. In chapter 1, the definition of bone quality and its relation with implant treatment success was explained. The application of different mo...
The modulation transfer function (MTF) is widely used as the image quality criterion of choice for imaging applications where fine detail in extended images needs to be specified or evaluated. We present a parametric analysis of the effect of scattered light upon the MTF of an imaging system and illustrate the results for three specific applications: (1) a visible Newtonian telescope with moder...
STUDY OBJECTIVES Determine effects of low-dose estradiol and low-dose venlafaxine on self-reported sleep measures in menopausal women with hot flashes. DESIGN 3-arm double-blind randomized trial. Participants assigned in a 2:2:3 ratio to 17β estradiol 0.5 mg/day (n = 97), venlafaxine XR 75 mg/day (n = 96), or placebo (n = 146) for 8 weeks. SETTING Academic research centers. PARTICIPANTS 3...
BACKGROUND Femoroacetabular impingement (FAI) is a well-recognized condition that causes hip pain and can lead to early osteoarthritis if not managed properly. With the increasing awareness and efficacy of operative treatments for pincer-type FAI, there is a need for consensus on the standardized radiographic diagnosis. PURPOSE To perform a systematic review of the evidence regarding imaging ...
Clinical effectiveness of basic root canal treatment after 24 months: a randomized controlled trial.
INTRODUCTION The purpose of this study was to investigate the effectiveness of basic root canal treatment (BRT) with tactile working length determination in terms of radiographic and clinical outcome parameters compared with endodontic treatment with standard radiographic working length control. METHODS This was a clinical, multicenter, controlled, open-label trial to evaluate BRT effectivene...
abstract this study tried to investigate whether there was any significant relationship between technical translation quality of the senior english translation students and their levels of verbal-linguistic, visual-spatial and interpersonal intelligences. in order to investigate the research questions, the researcher selected a hundred senior english translation students from three universitie...
The purposes of this report, “Multiple Radiographic Analysis (Systemic Disease), dental panoramic radiography” will be interpreted conditions which are spread out within the body rather than localized strictly to the tissues of the oral cavity. Our main goal is discussing different possibilities for analysis and research, highlighting a few different publications in this theme of study, using i...
Obtaining quality radiographs on pediatric patients can be a challenge. Suggestions for communicating with patients about radiation safety and the need for radiographs can facilitate the process. Guidelines for radiographic exposure intervals for young patients are key elements in the reduction of exposure to ionizing radiation and are presented in this paper. The child patient presents unique ...
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