PPT-RADIOGRAPHIC ERRORS AND ARTIFACTS

Dr Walid Samir Salem BDS MS MHPE lecturer Oral Surgery Department Member Dental education unit Films with errors should be avoided due to the following reasons Retake will lead to Expose the patient to unnecessary radiation. Role of Artifacts in Educator Support and . Evaluation. Spring 2015 Webinar. Outcomes. Explain . the three . categories . of evidence required by the Oregon Framework, and identify concrete examples of . M.L. Chindia. School of Dental Sciences. UNIVERSITY OF NAIROBI. Presentation Objectives:. To provide an appraisal of some common and rare jaw lesions.. To provide a review of the existing nomenclature. 1.1 Radiographic examination15,16,17 Radiographic procedures prior to the age of 10-11 years are usually of little benefit in terms of the knowledge gained.1,7 The examination usually involves takin . Radiographic Terminology. Basic Imaging Principles. Positioning Principles. Digital Imaging. I. Radiographic Terminology. General Terms. Radiograph. Radiography. Radiograph vs. x-ray film. Radiographic images. M.L. Chindia. School of Dental Sciences. UNIVERSITY OF NAIROBI. Presentation Objectives:. To provide an appraisal of some common and rare jaw lesions.. To provide a review of the existing nomenclature. NOW THEN A SCAVENGER HUNT Listed are artifacts we use today Find artifacts in the museum or on the trail that appear to be the Ancestral Pueblo version of todays artifacts Write the name of that artif DEPT OF PERIODONTICS. ADVANCES IN. PERIODONTAL. DIAGNOSIS. INTRODUCTION . Diagnosis is the corner stone in the practice of healing art. The practice of . periodontics. requires excellence in diagnostic skills. . Moderator: Dr. K. B . Umamaheshwari. Presenter: Dr. Ameet Mudda. introduction. Artifacts can seriously degrade the quality of computed . tomographic. (CT) images, sometimes to the point of making them diagnostically unusable.. . D. entistry. . SEMMELWEIS. . UNIVERSITY. BUDAPEST. Department. of . Dentistry. . for. . Children. . and . Orthodontics. RADIOLOGY. the medical speciality, t. hat uses imaging to diagnose and treat diseases seen within the body;. Improve SNR.. Avoid saturation of the signal.. Avoid loss of useful information.. Reduce artifacts.. Optimize resolution.. Limit examination time.. ARTIFACTS. Defined as a . feature appearing in an ultrasound image . JN is a 71 . yo. F with PMH of CAD and A-fib that presents 1 week s/p CABG with CC of “dizziness and weakness” x 3 days. . Since recent DC:. “Like I am going to black-out”. Exacerbated by standing, made better by sitting. Carl R. . Crawford. Csuptwo, . LLC. www.csuptwo.com. August 5, 2019. CT Yesterday and Today. Cormack – no images – cross-sections. Hounsfield/EMI – head only. Today: whole body, complete organ scanning. Artifacts are simply signal misrepresentations that do not correspond to the location of the specific tissue imaged. . What causes artifacts. ?. The Patient/ Subject. Magnetic Field Inhomogeneity. Machine Hardware. Dr Sanjay Purohit. Department of Surgery and . Radiology, DUVASU. , Mathura. 1. Prof. Sanjay . Purohit. – Educational & Confidential - contents – collected from different sources -not permitted for replication & commercial purposes .