Background: Dental radiology had helpful assistant in the diagnosis and treatment of oral diseases. Dentists in their practice have to access benefits of dental oral radiographs against its hazards. They must be aware of new radiation protection techniques and radiation dosage which daily receive. Present study was performed for radiation protection awareness in dentists of Yazd city and their knowledge about recent lowering radiation techniques. Materials & Methods: Present cross sectional study was performed on 102 medical dentists of Yazd city. Our study samples were participated in one Continues Medical Educations (CME) session. Knowledge assessment of study medical dentists was gathered with questionnaire which was given to study participants during CME session. Results: Eighty nine percent of dentists had poor and 11% had moderate awareness about radiation protection techniques. There was no significant difference between mean of knowledge scores among study participants according their age groups, job experiences and genders. Conclusion: The knowledge of dentists about radiation protection techniques was very poor and they should implement recent and appropriate radiation protection techniques and guidelines.
BackgroundScaphoid fractures are the most common type of carpal fractures.ObjectivesThe aim of the study was to compare the diagnostic value of panoramic and conventional radiographs of the wrist in scaphoid fractures.Patients and MethodsThe panoramic and conventional radiographs of 122 patients with acute and chronic wrist trauma were studied. The radiographs were analyzed and examined by two independent radiologist observers; one physician radiologist and one maxillofacial radiologist. The final diagnosis was made by an orthopedic specialist. Kappa test was used for statistical calculations, inter- and intra-observer agreement and correlation between the two techniques.ResultsWrist panoramic radiography was more accurate than conventional radiography for ruling out scaphoid fractures. There was an agreement in 85% or more of the cases. Agreement values were higher with better inter and intra observer agreement for panoramic examinations than conventional radiographic examinations.ConclusionThe panoramic examination of the wrist is a useful technique for the diagnosis and follow-up of scaphoid fractures. Its use is recommended as a complement to conventional radiography in cases with inconclusive findings.
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