the survey of knowledge of dentists in correct prescription radiography in isfahan city

abstract as uses of x-ray increases for diagnostic purposes, the necessity for dentists to have adequate knowledge about prescribing radiographs also increases. this will cause correct diagnosis and reduces the radiation to the patient. the aim of this cross sectional study was to evaluate the knowledge of dentists from isfahan about prescribing radiographs. for this research a question form was designed and filled by 230 dentists, which were chosen randomly.t-test analysis was used. the results showed that the dentists' knowledge about prescribing panoramic and periapical and bitewing radiographs was good, about occlusal and about growth and development assessment was moderate and about in highrisk and normal patients and periodontal caries patient and ct and mri was poor.there was no difference between knowledge of female and male dentists. there was no difference between knowledge of general dentists, residents and specialists about prescription panoramic, periapical, bitewing, growth and development assessment and caries, but the knowledge of residents was better than general dentists about prescription occlusal radiographs. about ct andmri the knowledge of specialists and residents were higher than general dentists. about prescription radiography for periodontal patient knowledge of specialists were higher than general dentists and residents. key words. dentists, correct prescription, radiography. address. dr. mojde mehdizade (assistatn professor), department of radiology, school of dentistry, isfahan university of medical sciences, isfahan, iran. e-mail: [email protected] journal of isfahan dental school 2005; 1(2): 76-78.