efficiency of waters radiography in diagnosis practurs of one third middle face: comparing with cronal and axial cumputed tomography and clinical examination

introduction: maxillofacial region is one of the most complex regions in the body and radiographic imag-ing of this region is difficult because of clinical situation and patient’s cooperation. aim of this study was to evaluate efficient of waters as a preliminary radiography for diagnosis of midface fractures. methods and materials: this was experimental, cross-sectional and prospective study. in this investigation clinical examination performed and the number of midface fractures estimated in the patients visiting al-zahra medical center and also waters and ct scan performed to determine the number of fractures. fried-man test was used for comparison the mean of three dependent groups. results: among 20 evaluated patients the mean number of fractures were: ct scan (5.95), waters (4.6) and in clinical examination (2.45). friedman statistical analysis showed significant differences between three groups. conclusion: according to the results ct scan showed the most and clinical examination the least number of fractures. difference was much higher between clinical examination and ct scan whereas difference between ct scan and waters was less. waters view is useful for evaluation of midface fractures and is a convinient x-ray for patients who are being visited for the first time.