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Survey of dental radiological practice in Turkey

D lgüy^*, M lgüy, S Dinçer and G Bayrl

Department of Oral Diagnosis and Radiology Yeditepe University Faculty of Dentistry, Istanbul, Turkey

*Correpondence to: Dilhan lgüy, Yeditepe Üniversitesi DiHekimlii Fakültesi, Badat cad. No 238, 34728 Göztepe-stanbul, Turkiye; E-mail: ilguy{at}yeditepe.edu.tr

Received 22 September 2004; revised 9 February 2005; accepted 20 February 2005

Objectives: The aim of this study was to determine the dentist's knowledge about dose reduction techniques, radiographic equipment and quality of dental radiographic service in general dental practice in Turkey.

Methods: The survey was performed on 636 dentists who attended the 11th International Congress organized by the Turkish Dental Association. Information on the demographic characteristics of the dentists, radiographic equipment, techniques and processing they used and radiation protection was obtained with a 32 point questionnaire.

Results: The respondents' knowledge concerning the technical details of their equipment was limited, with 512 (86.9%) not knowing the kilovoltage peak (kVp) of their machine. Only 34 (5.5%) respondents reported having rectangular collimators. The dentists had little knowledge about the speed of film they used. D-speed film was the most preferred one with 21.6%. Fifty-eight (10.2%) dentists used E-speed film and the F-speed film was used only by 13 (2.3%) dentists. The most preferred technique (62%) for periapical radiography was the bisecting angle technique. Four hundred and eighty five (82.5%) of the dentists reported that they took the radiographs by themselves.

Conclusions: In the present study, the results indicate that for minimizing any unnecessary radiation, attempts should be made to improve dentists' knowledge about radiation dose reduction techniques.

Keywords: dental radiography; general practice; guidelines