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Dentomaxillofacial Radiology, Vol 26, Issue 4 219-224, Copyright © 1997 by British Institute of Radiology

ARTICLES

Knowledge of oral radiology among Swedish dentists

B. Svenson, B. Soderfeldt and H. Grondahl
Department of Oral Radiology, Postgraduate Dental Education Center, Orebro, Sweden.

OBJECTIVES: To develop a method of measuring Swedish dentists' knowledge of oral radiology and to relate the knowledge measure to a number of characteristics including risk attitude and use of low dose techniques. METHODS: A questionnaire was mailed to 2000 randomly selected dentists listed in the register of the Swedish Dental Society, with a response rate of 69.2%. An index for measuring knowledge was constructed, based on the answers to the questions. The measure was cross-tabulated with a number of demographic variables. RESULTS: Dentists with 5-25 years in practice had a higher level of knowledge than those with either fewer or more years in practice. Dentists working in the Public Dental Health Service had a higher level of knowledge compared with those in private practice. Specialists had a significantly higher level of knowledge compared with dentists who were not. Forty-two per cent of the dentists had not attended any course in oral radiology since graduation. Seventy-nine per cent of the dentists using a 'low' dose technique had a 'high' level of knowledge. The difference between dentists using a 'low-dose' and a 'high-dose' technique was statistically significant (P = 0.000). Dentists' attitude to risk is related to their knowledge. Seventy-one per cent of the dentists in counties with a specialist in oral radiology had a 'high level of knowledge' compared with 57% in those without. CONCLUSIONS: It is possible to study the relationship between knowledge and demographic variables by a survey. Work experience and extended education affect dentists' knowledge. There is an association between knowledge, use of low-dose techniques and risk attitude.


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Copyright © 1997 by the British Institute of Radiology.