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The effectiveness of dental postgraduate courses--are we doing the right thing?
E G Absi1, N A Drage, H S Thomas
1School of Postgraduate Medical and Dental Education, University Dental Hospital & School, Heath Park, Cardiff, CF14 4XY. absieg@cf.ac.uk
Objective:
To evaluate the effectiveness of dental postgraduate one-day courses in radiation protection in Wales.
Design:
Analysis of dentists' performance pre- and immediately post-course training.
Subjects And Methods:
Two hundred and eighty-five general dental practitioners took part in eight courses. Identical, validated multiple choice questionnaires were completed anonymously at the start and at the end of each course. Fifty (+62.5%) or above was regarded as a satisfactory standard. Two hundred and fifty-three (89%) paired morning-afternoon records were completed and analysed. Data was compared to that of similar courses five years earlier.
Results:
The mean (SD) pre- and post-course percentage scores were 33.8 (13.5) and 63.6 (14.6). The mean improvement was 29.8 percentage points (SD 11.7). The pre-post correlation was +0.66. At baseline only six (2.4%) of the 253 practitioners achieved the preset standard. After the course, 146 (57.7%) did so, an improvement of 55.3% (95% CI 48.9-61.3%). The final score and score gain were slightly higher in more recent graduates. The increase in proportion attaining the standard following training was 11.9% higher for IRMER than for POPUMET (p <0.001).
Conclusion:
The level of knowledge in radiation protection was very low at baseline. Whilst attending the approved course led to considerable improvement, it did not invariably result in a satisfactory level of knowledge in fundamental radiation physics and regulations. The prescribed standard was achieved by less than 60% of the attendees. The IRMER course was significantly more effective than its POPUMET predecessor.
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