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Objectives: To evaluate an evolving radiation protection dental postgraduate course run in Wales between 2003 and 2007. Methods: We compared three standardized course series. Course content was enhanced in 2006 to target areas of weakness. In 2007, a single best answer multiple choice questionnaire instrument superseded a true/false format. Practitioners' performance was studied pre- and immediately post-training. 900 participants completed identical pre- and post-course validated multiple choice questionnaires. 809 (90%) paired morning--afternoon records, including those of 52 dental care professionals (DCPs), were analysed. Results: Mean (standard error) pre- and post-course percentage scores for the three courses were 33.8 (0.9), 35.4 (1.4), 34.6 (1.0) and 63.6 (0.9), 59.0 (1.4), 69.5 (0.9). Pre-training, only 2.4%, 3.1% and 4.9% of participants achieved the pass mark compared to 57.7%, 48.4% and 65.9% post-training, indicating a rather greater pass rate and gain in the most recent series than earlier ones. In recent series, older more experienced candidates scored slightly higher; however, their gain from pre- to post-training was slightly less. Conclusions: Baseline levels of radiation protection knowledge remained very low but attending an approved course improved this considerably. Targeting areas of weaknesses produced higher scores. Current radiation protection courses may not be optimal for DCPs. [ABSTRACT FROM AUTHOR]

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. [ABSTRACT FROM AUTHOR]

Objectives: To evaluate an evolving radiation protection dental postgraduate course run in Wales between 2003 and 2007., Methods: We compared three standardized course series. Course content was enhanced in 2006 to target areas of weakness. In 2007, a single best answer multiple choice questionnaire instrument superseded a true/false format. Practitioners' performance was studied pre- and immediately post-training. 900 participants completed identical pre- and post-course validated multiple choice questionnaires. 809 (90%) paired morning-afternoon records, including those of 52 dental care professionals (DCPs), were analysed., Results: Mean (standard error) pre- and post-course percentage scores for the three courses were 33.8 (0.9), 35.4 (1.4), 34.6 (1.0) and 63.6 (0.9), 59.0 (1.4), 69.5 (0.9). Pre-training, only 2.4%, 3.1% and 4.9% of participants achieved the pass mark compared to 57.7%, 48.4% and 65.9% post-training, indicating a rather greater pass rate and gain in the most recent series than earlier ones. In recent series, older more experienced candidates scored slightly higher; however, their gain from pre- to post-training was slightly less., Conclusions: Baseline levels of radiation protection knowledge remained very low but attending an approved course improved this considerably. Targeting areas of weaknesses produced higher scores. Current radiation protection courses may not be optimal for DCPs.