Our department has used OSCEs for six years to evaluate students at the end of the third-year family medicine clerkship. Even after continuous improvement, our OSCE did not meet higher standards of reliability and would need at least three hours of testing per student to meet those standards. The low number of students in the rotation and limited resources to increase the duration of the OSCE made it very difficult to construct a more reliable examination. At the same time, both faculty and students wanted more direct observation and feedback on performance with clinical scenarios. Using existing OSCE resources to change the OSCE to a teaching tool proved to be an efficient use of teaching resources while increasing our educational impact. Students report that they appreciate the opportunity to have constructive discussions of their strengths and weaknesses in clinical encounters, observe a variety of doctor-patient interaction styles, and practice for future OSCE-type examinations. Faculty members enjoy this active teaching format and find the process of students giving feedback to their peers educationally useful. The teaching OSCE has been extremely well rated in the end-of-rotation evaluations and will be continued in future clerkships.
During the first and second year of the dental curriculum, students have little time to process and learn the didactic material in a meaningful way because of the large number of required courses in the curriculum. If an outcome of dental education is to promote critical thinking, however, methods need to be explored to encourage this process in dental students throughout the curriculum. Reflecting on experience is the way learners "make meaning" out of the information they acquire, and "making meaning" is an integral component in the development of critical thinking. The purpose of this pilot study was to explore how reflection on clinical experiences may facilitate the development of critical thinking in first-year dental students as well as assist them in integrating their didactic coursework with clinical care. I used Luborsky's thematic analysis to analyze semistructured interviews, clinical observations, and written reflection papers from dental students. The major themes identified from the data were: 1) connections between didactic material and the clinical experience, 2) the students' vision of their future role as dentists, and 3) the nature of the dentist-patient interaction. The data further suggest a process of reflective thinking that begins with students' questioning assumptions about their prior experience and knowledge that leads them to look at things in a new way and ultimately to recognize the need to take some action to provide care to the patient. The findings suggest that encouraging students to keep a clinic journal or write reflection papers about their experience may be a way to enhance student learning and is an area that deserves further research. . Reprints will not be available.
When dental students begin patient care in the clinical curriculum, they are required to move from the well-defined problems of the classroom to the more ambiguous and real life problems encountered in the context of patient care in the clinical setting. This change in learning environment requires development of reflective thinking. Reflective thinking refers to the process of thinking about uncertainty or ill-defined problems. King and Kitchener refer to the outcome of the reflective thinking process as reflective judgement. The purpose of this study was to explore the development of reflective judgement in the initial phase of the clinical curriculum. This exploratory study used a case study approach with qualitative methods. A convenience sample of third year predoctoral dental students (n = 16) volunteered to participate in writing a clinic journal and semi-structured interviews at three time points over a time period of one year. Student compliance in writing clinical journals was poor; therefore the qualitative data was primarily gathered from interview transcripts. The qualitative interview data were analysed using a coding scheme based on King and Kitchener's Reflective Judgement Model of Intellectual Development. The Cronbach alpha was 0.76 for reliability of the coding scheme. Based on the analysis of interview data, the there was an average growth in reflective judgement over the year from Stage 4.89 to 5.59 for an overall change of +0.70. Additional research is needed to explore the growth in reflective judgement over the final year of the clinical curriculum as well as to identify the most effective educational strategies to facilitate growth in reflective judgment.
A novel mouthrinse (IND 61,164) containing essential oils and extracts from four plant species (Melaleuca alternifolia, Leptospermum scoparium, Calendula officinalis and Camellia sinensis) were tested. This study aimed to evaluate the safety, palatability and preliminary efficacy of the rinse. Fifteen subjects completed the Phase I safety study. Seventeen subjects completed the Phase II randomized placebo-controlled study. Plaque was collected, gingival and plaque indices were recorded (baseline, 6 weeks, and 12 weeks). The relative abundance of two periodontal pathogens (Actinobacillus actinomycetemcomitans, Tanerella forsythensis) was determined utilizing digoxigenin-labeled DNA probes. ANCOVA was used at the p = 0.05 level of significance. Two subjects reported a minor adverse event. One subject withdrew from the study. Several subjects objected to the taste of the test rinse but continued treatment. Differences between gingival index, plaque index or relative abundance of either bacterial species did not reach statistical significance when comparing nine placebo subjects with eight test rinse subjects. Subjects exposed to the test rinse experienced no abnormal oral lesions, altered vital signs, changes in liver, kidney, or bone marrow function. Larger scale studies would be necessary to determine the efficacy and oral health benefits of the test rinse.
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