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J Dent Educ. 71(3): 365-372 2007
© 2007 American Dental Education Association
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Educational Methodologies

The Correlation of Student Performance in Preclinical and Clinical Prosthodontic Assessments

Donald A. Curtis, D.M.D.; Samuel L. Lind, Ph.D.; Sheila Brear, B.D.S.; Frederick C. Finzen, D.D.S.

Key words: prosthodontics, objective structured clinical exam, student assessment, student performance

Submitted for publication 08/14/06; accepted 10/30/06

Tracking student performance in preclinical and clinical courses can be helpful in developing and refining a curriculum. Our objective was to correlate student performance on three fixed prosthodontic examinations taken by eighty junior dental students. Examinations included a knowledge-based objective structured clinical examination (OSCE), a manual skills exercise completed on a typodont (Typodont), and a competency casting exam (Casting CE) on a patient. Multiple regression analysis indicated that the OSCE and Typodont exam scores, as independent variables, were not statistically significant predictors (P=0.07; P=0.87, respectively) of Casting CE exam performance, which was the dependent variable. Correlations were weak for the OSCE (r=0.21) and nearly nonexistent for the Typodont exam(r=0.03) when compared to the Casting CE. Our results indicate a weak correlation between an OSCE-based knowledge exam measuring students’ knowledge of critical errors in preparations and castings and a competency exam involving the preparation of a full veneer crown. Results also indicate virtually no correlation between a typodont preparation examination designed to provide a measure of students’ clinical skill and a clinical competency exam involving the preparation of a full crown.






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