Dynisco Pt 482 Manual Dexterity Skills

Although some recent studies concluded that dexterity is not a reliable predictor of performance in preclinical laboratory courses in dentistry, they could not disprove earlier findings which confirmed the worth of manual dexterity tests in dental admission. We developed a wire bending test (HAM-Man) which was administered during dental freshmen’s first week in 2008, 2009, and 2010. The purpose of our study was to evaluate if the HAM-Man is a useful selection criterion additional to the high school grade point average (GPA) in dental admission. Regression analysis revealed that GPA only accounted for a maximum of 9% of students’ performance in preclinical laboratory courses, in six out of eight models the explained variance was below 2%.

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The HAM-Man incrementally explained up to 20.5% of preclinical practical performance over GPA. In line with findings from earlier studies the HAM-Man test of manual dexterity showed satisfactory incremental validity. While GPA has a focus on cognitive abilities, the HAM-Man reflects learning of unfamiliar psychomotor skills, spatial relationships, and dental techniques needed in preclinical laboratory courses. The wire bending test HAM-Man is a valuable additional selection instrument for applicants of dental schools. Introduction Over the past 20 years many studies concluded that manual dexterity is not a reliable predictor of performance in preclinical laboratory courses in dentistry [], [], [], [], [], [], []. Dexterity was commonly measured with different manual ability tests, e.g.

The O‘-Connor-Tweezer-test [], [], a block-carving-test [], a set of subtests from different established dexterity tests [] or even partially with a computer game []. The use of these instruments is surprising with regard to the findings of Weinstein and Kiyak [] who concluded that dexterity tests for the prediction of performance should represent activities comparable to the tasks of preclinical laboratory courses. Weinstein and Kiyak developed the Dental Dexterity Test (DDT) that contains a device that simulates the human mouth. Subjects insert and then extract 32 pins with a tweezer with a time limit. Moreover, the cited studies did not take into account the results of Kao et al.

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[], who reported moderate relationships between a self developed wire-bending test and manual performance in the first and second dental years (0.337. Selection of dental students in Hamburg Since 2004 German universities are allowed to select 60% of their freshmen in dentistry using admission criteria additional to high school grade point average (GPA) as university quota []. The remaining study places are assigned by the GPA (20%, top GPA quota) and waiting period quota (20%) []. In each quota, GPA has to be considered for the selection process. However, GPA is focused on cognitive abilities in contrast to psychomotor skills [], [] and its relationship to practical performance in preclinical laboratory courses is very limited [], [], [].