Effect of Computer-Assisted Learning on Students' Dental Anatomy Waxing Performance. 2015

So Ran Kwon, and Marcela Hernández, and Derek R Blanchette, and Matthew T Lam, and David G Gratton, and Steven A Aquilino
Dr. Kwon is Associate Professor, Department of Operative Dentistry, University of Iowa College of Dentistry & Dental Clinics; Dr. Hernández is Clinical Associate Professor, Department of Family Dentistry, University of Iowa College of Dentistry & Dental Clinics; Mr. Blanchette is Biostatistician, Division of Biostatistics and Research Design, University of Iowa College of Dentistry & Dental Clinics; Mr. Lam is a fourth-year dental student, University of Iowa College of Dentistry & Dental Clinics; Dr. Gratton is Associate Professor and Director, Division of Maxillofacial Prosthodontics, Hospital Dentistry Institute, University of Iowa Hospitals & Clinics; and Dr. Aquilino is Professor Emeritus, Department of Prosthodontics, University of Iowa College of Dentistry & Dental Clinics. soran-kwon@uiowa.edu.

The aim of this study was to evaluate the impact of computer-assisted learning on first-year dental students' waxing abilities and self-evaluation skills. Additionally, this study sought to determine how well digital evaluation software performed compared to faculty grading with respect to students' technical scores on a practical competency examination. First-year students at one U.S. dental school were assigned to one of three groups: control (n=40), E4D Compare (n=20), and Sirona prepCheck (n=19). Students in the control group were taught by traditional teaching methodologies, and the technology-assisted groups received both traditional training and supplementary feedback from the corresponding digital system. Five outcomes were measured: visual assessment score, self-evaluation score, and digital assessment scores at 0.25 mm, 0.30 mm, and 0.35 mm tolerance. The scores from visual assessment and self-evaluation were examined for differences among groups using the Kruskal-Wallis test. Correlation between the visual assessment and digital scores was measured using Pearson and Spearman rank correlation coefficients. At completion of the course, students were asked to complete a survey on the use of these digital technologies. All 79 students in the first-year class participated in the study, for a 100% response rate. The results showed that the visual assessment and self-evaluation scores did not differ among groups (p>0.05). Overall correlations between visual and digital assessment scores were modest though statistically significant (5% level of significance). Analysis of survey responses completed by students in the technology groups showed that profiles for the two groups were similar and not favorable towards digital technology. The study concluded that technology-assisted training did not affect these students' waxing performance or self-evaluation skills and that visual scores given by faculty and digital assessment scores correlated moderately.

UI MeSH Term Description Entries
D007858 Learning Relatively permanent change in behavior that is the result of past experience or practice. The concept includes the acquisition of knowledge. Phenomenography
D008297 Male Males
D008953 Models, Anatomic Three-dimensional representation to show anatomic structures. Models may be used in place of intact animals or organisms for teaching, practice, and study. Anatomic Models,Models, Surgical,Moulages,Models, Anatomical,Anatomic Model,Anatomical Model,Anatomical Models,Model, Anatomic,Model, Anatomical,Model, Surgical,Moulage,Surgical Model,Surgical Models
D009048 Motor Skills Performance of complex motor acts. Motor Skill,Skill, Motor,Skills, Motor
D003194 Computer-Assisted Instruction A self-learning technique, usually online, involving interaction of the student with programmed instructional materials. Programmed Instruction, Computerized,Self-Instruction Programs, Computerized,Computer Assisted Instruction,Computer-Assisted Instructions,Computerized Programmed Instruction,Computerized Self-Instruction Program,Computerized Self-Instruction Programs,Instruction, Computer-Assisted,Instruction, Computerized Programmed,Instructions, Computer-Assisted,Program, Computerized Self-Instruction,Programs, Computerized Self-Instruction,Self Instruction Programs, Computerized,Self-Instruction Program, Computerized
D004497 Education, Dental Use for articles concerning dental education in general. Dental Education
D004521 Educational Measurement The assessing of academic or educational achievement. It includes all aspects of testing and test construction. Assessment, Educational,Graduate Records Examination,Educational Assessment,Examination, Graduate Records,Measurement, Educational,Assessments, Educational,Educational Assessments,Educational Measurements,Examinations, Graduate Records,Graduate Records Examinations,Measurements, Educational
D005179 Faculty, Dental The teaching staff and members of the administrative staff having academic rank in a dental school. Dental Faculties,Dental Faculty,Faculties, Dental
D005246 Feedback A mechanism of communication within a system in that the input signal generates an output response which returns to influence the continued activity or productivity of that system. Feedbacks
D005260 Female Females

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