Reliability of CAD CAM technology in assessing crown preparations in a preclinical dental school environment

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In order to use CAD CAM (Computer Aided Design, Computer Aided Manufacturing) technology as an assessment tool when evaluating the preclinical performance of dental students, it is imperative that one has confidence in the reliability of the process. In this study, a variety of alignment methods were compared to determine both the consistency and accuracy of each method. Although the "Tooth Dots Diagonal" method exhibited the best precision (coefficient of variation=5.4 percent), it also represented the least accurate method when compared to the other methods tested. Using "Small Dots Diagonal" on the gingiva appears to be the best option, exhibiting an acceptable coefficient of variation (17.6 percent) and a high degree of accuracy in terms of tolerance (mean±standard deviation=0.163±0.029). Based on the results of this study, further investigation of CAD CAM technology for the purpose of assessment and education of dental students is recommended.

Original languageEnglish (US)
Pages (from-to)40-50
Number of pages11
JournalJournal of Dental Education
Volume78
Issue number1
StatePublished - Jan 1 2014

Fingerprint

CAM
Computer-Aided Design
Dental Schools
CAD
Crowns
Technology
Dental Students
Biomedical Technology Assessment
school
manufacturing technology
Gingiva
tolerance
Tooth
student
confidence
Education
performance
education

Keywords

  • Accuracy and precision
  • Assessment
  • CAD CAM
  • Dental education
  • Dental students
  • E-learning
  • Preclinical education

ASJC Scopus subject areas

  • Dentistry(all)
  • Education

Cite this

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abstract = "In order to use CAD CAM (Computer Aided Design, Computer Aided Manufacturing) technology as an assessment tool when evaluating the preclinical performance of dental students, it is imperative that one has confidence in the reliability of the process. In this study, a variety of alignment methods were compared to determine both the consistency and accuracy of each method. Although the {"}Tooth Dots Diagonal{"} method exhibited the best precision (coefficient of variation=5.4 percent), it also represented the least accurate method when compared to the other methods tested. Using {"}Small Dots Diagonal{"} on the gingiva appears to be the best option, exhibiting an acceptable coefficient of variation (17.6 percent) and a high degree of accuracy in terms of tolerance (mean±standard deviation=0.163±0.029). Based on the results of this study, further investigation of CAD CAM technology for the purpose of assessment and education of dental students is recommended.",
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AU - Callan, Richard S

AU - Blalock, John S.

AU - Cooper, Jeril Ransom

AU - Coleman, John Finklea

AU - Looney, Stephen Warwick

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N2 - In order to use CAD CAM (Computer Aided Design, Computer Aided Manufacturing) technology as an assessment tool when evaluating the preclinical performance of dental students, it is imperative that one has confidence in the reliability of the process. In this study, a variety of alignment methods were compared to determine both the consistency and accuracy of each method. Although the "Tooth Dots Diagonal" method exhibited the best precision (coefficient of variation=5.4 percent), it also represented the least accurate method when compared to the other methods tested. Using "Small Dots Diagonal" on the gingiva appears to be the best option, exhibiting an acceptable coefficient of variation (17.6 percent) and a high degree of accuracy in terms of tolerance (mean±standard deviation=0.163±0.029). Based on the results of this study, further investigation of CAD CAM technology for the purpose of assessment and education of dental students is recommended.

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