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Lean Methods Applied to CAD/CAM Pedagogy in the Dental Simulation Laboratory.
J Dent Educ. 2019 Sep; 83(9):1081-1091.JD

Abstract

Dental education is incorporating computer-assisted design/computer-assisted manufacturing (CAD/CAM) into patient care delivery. The aim of this study was to determine if lean production methods applied to the preclinical phase of dental education would reduce the students' time (efficiency) to complete CAD/CAM indirect restorations (CAD/CAM IR) without compromising the desired quality of the CAD/CAM tooth preparations (effectiveness). In 2016, all third-year students at one U.S. dental school were randomly assigned to control and research groups (approximately 33 per group). The control group was taught using existing methods, while the course was redesigned to incorporate lean methods for the research group. Cycle times of the CAD/CAM IR process for both groups were collected and statistically analyzed to compare the effectiveness of the redesign. Standardized grading forms and tools were used to assess the quality of the CAD/CAM tooth preparations. The research group demonstrated significantly faster preparation times with both crowns and onlays (p<0.05) than the control group. The research group also produced CAD/CAM crown and onlay designs at a significantly faster pace than the control group (p<0.05). There was no significant difference between the control and research groups associated with the scanning process times (p>0.05) nor in the quality of the CAD/CAM tooth preparations (p>0.05). This study demonstrated that lean methods applied to pedagogy significantly decreased preparation and design times in a CAD/CAM restorative dentistry course without compromising the quality of the CAD/CAM tooth preparations.

Authors+Show Affiliations

Sharon C. Siegel, DDS, MS, MBA, is Professor, Department of Prosthodontics, College of Dental Medicine, Nova Southeastern University; Steven B. Kramer, MS, PhD, is Associate Professor, Department of Decision Sciences, H. Wayne Huizenga College of Business and Entrepreneurship, Nova Southeastern University; and Kimberly M. Deranek, MS, PhD, is Associate Professor, Department of Decision Sciences, H. Wayne Huizenga College of Business and Entrepreneurship, Nova Southeastern University. scsiegel@nova.edu.Sharon C. Siegel, DDS, MS, MBA, is Professor, Department of Prosthodontics, College of Dental Medicine, Nova Southeastern University; Steven B. Kramer, MS, PhD, is Associate Professor, Department of Decision Sciences, H. Wayne Huizenga College of Business and Entrepreneurship, Nova Southeastern University; and Kimberly M. Deranek, MS, PhD, is Associate Professor, Department of Decision Sciences, H. Wayne Huizenga College of Business and Entrepreneurship, Nova Southeastern University.Sharon C. Siegel, DDS, MS, MBA, is Professor, Department of Prosthodontics, College of Dental Medicine, Nova Southeastern University; Steven B. Kramer, MS, PhD, is Associate Professor, Department of Decision Sciences, H. Wayne Huizenga College of Business and Entrepreneurship, Nova Southeastern University; and Kimberly M. Deranek, MS, PhD, is Associate Professor, Department of Decision Sciences, H. Wayne Huizenga College of Business and Entrepreneurship, Nova Southeastern University.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31010891

Citation

Siegel, Sharon C., et al. "Lean Methods Applied to CAD/CAM Pedagogy in the Dental Simulation Laboratory." Journal of Dental Education, vol. 83, no. 9, 2019, pp. 1081-1091.
Siegel SC, Kramer SB, Deranek KM. Lean Methods Applied to CAD/CAM Pedagogy in the Dental Simulation Laboratory. J Dent Educ. 2019;83(9):1081-1091.
Siegel, S. C., Kramer, S. B., & Deranek, K. M. (2019). Lean Methods Applied to CAD/CAM Pedagogy in the Dental Simulation Laboratory. Journal of Dental Education, 83(9), 1081-1091. https://doi.org/10.21815/JDE.019.100
Siegel SC, Kramer SB, Deranek KM. Lean Methods Applied to CAD/CAM Pedagogy in the Dental Simulation Laboratory. J Dent Educ. 2019;83(9):1081-1091. PubMed PMID: 31010891.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Lean Methods Applied to CAD/CAM Pedagogy in the Dental Simulation Laboratory. AU - Siegel,Sharon C, AU - Kramer,Steven B, AU - Deranek,Kimberly M, Y1 - 2019/04/22/ PY - 2018/07/12/received PY - 2018/12/04/accepted PY - 2019/4/24/pubmed PY - 2019/9/24/medline PY - 2019/4/24/entrez KW - CAD/CAM KW - clinical skills KW - curriculum innovation KW - dental education KW - educational methodology KW - flipped classroom KW - instructional methods KW - lean production methods KW - prosthodontics KW - psychomotor skills SP - 1081 EP - 1091 JF - Journal of dental education JO - J Dent Educ VL - 83 IS - 9 N2 - Dental education is incorporating computer-assisted design/computer-assisted manufacturing (CAD/CAM) into patient care delivery. The aim of this study was to determine if lean production methods applied to the preclinical phase of dental education would reduce the students' time (efficiency) to complete CAD/CAM indirect restorations (CAD/CAM IR) without compromising the desired quality of the CAD/CAM tooth preparations (effectiveness). In 2016, all third-year students at one U.S. dental school were randomly assigned to control and research groups (approximately 33 per group). The control group was taught using existing methods, while the course was redesigned to incorporate lean methods for the research group. Cycle times of the CAD/CAM IR process for both groups were collected and statistically analyzed to compare the effectiveness of the redesign. Standardized grading forms and tools were used to assess the quality of the CAD/CAM tooth preparations. The research group demonstrated significantly faster preparation times with both crowns and onlays (p<0.05) than the control group. The research group also produced CAD/CAM crown and onlay designs at a significantly faster pace than the control group (p<0.05). There was no significant difference between the control and research groups associated with the scanning process times (p>0.05) nor in the quality of the CAD/CAM tooth preparations (p>0.05). This study demonstrated that lean methods applied to pedagogy significantly decreased preparation and design times in a CAD/CAM restorative dentistry course without compromising the quality of the CAD/CAM tooth preparations. SN - 1930-7837 UR - https://www.unboundmedicine.com/medline/citation/31010891/Lean_Methods_Applied_to_CAD/CAM_Pedagogy_in_the_Dental_Simulation_Laboratory_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&amp;sid=nlm:pubmed&amp;issn=0022-0337&amp;date=2019&amp;volume=83&amp;issue=9&amp;spage=1081 DB - PRIME DP - Unbound Medicine ER -