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Comparison on User Convenience and Satisfaction with Two Types of CAD Software for Dental Implant used by Experienced and Untrained Practitioners.


Authors:

Seong-Min Kim, BChD, DDS – Resident at prosthodontics, Kyungpook National University Dental Hospital

Abstract:

Purpose of the Study: This study aimed to assess the user convenience and satisfaction with two kinds of CAD software used by practitioners who had ever been or not been used CAD software for dental implant.

Methods: Twenty dental technicians who were experienced to use CAD software for dental implant and twelve students who had never been used the CAD software were allowed to design implant custom abutments by using two kinds of CAD software (ExoCad and 3DSystem). They were asked to answer the structured questionnaire (Step 1: Bringing basic information and files, Step 2: Setting the condition before designing abutments, Step 3: Setting abutment design, and Step 4: Overall satisfaction). Mann-Whitney U test was used for statistical analysis for collected data (α = 0.05).

Results: The results obtained from total 21 questions categorized into 4 steps to assess convenience and satisfaction with CAD software for implant design were as below. 1. Bringing basic information and files (4 questions) Experienced practitioners presented significant difference in ‘UI design including display composition and menu is convenient to use’ and ‘UI design of the software is sophisticated’ whereas inexperienced practitioners presented that in ‘UI design including display composition and menu is convenient to use’. In this step, the satisfaction with ExoCAD was significantly high in both groups. 2. Setting the condition before designing abutments (8 questions) Experienced practitioners presented significance in ‘Correcting margin line is easy’; however, no significant difference was found in all other questions from both groups. In this step, experienced practitioners and inexperienced practitioners highly appreciated 3DSystem and ExoCad, respectively. 3. Setting abutment design (8 questions) Experienced practitioners presented significance in ‘Adjusting the upper abutment to desiring size and shape is easy’ and ‘Setting function for upper and lower abutment is various’; however, no significant difference was found in all other questions from both groups. Nevertheless, experienced practitioners highly appreciated 3DSystem with significance in this step. 4. Overall satisfaction (1 question) Both the two groups highly appreciated ExoCad software.

Conclusion: ExoCad software was highly appreciated in overall from the assessment of convenience and satisfaction with two kinds of CAD software for dental implant. However, experienced practitioners highly appreciated 3DSystem in step 2 and 3 that are the core of the designing process. Hence, 3DSystem CAD software with improvement in other parts can be widely used in clinic.

Articles: Liqiong Deng, Douglas E. Turner, Robert Gehling and Brad Prince. User experience, satisfaction, and continual usage intention of IT, Eur J Inf Syst 2010;19:60–75 D. J. Fasbinder, Computerized technology for restorative dentistry, Am J Dent 2013;26:115–20 Ji-Hyun Park, Jong-Eun Kim, June-Sung Shim, Digital workflow for a dental prosthesis that considers lateral mandibular relation, J Prosthet Dent 2017;117:340-4

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