Journal
BMC MEDICAL EDUCATION
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12909-021-02894-3
Keywords
Education; Professional; Perception; Dental Impression Technique; Digital Technology; Education; Dental; Graduate; Graduate; Continuing
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This study investigates dental students' preferences and perceptions of intraoral scanning and impression making. Results show that while intraoral scanning is perceived to have advantages, many students still prefer impression making that is more efficient to them.
Background To investigate the preference and perception on intraoral scanning and impression making among dental students. Methods Final-year dental students from the 2019 and 2020 cohorts were invited to complete an online questionnaire via Google-Form. Their preference on the intraoral-scanning/impression making techniques and their perception on these techniques including the ease of defect identification, ease of infection control, need of chairside support, ease to master the technique as a beginner, efficiency in their hands and ease to handle the scanner software (yes/no) were collected. The results were analysed using McNemar tests and binary logistic regression test. All tests were performed at significance level alpha = 0.05. Results Ninety-seven students participated in this study with a response rate of 96.0 %. Eighty-one students (83.5 %) have tried intraoral scanning on peers. Fifty-three (54.6 %) students preferred intraoral-scanning and were categorized as Pro-scanning group. Forty-four (45.4 %) students either preferred impression-making (n = 21) or not sure (n = 23) were categorized as Others. More than half of students in both groups felt that intraoral-scanning is easier to identify defect, easier in infection control and require less chairside support. Higher proportion of students in the Pro-scanning group felt that intraoral-scanning requires less chairside support, easier to master as a beginner, more efficient in their hands and they can deal well with the scanner software than that in Others (P < 0.05). Regression shown that students preferred a technique that they perceived is more efficient (P = 0.000). Conclusions While intraoral scanning has perceived advantages, many students still prefer impression making that works more efficient to them.
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