Abstract
Aim This pilot study evaluated a novel method of teaching dental caries removal to overcome the drawbacks in using plastic teeth that neither simulate carious lesions nor emulate the hard tissues of the tooth.
Methods This study evaluated the students' perception of a novel method of pre-clinical teaching of caries removal on 3D-printed teeth with a simulated carious lesion. The lesion was simulated by creating an area of low density within the printed tooth. The study also examined the variation in location and extent of cavity preparation by the participants using a heat map analysis. Students who were in their final year of graduation, in the same university of the researchers, prepared cavities on the 3D-printed teeth and answered a questionnaire on their perceived readiness for clinical practice with conventional teaching versus the 3D-printed teeth.
Results Among the 14 participants, a majority stated that they had high levels of anxiety when treating their first carious lesion and that the 3D-printed teeth would have better prepared them to treat patients. More than half indicated that the 3D-printed teeth had a better haptic simulation of caries removal and would have reduced their stress/anxiety when treating their first caries patient. There was a wide variation in the perimeter and the surface area of the cavity preparations by the participants.
Conclusion Teaching caries removal with 3D-printed teeth that emulate a carious lesion could help students gain confidence and make them feel better prepared to treat patients in clinics.
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Change history
25 March 2022
A Correction to this paper has been published: https://doi.org/10.1038/s41432-022-0234-2
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Chaudhari, P., Dhillon, H., Dhingra, K. et al. 3D printing for fostering better dental education. Evid Based Dent 22, 154–155 (2021). https://doi.org/10.1038/s41432-021-0217-8
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DOI: https://doi.org/10.1038/s41432-021-0217-8