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Pilot study assessing 3D-printed teeth as a caries removal teaching tool.

Ambika Sinha1, Cecilie Osnes1, Andrew J Keeling2

  • 1Royal London Hospital, Barts Health NHS Trust, London, UK.

European Journal of Dental Education : Official Journal of the Association for Dental Education in Europe
|July 5, 2021
PubMed
Summary

3D-printed teeth offer a tactile learning experience for dental students, improving caries removal skills and reducing preclinical anxiety. This novel method better prepares students for patient treatment compared to traditional plastic teeth.

Keywords:
3D printed teethcaries removaldental teaching methoddental trainingundergraduate teaching

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Area of Science:

  • Dental Education
  • Biomaterials Engineering
  • Restorative Dentistry

Background:

  • Current dental caries removal teaching in UK universities uses plastic teeth, lacking tactile feedback for distinguishing tooth layers and caries.
  • This limitation hinders students' ability to develop essential tactile skills for effective caries management.

Purpose of the Study:

  • To assess the applicability and effectiveness of novel, 3D-printed carious teeth in preclinical dental education.
  • To evaluate student acceptance and perceived impact on confidence and anxiety levels in caries removal procedures.

Main Methods:

  • Development of single-material 3D-printed teeth with simulated tactile caries.
  • 14 final-year undergraduates practiced caries removal, focusing on minimizing damage to healthy tissue.
  • Student feedback questionnaires, cavity preparation perimeter measurements, and heat map analysis were employed.

Main Results:

  • 71.4% of students agreed 3D-printed teeth would better prepare them for patient treatment.
  • 57.1% believed using 3D-printed teeth would reduce their stress/anxiety when treating their first caries patient.
  • Cavity preparation analysis showed variation, indicating diverse student approaches to caries removal.

Conclusions:

  • 3D-printed teeth are positively received by students as an alternative caries removal teaching method.
  • This approach offers potential for earlier development of clinically relevant tactile skills in caries treatment.
  • Incorporating 3D-printed teeth can enhance student aptitude and confidence in managing dental caries.