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Related Experiment Video

Updated: Jan 27, 2026

Step By Step: Microsurgical training method combining two nonliving animal models
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Step-by-step teaching method improves the learner achievement in dental skill training.

Xiaoqiang Liu1, Mingyue Liu2, Yang Yang1

  • 1Department of Prosthodontics, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China.

European Journal of Dental Education : Official Journal of the Association for Dental Education in Europe
|March 21, 2019
PubMed
Summary

The step-by-step dental teaching method significantly improved crown preparation skills compared to the all-in-one approach. This structured training enhances learner achievement in dental skill acquisition.

Keywords:
dental educationstep-by-stepteaching methodstooth preparation

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Area of Science:

  • Dental Education
  • Surgical Skills Training

Background:

  • Assessing and comparing teaching methodologies is crucial for effective dental skill development.
  • Traditional and modern pedagogical approaches require rigorous evaluation to optimize training outcomes.

Purpose of the Study:

  • To compare the efficacy of all-in-one versus step-by-step teaching methods in dental skill training.
  • To evaluate the impact of different training structures on the quality of crown preparation.

Main Methods:

  • A prospective, double-blind, randomized controlled trial involving 40 first-year dental residents.
  • Participants were divided into an all-in-one group (n=20) and a step-by-step group (n=20) for crown preparation training.
  • Outcomes were assessed using learner, expert, and digital evaluations.

Main Results:

  • The step-by-step group demonstrated significantly higher scores in learner (8.10 ± 1.41 vs. 6.15 ± 1.98), expert (8.40 ± 1.10 vs. 7.00 ± 1.75), and digital (7.62 ± 0.51 vs. 6.43 ± 1.20) assessments (P < 0.05).
  • Crown preparation quality was markedly superior in the step-by-step training cohort.
  • All evaluation indices showed statistically significant differences favoring the step-by-step method.

Conclusions:

  • The step-by-step teaching methodology enhances dental skill acquisition.
  • This structured approach leads to improved learner achievement in practical dental procedures.
  • Step-by-step training is recommended for optimizing dental resident education.