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Training and experience effect on light-curing efficiency by dental practitioners.

Abdulhaq Abdulmajeed Suliman1, Ahmad Ali Abdo1, Hussein Abdulsalam Elmasmari1

  • 1Restorative Dentistry Department, College of Dentistry, Ajman University, Ajman, UAE.

Journal of Dental Education
|February 18, 2020
PubMed
Summary

Dental students and dentists significantly improved composite resin light-curing energy delivery after training. A training session enhanced performance more than experience, highlighting the importance of proper light-curing technique.

Keywords:
cuing lightsdental educationlight-curingresin restorationrestorative dentistry

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Area of Science:

  • Dental Materials Science
  • Clinical Dentistry
  • Biomaterials Engineering

Background:

  • Effective light-curing is essential for composite resin restoration success.
  • Adequate polymerization relies on sufficient light energy delivery.
  • Many clinicians neglect proper light-curing techniques.

Purpose of the Study:

  • To quantify light energy delivered by dental students and interns.
  • To assess the impact of experience and training on light-curing efficacy.
  • To evaluate the effectiveness of a patient simulator in improving technique.

Main Methods:

  • 50 preclinical students and 50 interns used a patient simulator to light-cure simulated restorations.
  • Irradiance and energy were measured before and after individualized training.
  • Statistical analysis included two-way ANOVA and Tukey's test.

Main Results:

  • Participants delivered 60% more energy post-training (P < 0.05).
  • Failure to meet minimum energy requirements (6 J/cm²) dropped from 37.5% to 2.5%.
  • Significant differences in energy delivery existed between preclinical and internship groups (P < 0.05).

Conclusions:

  • Many participants initially demonstrated suboptimal light-curing practices.
  • Training and simulator use significantly improved light-curing technique.
  • Training offers greater performance enhancement than experience alone.