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Related Experiment Video

Updated: Mar 7, 2026

Application of Light-cured Dental Adhesive Resin for Mounting Electrodes or Microdialysis Probes in Chronic Experiments
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Light curing procedures - performance, knowledge level and safety awareness among dentists.

S E Kopperud1, H V Rukke1, H M Kopperud1

  • 1Nordic Institute of Dental Materials (NIOM), Norway.

Journal of Dentistry
|February 10, 2017
PubMed
Summary

Norwegian dentists show significant variations in light curing practices and safety awareness. Many lack knowledge of curing light technical features and use inadequate eye protection, highlighting a need for improved training.

Keywords:
Dental curing lightsDental restorationMaximum permissible exposure timeResin compositeVisible light

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Area of Science:

  • Dental materials science
  • Occupational health in dentistry
  • Clinical dentistry

Background:

  • Dentists routinely use curing lights for dental restorations.
  • Understanding dentists' knowledge and practices regarding curing light use is crucial for patient and operator safety.

Purpose of the Study:

  • To assess dentists' exposure to curing light.
  • To evaluate dentists' knowledge of curing light technical features and practical use.
  • To determine dentists' safety awareness concerning curing light operation.

Main Methods:

  • A questionnaire was electronically distributed to 1313 dentists in the Public Dental Service (PDS) in Norway.
  • The survey collected data on curing light usage, knowledge of technical specifications, and safety practices.
  • Response rate was 55.8%.

Main Results:

  • Dentists spent substantial time placing restorations, with significant variation in daily procedure numbers and curing times.
  • Mean curing times for lower irradiance lamps approached levels exceeding blue light safety guidelines.
  • Nearly one-third of dentists used inadequate eye protection, with younger dentists showing better protection rates. A majority were unaware of their curing light's irradiance.
  • Inadequate eye protection and lack of awareness regarding irradiance were more prevalent among dentists who did not perform regular curing light maintenance.

Conclusions:

  • Considerable variability exists among Norwegian PDS dentists in light curing performance, safety awareness, and technical knowledge.
  • Identified knowledge gaps regarding curing lights and personal protective equipment underscore the need for enhanced operator education.
  • The study emphasizes the importance of dentists possessing essential technical knowledge for the safe use of modern dental technologies.