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Home Temperature changes caused by light curing units on dentine of primary teeth

Temperature changes caused by light curing units on dentine of primary teeth

Authors:

  • A. Melara Mungua
    Department of Paediatric Dentistry, Universitat Internacional de Catalunya, Barcelona, Spain
  • M. Arregui Gambs
    Department of Paediatric Dentistry, Universitat Internacional de Catalunya, Barcelona, Spain
  • F. Guinot Jimeno
    Department of Paediatric Dentistry, Universitat Internacional de Catalunya, Barcelona, Spain
  • L. J. Bellet Dalmau
    Department of Paediatric Dentistry, Universitat Internacional de Catalunya, Barcelona, Spain

ABSTRACT


Aim

This was to determine the temperature changes produced in dentine discs of primary teeth placed below a
glass ionomer, microhybrid flow resin or microhybrid resin during the photocuring process with conventional halogen
lamps and LEDs at different distances. Study design: Experimental design.

Methods

This in vitro study
was carried out in the research laboratory of the Universitat International de Catalunya. We cut 1 mm thick dentine discs with
the IsoMet 1000 cutting machine. Thereafter, we cut stainless steel rings of different heights. Subsequently, to facilitate the
temperature measurement, we prepared silicone moulds, in which the dentine disc, stainless steel ring and the digital
thermometer/ thermocouple were positioned. Once the silicone mould was finished, a 2 mm thick layer of the restorative
material was placed on the dentine disc. Finally, the polymerisation process was conducted according to the times
recommended by the manufacturers, and the temperature produced was recorded at the end of the procedure. Statistical
evaluation: Replies were analyzed using the STATGRAPHICS Plus Version 5.0 statistics software system, in order to obtain
comparative diagrams and graphs using the ANOVA multifactorial system.

Results

The photocuring lamps used on the
restorative materials produced statistically significant differences in temperature, with p = 0.00001.

Conclusion

Halogen
lamps cause a greater temprature rise in materials than LEDs lamps, and the greatest rise is produced when microhybrid flow
resin is photocured with the Optilux 501 halogen lamp.

PLUMX METRICS

Publication date:

Mar /2011

Keywords:

halogen light, led, polymerization, primary teeth, temperature

Issue:

Vol.12 – n.1/2011

Page:

7 – 12

Publisher:

Ariesdue

Cite:


Harvard: A. Melara Mungua, M. Arregui Gambs, F. Guinot Jimeno, L. J. Bellet Dalmau (2011) "Temperature changes caused by light curing units on dentine of primary teeth", European Journal of Paediatric Dentistry, 12(1), pp7-12. doi:
Vancouver: A. Melara Mungua, M. Arregui Gambs, F. Guinot Jimeno, L. J. Bellet Dalmau. Temperature changes caused by light curing units on dentine of primary teeth. European Journal of Paediatric Dentistry [Internet]. 2011Mar.1 [cited 2023Mar.25];12(1):7-12. Available from: https://www.ejpd.eu/abstract-pubmed/temperature-changes-caused-by-light-curing-units-on-dentine-of-primary-teeth/
MLA: A. Melara Mungua, M. Arregui Gambs, F. Guinot Jimeno, L. J. Bellet Dalmau Temperature changes caused by light curing units on dentine of primary teeth. European Journal of Paediatric Dentistry. 2011;12(1):7-12

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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