Measurement of the fluorescence of restorative dental materials using a 655-nm diode laser

Fatima A. A. Zanin; Dilma Helena Souza-Campos; Sissi Zanin; Aldo Brugnera; Jesus Djalma Pecora; Antonio Luiz Barbosa Pinheiro; Sonia Harari

doi:10.1117/12.424492

27 April 2001 Measurement of the fluorescence of restorative dental materials using a 655-nm diode laser

Fatima A. A. Zanin; Dilma Helena Souza-Campos; Sissi Zanin; Aldo Brugnera; Jesus Djalma Pecora; Antonio Luiz Barbosa Pinheiro; Sonia Harari;

Author Affiliations +

Proceedings Volume 4249, Lasers in Dentistry VII; (2001) https://doi.org/10.1117/12.424492
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States

Abstract

The aim of this study was to determine the level of fluorescence of seven restorative materials using 655 nm diode laser. The laser fluorescence system has ben used as an auxiliary method for the detection of carious lesions. This new diagnostic method increases information which are important for the choice of treatment by the Dentist. The characteristic of restorative materials and sealers interferes in the values obtained by the apparatus during the detection of secondary carious lesions. The optical properties of each biological tissue or material are related to the interaction with the laser beam. Aware of that, the fluorescence of healthy dentin and enamel is 0-15, the authors determined the fluorescence of seven restorative materials with 10 teeth in each group. The laser reading scale differed according to the materia, ranging from 1 to 22 with several materials, for example the sealer without inorganic filler and the glass ionomer, showing fluorescence values similar to carious enamel which interferes with the readings around the restorations resulting in a false positive. Knowledge of restoration material fluorescence can aid in the detection of secondary carious lesions around the restorations.

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Fatima A. A. Zanin, Dilma Helena Souza-Campos, Sissi Zanin, Aldo Brugnera, Jesus Djalma Pecora, Antonio Luiz Barbosa Pinheiro, Sonia Harari, "Measurement of the fluorescence of restorative dental materials using a 655-nm diode laser", Proc. SPIE 4249, Lasers in Dentistry VII, (27 April 2001); doi: 10.1117/12.424492; https://doi.org/10.1117/12.424492

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