Evaluation of Er:YAG laser radiation cavity preparation under transmitted and polarized light and by electron microanalyser

Tatjana Dostalova M.D.; Otakar Krejsa M.D.; Kveta Rokytova; Helena Jelinkova; Karel Hamal

doi:10.1117/12.166187

31 December 1993 Evaluation of Er:YAG laser radiation cavity preparation under transmitted and polarized light and by electron microanalyser

Tatjana Dostalova M.D., Otakar Krejsa M.D., Kveta Rokytova, Helena Jelinkova, Karel Hamal

Author Affiliations +

Proceedings Volume 2080, Dental Applications of Lasers; (1993) https://doi.org/10.1117/12.166187
Event: Europto Biomedical Optics '93, 1993, Budapest, Hungary

Abstract

The results of evaluation of Er:YAG radiation cavity preparation under transmitted and polarized light and by the electron microanalyzer are presented. We examined the longitudinal sections of intact teeth, teeth with early dental caries, teeth with laser preparation in enamel and teeth with Er:YAG laser preparation in enamel and dentine class I and V. We examined intact teeth and laser prepared teeth for the variation of mineralization. Phosphorus and calcium were regularly distributed. The margins of cavities had no necrosis zones. The defects of mineralization in caries depend on demineralization of hard tissues. In the structures was irregular loss of calcium and phosphorus. Thus, Er:YAG laser irradiation with water cooling has been found to be a non-invasive preparation technique.

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Tatjana Dostalova M.D., Otakar Krejsa M.D., Kveta Rokytova, Helena Jelinkova, and Karel Hamal "Evaluation of Er:YAG laser radiation cavity preparation under transmitted and polarized light and by electron microanalyser", Proc. SPIE 2080, Dental Applications of Lasers, (31 December 1993); https://doi.org/10.1117/12.166187

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