Er:YAG laser ablation: 5-year recall

Tatjana Dostalova M.D.; Helena Jelinkova; Hana Kucerova M.D.; Mitsunobu Miyagi

doi:10.1117/12.427845

1 June 2001 Er:YAG laser ablation: 5-year recall

Tatjana Dostalova M.D., Helena Jelinkova, Hana Kucerova M.D., Mitsunobu Miyagi

Proceedings Volume 4247, Thermal Treatment of Tissue: Energy Delivery and Assessment; (2001) https://doi.org/10.1117/12.427845
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States

Abstract

Pulsed Er:YAG laser removal of dentin and enamel tissue is effective. One of the dangers of this laser ablation is tooth overheating by the laser energy combined with heat related changes in pulp and side effects around the cavity margins. The purpose of present study was to determine the effect of the Er:YAG laser ablation in treating dental caries after a period of 5 years. During dry laser ablation, the temperature in the pulp chamber rose, and there is insufficient time for the tooth structures to dissipate the heat between the pulses. The addition ofwater mist during irradiation can speed up ablation of enamel and dentin. Water mist cools the surface sufficiently to prevent undesirable physical changes. From our results it follows that Er:YAG laser ablation is an excellent method for treating of frontal teeth - incisors, canines, premolars and initial occiusal caries of molars. However visual control of non-contact therapy is necessary. Compound, intricate cavity shape close to pulp cavity can not be prepared with laser radiation. Therefore the working time is much longer in comparison with the classical drilling machine. Low tooth sensitivity to laser ablation, preparation without unpleasant noise and vibration create a new technique, which is very successful for small and medium caries.

Citation Download Citation

Tatjana Dostalova M.D., Helena Jelinkova, Hana Kucerova M.D., and Mitsunobu Miyagi "Er:YAG laser ablation: 5-year recall", Proc. SPIE 4247, Thermal Treatment of Tissue: Energy Delivery and Assessment, (1 June 2001); https://doi.org/10.1117/12.427845

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