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Proceedings Paper

Pulpal reaction in dogs following cavity preparation by Er:YAG laser
Author(s): Y. Sekine; Arata Ebihara; A. Takeda; H. Suda
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Paper Abstract

A histopathological study was performed on the tooth pulp of mongrel dogs after cavity preparation using the conventional high speed method (control group) and the newly developed Er:YAG laser system (laser group, output energy: 100 mJ, 150 mJ, and 200 mJ/pulse). All samples were divided into two groups (deep cavity and shallow cavity) according to the remaining dentin thickness (RDT) and histopathologically evaluated. After 1, 2, 4, 7 and 28 days postoperatively, there was no histopathological difference between the control group and the laser group. Er:YAG laser irradiation with three different output energies made little difference in the degree of pulpal damage. In the deep cavities, damage of the pulp was more remarkable than the shallow cavities in all groups. The efficacy of cutting rate in the laser group was not very different from the control group.

Paper Details

Date Published: 17 April 1995
PDF: 9 pages
Proc. SPIE 1984, Advanced Laser Dentistry, (17 April 1995); doi: 10.1117/12.207022
Show Author Affiliations
Y. Sekine, Tokyo Medical and Dental Univ. (Japan)
Arata Ebihara, Tokyo Medical and Dental Univ. (Japan)
A. Takeda, Tokyo Medical and Dental Univ. (Japan)
H. Suda, Tokyo Medical and Dental Univ. (Japan)


Published in SPIE Proceedings Vol. 1984:
Advanced Laser Dentistry

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