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Erb:YAG and Hol:YAG Laser Osteotomy: The Effect of Laser Ablation on Bone Healing by Martin Buchelt; Hans‐Paul Kutschera; Thomas Katterschafka; Harald Kiss; Susanne Lang; Rudolf Beer; Udo Losert is a Medicine article available to read on EtoBox.

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Sixty-nine male Sprague Dawley rats were divided into three groups of 23 animals each and osteotomies were performed in group 1 with a power saw, in group 2 with the Erb:Yag laser, and in group 3 with the Ho1:YAG laser. Two animals of each group were sacrificed 1 week, 4, 8, and 12 weeks after operation for histologic investigation, and five animals of each group at 4, 8, and 12 weeks after osteotomy for torque testing. Anterior-posterior (AP) radiographs were taken at the same time points and investigated for callus formation and development of pseudoarthrosis. All tibiae osteotomied with the Ho1:YAG laser (group 3) developed pseudoarthrosis within 12 weeks and, therefore, torque testing could not be performed for this group. Biomechanical measurements of bone treated by power saw or Erb:YAG laser osteotomies, respectively, showed no significant statistical difference in the stability of bone between the two groups. Histologic examination after 1 week exhibited fibrous tissue at the site of osteotomy in rats of all three groups and additionally carbonization in rats of group 3. Saw osteotomies resulted in more callus formation than Erb:YAG osteotomies, but both techniques provoked

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Author

Martin Buchelt; Hans‐Paul Kutschera; Thomas Katterschafka; Harald Kiss; Susanne Lang; Rudolf Beer; Udo Losert

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0196-8092)

Published

1994

Language

EN

Field

Medicine (Health Sciences)