Histomorphometric assessment of the influence of low-level laser therapy on peri-implant tissue healing in the rabbit mandible

Photomedicine and Laser Surgery
Fabrício Poletto MassottiEdela Puricelli

Abstract

The purpose of this study was to demonstrate the effect of low-level laser therapy (LLLT) on the peri-implant bone healing process in the rabbit mandible. LLLT has been shown to accelerate tissue repair and osseointegration of implants placed into the rabbit tibia. However, the beneficial effects of LLLT have never been tested in the rabbit mandible, which would more closely mimic the human situation. Twenty-four male New Zealand rabbits were randomly divided into four groups of six animals each. All animals had their left mandibular incisors extracted, followed by immediate insertion of a titanium dental implant in the fresh socket. Three groups received LLLT [aluminum-gallium-arsenide (AlGaAs), λ=830nm, 50 mW, continuous wave (CW)] at three different energy densities per treatment session (E-5, 5 J/cm(2); E-10, 10 J/cm(2); and E-20, 20 J/cm(2)). Irradiation was performed every 48 h for 13 days, totaling seven sessions. One group received sham treatment (controls). Histological sections were obtained from each of the 24 mandibles dissected, without first decalcifying the specimens, and were stained with hematoxylin and eosin and Picrosirius red for histomorphometric evaluation. Bone-to-implant contact (BIC), bone formation are...Continue Reading

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Citations

Mar 12, 2016·Lasers in Medical Science·Mohammed A HadisWilliam M Palin
Jul 26, 2017·Photomedicine and Laser Surgery·Randa ZeinStefano Benedicenti
Nov 14, 2018·Photomedicine and Laser Surgery·Marleny Elizabeth Marquez de Martinez GerbiAntonio Luiz Barbosa Pinheiro
Nov 26, 2019·Photobiomodulation, Photomedicine, and Laser Surgery·Leila GholamiReza Fekrazad
Jul 16, 2020·Photobiomodulation, Photomedicine, and Laser Surgery·Vinícius Salim SilveiraJoão Batista Blessmann Weber
Apr 22, 2017·Lasers in Medical Science·Alexandre Greca DiamantinoAna Maria do Espírito Santo
Dec 15, 2018·Journal of Biomedical Optics·Randa ZeinMichael R Hamblin

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