Calvarial bone wound healing: a comparison between carbide and diamond drills, Er:YAG and Femtosecond lasers with or without BMP-7

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Martin CloutierDayne Miller

Abstract

This study compared the healing of 2 laser ablation units, erbium YAG and femtosecond lasers versus conventional mechanical cutting with carbide and diamond drills to explore future applications for bone surgery. The effects of laser or mechanical ablation combined with rhBMP-7 were also investigated. Following defect standardization, a full-thickness circular defect was created on the parietal bones of 160 mice divided into 4 groups: carbide drill, diamond drill, erbium YAG laser, and femtosecond laser. Each of the 4 ablation groups was treated with and without BMP 7. Hard tissue healing was assessed using microcomputerized tomography at 3 and 12 weeks postsurgical time points. The femtosecond laser created wounds that showed slightly delayed bone healing during the observation period when compared with mechanical drilling, although the difference was not statistically significant. The Er:YAG laser showed a healing rate similar to that of the mechanically ablated groups. When BMP 7 was added to the surgical sites, bone wound closure occurred at a similar rate in all test groups. The femtosecond and Er:YAG lasers are 2 laser modalities suitable for bone ablation that are comparable to mechanical instrumentation in terms of bone...Continue Reading

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Citations

Apr 14, 2015·Periodontology 2000·Akira AokiYuichi Izumi
Nov 28, 2012·Lasers in Surgery and Medicine·David D LoDerrick C Wan
Nov 2, 2014·Biomedical Optics Express·Raphaël TurcotteCharles P Lin
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Jun 28, 2016·Journal of Medical Engineering & Technology·G D Rajitha GunaratneCharlie Ironside
Jan 28, 2021·Journal of Clinical Medicine·Matthias UreelAndreas A Mueller

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