Preliminary study on the osseointegration effects of contactless automated implant cavity preparation via femtosecond laser ablation
BIOMEDICAL OPTICS EXPRESS(2022)
摘要
Microrobots were used to control the femtosecond laser ablation of bone tissues to prepare implant cavities for dental implant surgery. The method was optimized through depth-of-cut experiments of ex vivo rabbit femurs, and the optimized method was used to prepare implant cavities on the left femurs of eight live rabbits. A power of 10 W and a scanning rate of 4000 mm/s were found to be optimal. After seven days of osteoinduction, the expression of collagen type I was significantly higher in the experimental group than in the control group (manually drilled implant cavities). The bone-implant contacts of the experimental group at 4 and 8 weeks were 9.65% and 23.08%, respectively. (c) 2021 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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关键词
implant cavity preparation,osseointegration effects,laser
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