The Effect of Decortication for Periosteal Expansion Osteogenesis Using Shape Memory Alloy Mesh Device

Kensuke Yamauchi; Shinnosuke Nogami; Kenko Tanaka; Sou Yokota; Yoshinaka Shimizu; Hiroyasu Kanetaka; Tetsu Takahashi

doi:10.1111/cid.12250

The Effect of Decortication for Periosteal Expansion Osteogenesis Using Shape Memory Alloy Mesh Device

Kensuke Yamauchi, Shinnosuke Nogami, Kenko Tanaka, Sou Yokota, Yoshinaka Shimizu, Hiroyasu Kanetaka, Tetsu Takahashi

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

Background: In conventional bone grafting technique, decortication procedure enhances the healing process and bone regeneration to reach the grafted site more readily. Purpose: This study evaluates to improve periosteal expansion osteogenesis (PEO) using a shape memory alloy mesh (SMA) device with decortication in a rabbit model. Materials and Methods: The SMA device was inserted under the periosteum at the forehead and pushed, bent, and attached to the bone surface and fixed with a titanium screw. Twelve rabbits were divided into two groups: PEO without decortication (P group) and with decortication (D group). After 2 weeks, the screw was removed, and the mesh was activated by its own elasticity. Rabbits were sacrificed 5 (P1/D1) and 8 (P2/D2) weeks after operation and histologically and radiographically evaluated. Results: The mean activation height was 2.9±0.5mm. The ratio of new bone volume in the elevated volume was 17.6% in P1, 59.8% in D1 33.4% in P2, and 65.1% in D2. D group had a statistically higher volume of new bone than P group during each period (p<.05). Conclusion: PEO with decortication appears to be a promising clinical alternative for bone augmentation and introduces the new concept of "dynamic graft and guided bone regeneration (GBR)."

Original language	English
Pages (from-to)	e376-e384
Journal	Clinical Implant Dentistry and Related Research
Volume	17
DOIs	https://doi.org/10.1111/cid.12250
Publication status	Published - 2015 Oct

Keywords

Decortication
Distraction osteogenesis
Implant
Ni-Ti
Periosteum
Shape memory alloy

ASJC Scopus subject areas

Oral Surgery
Dentistry(all)

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10.1111/cid.12250

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Yamauchi, K., Nogami, S., Tanaka, K., Yokota, S., Shimizu, Y., Kanetaka, H., & Takahashi, T. (2015). The Effect of Decortication for Periosteal Expansion Osteogenesis Using Shape Memory Alloy Mesh Device. Clinical Implant Dentistry and Related Research, 17, e376-e384. https://doi.org/10.1111/cid.12250

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abstract = "Background: In conventional bone grafting technique, decortication procedure enhances the healing process and bone regeneration to reach the grafted site more readily. Purpose: This study evaluates to improve periosteal expansion osteogenesis (PEO) using a shape memory alloy mesh (SMA) device with decortication in a rabbit model. Materials and Methods: The SMA device was inserted under the periosteum at the forehead and pushed, bent, and attached to the bone surface and fixed with a titanium screw. Twelve rabbits were divided into two groups: PEO without decortication (P group) and with decortication (D group). After 2 weeks, the screw was removed, and the mesh was activated by its own elasticity. Rabbits were sacrificed 5 (P1/D1) and 8 (P2/D2) weeks after operation and histologically and radiographically evaluated. Results: The mean activation height was 2.9±0.5mm. The ratio of new bone volume in the elevated volume was 17.6% in P1, 59.8% in D1 33.4% in P2, and 65.1% in D2. D group had a statistically higher volume of new bone than P group during each period (p<.05). Conclusion: PEO with decortication appears to be a promising clinical alternative for bone augmentation and introduces the new concept of {"}dynamic graft and guided bone regeneration (GBR).{"}",

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author = "Kensuke Yamauchi and Shinnosuke Nogami and Kenko Tanaka and Sou Yokota and Yoshinaka Shimizu and Hiroyasu Kanetaka and Tetsu Takahashi",

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AU - Nogami, Shinnosuke

AU - Tanaka, Kenko

AU - Yokota, Sou

AU - Shimizu, Yoshinaka

AU - Kanetaka, Hiroyasu

AU - Takahashi, Tetsu

PY - 2015/10

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N2 - Background: In conventional bone grafting technique, decortication procedure enhances the healing process and bone regeneration to reach the grafted site more readily. Purpose: This study evaluates to improve periosteal expansion osteogenesis (PEO) using a shape memory alloy mesh (SMA) device with decortication in a rabbit model. Materials and Methods: The SMA device was inserted under the periosteum at the forehead and pushed, bent, and attached to the bone surface and fixed with a titanium screw. Twelve rabbits were divided into two groups: PEO without decortication (P group) and with decortication (D group). After 2 weeks, the screw was removed, and the mesh was activated by its own elasticity. Rabbits were sacrificed 5 (P1/D1) and 8 (P2/D2) weeks after operation and histologically and radiographically evaluated. Results: The mean activation height was 2.9±0.5mm. The ratio of new bone volume in the elevated volume was 17.6% in P1, 59.8% in D1 33.4% in P2, and 65.1% in D2. D group had a statistically higher volume of new bone than P group during each period (p<.05). Conclusion: PEO with decortication appears to be a promising clinical alternative for bone augmentation and introduces the new concept of "dynamic graft and guided bone regeneration (GBR)."

AB - Background: In conventional bone grafting technique, decortication procedure enhances the healing process and bone regeneration to reach the grafted site more readily. Purpose: This study evaluates to improve periosteal expansion osteogenesis (PEO) using a shape memory alloy mesh (SMA) device with decortication in a rabbit model. Materials and Methods: The SMA device was inserted under the periosteum at the forehead and pushed, bent, and attached to the bone surface and fixed with a titanium screw. Twelve rabbits were divided into two groups: PEO without decortication (P group) and with decortication (D group). After 2 weeks, the screw was removed, and the mesh was activated by its own elasticity. Rabbits were sacrificed 5 (P1/D1) and 8 (P2/D2) weeks after operation and histologically and radiographically evaluated. Results: The mean activation height was 2.9±0.5mm. The ratio of new bone volume in the elevated volume was 17.6% in P1, 59.8% in D1 33.4% in P2, and 65.1% in D2. D group had a statistically higher volume of new bone than P group during each period (p<.05). Conclusion: PEO with decortication appears to be a promising clinical alternative for bone augmentation and introduces the new concept of "dynamic graft and guided bone regeneration (GBR)."

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KW - Periosteum

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