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   Offical Journal of The Academy of Osseointegration

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Volume 39 , Issue 2
March/April 2019

Pages 259264

Bone-Forming Effect of a Static Magnetic Field in Rabbit Femurs

Yoshihito Naito, DDS, PhD/Shuntaro Yamada, DDS/Yohei Jinno, DDS, PhD/Kazuo Arai, BS/Silvia Galli, DDS/Tetsuo Ichikawa, DDS, PhD/Ryo Jimbo, DDS, PhD

PMID: 30794262
DOI: 10.11607/prd.3220

This study investigated the level of magnetic energy around implants possessing a static magnetic field (SMF) and assessed the in vivo influence of SMF on bone regeneration. Implants possessing a sintered neodymium magnet internally were placed in a rabbit femur. An implant without SMF was placed as control. After 12 weeks of healing in vivo, the bone samples were subjected to histologic/histomorphometric evaluation. The bone-to-implant contact for the test group and the control group were 32.4 13.6% and 17.1 4.5%, respectively, and the differences were statistically significant (P < .05). The results suggested that the SMF promoted new bone apposition.

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