Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association
Enhanced mechanical properties of a novel unsintered hydroxyapatite/poly l-lactic acid (u-HA/PLLA) screw with a reverse buttress thread design.
Takuya Wakatsuki, Shinji Imade, Satoshi Furuya, Hiroshi Morii, Daishiro Oka, Koichiro Nakazawa, Kazuma Shiraishi, Takuya Manako, Masaya Sato, Yuji Uchio
Published: 202510.1016/j.jos.2025.08.013
Abstract
BACKGROUND: Although bioabsorbable screws offer various advantages, they also have the clinical drawback of low inherent strength. We developed a novel u-HA/PLLA screw with an innovative shape that maintains the screw function while increasing its st…
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