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This study was conducted to evaluate the healing of critical-size surgical defects after implantation of porous nano-hydroxyapatite/polyamide composite (nHA/PA) blocks based on a bilateral mandible model using adult New Zealand white rabbits. 15 rabbits were divided randomly into three groups according to the observation period: 4, 12 and 24 weeks. The(More)
The objective of this study was to investigate the mechanical properties of a low-shrinkage acrylate liquid crystalline resin matrix (ALCRM), (4-3-(acryloyloxy)-2-hydroxypropoxy) phenyl 4-(3-(acryloyloxy)-2-hydroxypropoxy) benzoate, combined with nano-hydroxyapatite (na-HA). The ALCRM monomer and diluent monomer triethylene glycol dimethacrylate (TEGDMA)(More)
The conventional passively underactuated hand can self-adaptively grasp an object under the reaction force produced by other active joints or the grasped objects, but it may reject the object if the force disappears, and cannot grasp independently. In order to overcome this serious disadvantage, a novel kind design of the passively self-adaptive(More)
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