What does this research mean for the field?

A 3D-printed polycaprolactone (PCL)/β-tricalcium phosphate (β-TCP) composite scaffold functionalized with 2% zinc oxide (ZnO) significantly enhances osteogenic differentiation and achieves approximately 95% new bone area regeneration in cranial defects. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To fabricate and evaluate a 3D-printed composite scaffold functionalized with zinc oxide for enhanced osteogenic activity and bone defect repair.

September 4, 2026Macromolecular Bioscience

Functionalized 3D‐Printed PCL/β‐TCP Scaffolds with ZnO for Enhanced Bone Healing

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Authors

AMAyijiamila MohetaerLanzhou University SRShan RongLanzhou University Second Hospital JZJing ZhangJiangxi University of Traditional Chinese Medicine

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Implication

Preclinical study demonstrates enhanced bone regeneration with 3D-printed zinc oxide composite scaffolds in rat cranial defects, indicating clinical potential for bone augmentation.

Key Points

To fabricate and evaluate a 3D-printed composite scaffold functionalized with zinc oxide for enhanced osteogenic activity and bone defect repair.
Fabricated porous polycaprolactone/β-tricalcium phosphate scaffolds functionalized with zinc oxide (PCL/β-TCP@ZnO) via direct ink writing 3D printing.
Assessed cytocompatibility, ion release, alkaline phosphatase activity, and mineralized nodule formation in vitro using MC3T3-E1 cells.
Evaluated in vivo bone regeneration and osseointegration in a rat cranial defect model over a 12-week follow-up period.
The 2% ZnO formulation (PTZ-2) provided sustained release of Ca2+, PO43-, and Zn2+ ions, leading to optimal cytocompatibility and enhanced alkaline phosphatase activity in vitro.
Implantation of PTZ-2 scaffolds in a rat cranial defect model resulted in approximately 95% new bone area after 12 weeks, forming a continuous, highly mineralized bone matrix.

Cite This Study

Mohetaer et al. (2026) studied this question.

synapsesocial.com/papers/6a9a85fa5d9e33f25c63174f https://doi.org/10.1002/mabi.70245

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Implication

Preclinical study demonstrates enhanced bone regeneration with 3D-printed zinc oxide composite scaffolds in rat cranial defects, indicating clinical potential for bone augmentation.

Functionalized 3D‐Printed PCL/β‐TCP Scaffolds with ZnO for Enhanced Bone Healing

Discussion

Member takes

Implication

Key Points

Cite This Study

Functionalized 3D‐Printed PCL/β‐TCP Scaffolds with ZnO for Enhanced Bone Healing

Discussion

Member takes

Implication

Key Points

Cite This Study

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