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Related Experiment Video

Updated: Jan 13, 2026

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Digitally Customized 3D PCL/β-TCP Scaffold for Precise Reconstruction of Alveolar Crest Defects.

Lei Kang1, Chunquan Ma1, Xiajie Hu1

  • 1school/Hospital of Stomatology, Lanzhou University, Lanzhou 730000, P.R. China.

ACS Applied Bio Materials
|January 9, 2026
PubMed
Summary

This study developed a personalized 3D PCL/β-TCP scaffold using 3D printing for alveolar crest defects. The scaffold demonstrated excellent biocompatibility and promoted bone formation, offering a promising solution for dental repair.

Keywords:
3D printing PCL/β-TCPalveolar crest defectbone tissue engineeringdigital customizationprecise repair

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Dental Engineering

Background:

  • Alveolar crest defects require effective repair strategies.
  • Personalized scaffolds can improve treatment outcomes.
  • 3D printing enables complex scaffold fabrication.

Purpose of the Study:

  • To design and fabricate a personalized 3D PCL/β-TCP scaffold for alveolar crest defect repair.
  • To evaluate the in vitro biocompatibility and osteogenic potential of the scaffold.
  • To assess the in vivo bone regeneration capacity of the scaffold.

Main Methods:

  • Cone beam computed tomography (CBCT) data used for personalized scaffold design.
  • 3D printing technology employed for scaffold fabrication (PCL/β-TCP).
  • In vitro assays (cell adhesion, proliferation, ALP, Alizarin Red) and in vivo animal models (rat skull defects) for evaluation.

Main Results:

  • The 3D PCL/β-TCP scaffold showed excellent biocompatibility and enhanced MC3T3-E1 cell adhesion and proliferation.
  • Scaffold promoted osteogenic differentiation, evidenced by increased ALP expression and calcified nodule formation.
  • In vivo studies confirmed accelerated bone formation in rat skull defects.

Conclusions:

  • Personalized 3D PCL/β-TCP scaffolds are effective for alveolar crest defect repair.
  • The scaffold's biomimetic porous architecture and osteogenic ability are key advantages.
  • This approach offers a precise and effective method for dental regeneration.