Tailored Three-Dimensionally Printed Triply Periodic Calcium Phosphate Implants: A Preclinical Study for Craniofacial Bone Repair.
3D printing
Bioceramics
Bone marrow
Bone tissue engineering
Calcium phosphates
Calvaria
Journal
ACS biomaterials science & engineering
ISSN: 2373-9878
Titre abrégé: ACS Biomater Sci Eng
Pays: United States
ID NLM: 101654670
Informations de publication
Date de publication:
13 01 2020
13 01 2020
Historique:
entrez:
12
3
2020
pubmed:
12
3
2020
medline:
12
3
2020
Statut:
ppublish
Résumé
Finding alternative strategies for the regeneration of craniofacial bone defects (CSD), such as combining a synthetic ephemeral calcium phosphate (CaP) implant and/or active substances and cells, would contribute to solving this reconstructive roadblock. However, CaP's architectural features (i.e., architecture and composition) still need to be tailored, and the use of processed stem cells and synthetic active substances (e.g., recombinant human bone morphogenetic protein 2) drastically limits the clinical application of such approaches. Focusing on solutions that are directly transposable to the clinical setting, biphasic calcium phosphate (BCP) and carbonated hydroxyapatite (CHA) 3D-printed disks with a triply periodic minimal structure (TPMS) were implanted in calvarial critical-sized defects (rat model) with or without addition of total bone marrow (TBM). Bone regeneration within the defect was evaluated, and the outcomes were compared to a standard-care procedure based on BCP granules soaked with TBM (positive control). After 7 weeks, de novo bone formation was significantly greater in the CHA disks + TBM group than in the positive controls (3.33 mm
Identifiants
pubmed: 32158932
doi: 10.1021/acsbiomaterials.9b01241
pmc: PMC7064275
mid: NIHMS1068195
doi:
Substances chimiques
Calcium Phosphates
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Pagination
553-563Subventions
Organisme : EPA
ID : EP-C-17-017
Pays : United States
Organisme : NIA NIH HHS
ID : P01 AG007996
Pays : United States
Commentaires et corrections
Type : ErratumIn
Déclaration de conflit d'intérêts
Conflicts of interest: None
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