Evaluation of bone healing with eggshell-derived bone graft substitutes in rat calvaria: A pilot study

Jin Woo Park, Sang Ryul Bae, Jo Young Suh, Dong Hee Lee, Sang Hyun Kim, Hyungjun Kim, Chong Soo Lee

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The purpose of this study was to investigate the potential effectiveness of a surface-modified natural calcium carbonate, hen eggshell (ES) as a bone graft substitute. The surface characteristics, cell viability on, and osteoconductivity of, particulated ES with and without hydrothermal treatment in phosphate solutions were evaluated. Hydrothermal treatment partially converted ES to calcium-deficient hydroxyapatite (HA) with surface microstructure. MTT assay indicated higher osteoblast viability on surface-modified ES compared with a commercially available bone substitute, anorganic bovine bone (Bio-Oss, BO) (p < 0.001). Histological and histomorphometric analysis showed significantly greater new bone formation and mineralized bone-to-graft contact of surface-modified ES, especially with hydrothermally treated ES, compared with BO in 5-mm diameter calvarial defects in rats at 4 and 8 weeks of healing (p < 0.01). Complete bony bridging was more frequently found with hydrothermally treated ES. The results of this pilot study indicate the potential efficacy of surface-modified particulated hen eggshell as an osteoconductive bone substitute in a rat calvarial defect model.

Original languageEnglish
Pages (from-to)203-214
Number of pages12
JournalJournal of Biomedical Materials Research - Part A
Volume87
Issue number1
DOIs
Publication statusPublished - 2008 Oct 1

Fingerprint

Grafts
Rats
Bone
Bone Substitutes
Defects
Calcium Carbonate
Osteoblasts
Calcium carbonate
Durapatite
Hydroxyapatite
Calcium
Assays
Phosphates
Cells
Microstructure
Bio-Oss

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Biomaterials
  • Biomedical Engineering
  • Metals and Alloys

Cite this

Park, Jin Woo ; Bae, Sang Ryul ; Suh, Jo Young ; Lee, Dong Hee ; Kim, Sang Hyun ; Kim, Hyungjun ; Lee, Chong Soo. / Evaluation of bone healing with eggshell-derived bone graft substitutes in rat calvaria : A pilot study. In: Journal of Biomedical Materials Research - Part A. 2008 ; Vol. 87, No. 1. pp. 203-214.
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Evaluation of bone healing with eggshell-derived bone graft substitutes in rat calvaria : A pilot study. / Park, Jin Woo; Bae, Sang Ryul; Suh, Jo Young; Lee, Dong Hee; Kim, Sang Hyun; Kim, Hyungjun; Lee, Chong Soo.

In: Journal of Biomedical Materials Research - Part A, Vol. 87, No. 1, 01.10.2008, p. 203-214.

Research output: Contribution to journalArticle

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