The effect of hydroxyapatite on bone ingrowth into porous-coated titanium implants

A. Moroni, C. Faldini, F. Pegreffi, S. Giannini

Research output: Contribution to journalArticlepeer-review

Abstract

Two different groups of hydroxyapatite (HA) coated and uncoated porous titanium implants, 250-350 μm and 500-700 μm diameter beads, were press-fit in femoral canine cancellous bone. After 12 weeks, the dogs were euthanized and histomorphometric backscattered electron microscopy studies were carried out. Comparing HA-coated versus uncoated implants in the 250-350 μm bead diameter group percentage of bone (P=0.01) and bone index (P=0.01), were higher in the HA-coated implants. Comparing HA-coated versus uncoated implants in the 500-700 μm bead diameter group bone ingrowth (P=0.01) and bone depth penetration (P=0.008), were higher in HA-coated samples. It can be concluded that the HA coating was an effective method to improve bone formation and ingrowth in the porous implants.

Original languageEnglish
Pages (from-to)153-157
Number of pages5
JournalHIP International
Volume12
Issue number2
Publication statusPublished - Apr 2002

Keywords

  • Canine femoral cancellos bone model
  • HA coating
  • Porous-coated titanium implant

ASJC Scopus subject areas

  • Surgery

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