Osseointegration of Grit-Blasted and Bioactive Titanium Implants: Histomorphometry in Minipigs

C. Aparicio, F. J. Gil, U. Thams, F. Muñoz, A. Padrós, J. A. Planell

Research output: Contribution to journalConference articlepeer-review

23 Scopus citations

Abstract

In order to improve osseointegration of commercially pure titanium implants one of the main influencing factors is surface quality, which refers to their topographical and physicochemical features. A new two-step (2S) surface treatment has been previously developed. The method consists of 1) grit blasting the surface in order to roughen it and 2) thermochemical treatment in order to obtain a bioactive metal surface. This new 2S-treatment has been in vivo evaluated and compared with as-machined (Ctr), acid etched (E) and grit-blasted (R) implants by means of an histomorphometric quantification (percentage of the total implant surface in direct contact with new bone) after 2, 4, 6 and 10 weeks of implantation into the mandibles of minipigs. The results showed that the rough and bioactive-c.p. Ti implants obtained by EL new two-step surface treatment accelerate their osseointegration compared to grit-blasted, acid etched and as-machined implants, which make them preferential candidates as immediate-loaded dental implants. These implants developed in vivo onto their surfaces a layer of a calcium phosphate, which is probably apatite.

Original languageEnglish (US)
Pages (from-to)737-740
Number of pages4
JournalKey Engineering Materials
Volume254-256
StatePublished - Jan 1 2004
EventThe Annual Meeting of the International Society for Ceramics in Medicine - Porto, Portugal
Duration: Nov 6 2003Nov 9 2003

Keywords

  • Bioactive titanium
  • Dental implant
  • Grit blasting
  • Histomorphometry
  • Osseointegration
  • Roughness

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