Immediate implants at fresh extraction sockets: Bone healing in four different implant systems

Massimo De Sanctis, Fabio Vignoletti, Nicola Discepoli, Giovanni Zucchelli, Mariano Sanz

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: To describe the differences in bone healing, when placing four different implant systems in fresh extraction sockets. Material and Methods: Eight beagle dogs received implants randomly installed into the distal socket of three P3 and four P4. Four-implant systems were evaluated. Each animal provided four test implant sites. All animals were sacrificed at 6 weeks after implant placement, providing specimens for histo-morphometric analysis of bone to implant contact (BIC), bone area, new bone formation, as well as histometric measurements of the ridge alterations. Results: No statistically significant difference was observed among the four-implant systems. The mean BIC % ranged between 58.5% and 72.1%. Bone modelling of the buccal plate was marked and amounted approximately to 2.5 mm, independently of the system used. Conclusion: This study failed to demonstrate differences in the healing pattern after 6 weeks when placing four different implant systems in fresh extraction sockets. In spite of achieving predictable osteointegration with the four implants studied, the occurrence of buccal bone resorption may limit the use of this surgical approach.

Original languageEnglish
Pages (from-to)705-711
Number of pages7
JournalJournal of Clinical Periodontology
Volume36
Issue number8
DOIs
Publication statusPublished - Aug 2009

Keywords

  • Buccal crest
  • Fresh extraction socket
  • Immediate implants
  • Implant surface
  • Osteointegration

ASJC Scopus subject areas

  • Periodontics

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