Treatment of bone defects due to peri-implantitis in 3.5-3.6 zone and implant rehabilitation

  • cover image
  • 1. Initial intraoral image: it is possible to appreciate severe inflammation of the soft tissues. The prosthesis is subjected to considerable mobility
  • 2. Endoral x-ray image: the diagnosis of peri-implantitis in 3.5-3.6 zone was confirmed
  • 3. Intraoral image after prosthesis removal
  • 4. Removed prosthesis and implant with infected surface
  • 5. Intraoral image showing the residual bone defects: in particular 3.5 site was defective of all buccal coronal half
  • 6. Defects were grafted with OsteoBiol® Gen-Os
  • 7. The graft was stabilized and protected by a properly shaped OsteoBiol® Evolution membrane
  • 8. Soft tissues were repositioned and sutured
  • 9. Intraoral image of second surgical phase (re-entry after 8 months). It is possible to appreciate a complete regeneration of pre-existent bone defects
  • 10. The endoral x-ray image confirms a volume of bone tissue adequate to implant rehabilitation
  • 11. Detail of biopsy sample of regenerated bone drawn by a trephine bur
  • 12. Placement of 3 implants on the base of a monophasic protocol
  • 13. Endoral x-ray image confirming the correct implant positioning. The technique of
  • 14. EE histology (40X and 400X magnification) on biopsy performed during implant placement surgery (Prof. Navone, Department of Pathological Anatomy, University of Torino): diagnosis of mature lamellar bone and neo-formed bone, with no trace of necrosis or inflammation (residual biomaterial in grafting site: 10%)
  • 15. EE histology (40X and 400X magnification) on biopsy performed during implant placement surgery (Prof. Navone, Department of Pathological Anatomy, University of Torino): diagnosis of mature lamellar bone and neo-formed bone, with no trace of necrosis or inflammation (residual biomaterial in grafting site: 10%)
  • 16. Placement of titanium prosthesis abutments after 3 months from implant placement surgery: the verification of perfect implant osteointegration was performed with the resonance frequency analysis (ISQ>70)
  • 17. Endoral x-ray image. It is possible to proceed with
  • 18. Placement of 3 provisional acrylic crowns connected together. The final restoration with definitive prosthesis was scheduled after 3 months
  • Clinical indication: alveolar regeneration
  • Products : Evolution, Gen-Os
  • Authors : Dr. Roberto Cocchetto
  • Information about patient: Male 54
  • Credits : Documentation provided by Dr. Roberto Cocchetto
    Private practitioner in Zevio (Verona, Italy)
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