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Vertical crestal bone changes around implants placed into fresh extraction sockets.

Ugo Covani1, Roberto Cornelini, Antonio Barone

  • 1Clinical Unit of Oral Pathology, School of Dental Medicine, University of Genova, Italy.

Journal of Periodontology
|May 2, 2007
PubMed
Summary
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Dental implants placed immediately after tooth extraction heal well without bone grafting. Bone remodeling occurs, with minor vertical bone loss at the buccal aspect, but without compromising aesthetics.

Area of Science:

  • Dental Implantology
  • Oral Surgery
  • Periodontology

Background:

  • Immediate implant placement after tooth extraction is a common procedure.
  • Guided bone regeneration techniques are often used to augment bone volume.
  • The necessity of bone augmentation for immediate implants requires further investigation.

Purpose of the Study:

  • To evaluate bone healing and vertical bone remodeling around implants placed immediately after tooth removal.
  • To assess the outcomes without employing guided bone regeneration (GBR) techniques.
  • To analyze bone remodeling patterns in fresh extraction sockets.

Main Methods:

  • Twenty patients received 20 implants immediately post-extraction.
  • Implants were placed in intact alveoli with the cervical portion at the coronal bone level.

Related Experiment Videos

  • Measurements of implant shoulder to bone crest distance were taken at four sites; no GBR materials were used.

    • Main Results:

    • Complete healing of peri-implant bone defects was observed at 6 months.
    • No peri-implant defects were evident around the implant neck.
    • The vertical bone remodeling ranged from 0 to 2 mm between the implant shoulder and bone crest.

    Conclusions:

    • Implants placed in fresh extraction sockets demonstrate new bone apposition and remodeling.
    • Both horizontal and vertical bone resorption patterns were observed.
    • Buccal vertical bone reabsorption did not negatively impact esthetic outcomes.