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Related Experiment Videos

A five-year evaluation of implants placed in extraction sockets.

E S Tsai1, C C Crohin, H P Weber

  • 1Advanced Periodontics, Veterans Administration, Greater Los Angeles Healthcare System, Medical Center, Los Angeles, California, USA.

The Journal of the Western Society of Periodontology/Periodontal Abstracts
|January 2, 2004
PubMed
Summary

Dental implants placed in extraction sockets show long-term success comparable to those in intact bone. This study found similar implant longevity and peri-implant health after five years, supporting immediate implant placement.

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Area of Science:

  • Dental Implantology
  • Periodontology
  • Oral Surgery

Background:

  • Immediate implant placement into extraction sockets is a debated technique.
  • Long-term data comparing extraction socket implants with those in intact bone is limited.
  • Understanding the success rates and peri-implant conditions is crucial for clinical decision-making.

Purpose of the Study:

  • To evaluate the long-term survival and peri-implant health of implants placed in extraction sockets.
  • To compare the outcomes of extraction socket implants with implants placed in intact alveolar bone sites.
  • To test the hypothesis that extraction socket implants have a success rate similar to conventionally placed implants.

Main Methods:

  • A longitudinal study included 11 extraction socket implants in 8 patients with at least 5 years of follow-up.

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  • Implants were loaded after 4-6 months of healing.
  • Clinical parameters (plaque index, bleeding index, probing depth, attachment level, distance from implant shoulder to mucosal margin) and intraoral radiographs were assessed.
  • A control group of 11 implants in intact bone was matched for location, sex, and age.

    • Main Results:

    • After 5-7 years, mean bone loss was 0.167 mm for extraction socket implants and 0.460 mm for the control group (P=0.0563, not statistically significant).
    • No significant differences were found in clinical evaluation parameters (plaque index, bleeding index, attachment level, distance from implant shoulder to mucosal margin) between the groups.
    • Radiographic analysis showed comparable bone level changes over time.

    Conclusions:

    • Extraction socket implants demonstrate long-term success rates similar to implants placed in intact alveolar bone.
    • Peri-implant conditions are comparable between the two groups after 5-7 years.
    • Immediate implant placement into extraction sockets is a viable long-term treatment option.