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Related Experiment Videos

Five-mm-diameter implants without a smooth surface collar: report on 98 consecutive placements.

F Renouard1, J P Arnoux, D P Sarment

  • 1University of Pennsylvania, Philadelphia, USA.

The International Journal of Oral & Maxillofacial Implants
|March 13, 1999
PubMed
Summary
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Wide-diameter dental implants offer solutions for limited bone density. This study found a 91.8% survival rate for 5-mm-diameter implants, but noted thread exposure in 60% of remaining implants after one year.

Area of Science:

  • Dentistry
  • Oral and Maxillofacial Surgery
  • Biomaterials Engineering

Background:

  • Dental implantology has expanded to address partially edentulous jaws with compromised bone.
  • Wide-diameter implants (5-mm) are increasingly used in these challenging clinical scenarios.
  • The use of implants without smooth surface collars in low-density bone requires further investigation.

Purpose of the Study:

  • To evaluate the clinical outcomes of 98 consecutively placed 5-mm-diameter endosseous dental implants.
  • To assess the survival rate and identify potential complications associated with these implants.
  • To provide insights into avoiding implant failures in compromised bone conditions.

Main Methods:

  • Retrospective analysis of 98 consecutively placed 5-mm-diameter dental implants.

Related Experiment Videos

  • Evaluation of implant survival at second-stage surgery and after one year of functional loading.
  • Assessment of implant thread exposure above the bone level after one year.

    • Main Results:

    • A total of 8 implants failed, resulting in a survival rate of 91.8%.
    • Implant failures occurred at second-stage surgery (6 implants) and after one year of loading (2 implants).
    • Sixty percent of the successfully loaded implants exhibited exposed implant threads above the bone level after one year.

    Conclusions:

    • While 5-mm-diameter implants show a high survival rate, complications like thread exposure are prevalent.
    • Implant failures may be linked to surgical timing and early loading in compromised bone.
    • Further research and specific surgical guidelines are needed to optimize outcomes and minimize complications with wide-diameter implants in low-density bone.