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Conometric retention for complete fixed prosthesis supported by four implants: 2-years prospective study.

Eriberto Bressan1, Diego Lops

  • 1Department of Oral Surgery, Dental Clinic, School of Dentistry, University of Padova, Padova, Italy.

Clinical Oral Implants Research
|February 21, 2013
PubMed
Summary

The conometric system provides reliable, fixed retention for complete prostheses on four implants over two years. This approach ensures high prosthetic survival and patient satisfaction with simplified procedures.

Keywords:
conometric retentiondental implantsedentulous mandiblefixed prosthesis

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Area of Science:

  • Dental Implantology
  • Prosthodontics
  • Biomaterials

Background:

  • Fixed complete prostheses (CPs) on dental implants offer improved function and aesthetics.
  • Traditional retention methods can present challenges in terms of maintenance and patient compliance.
  • Conometric abutments offer a novel approach to prosthesis retention.

Purpose of the Study:

  • To evaluate the 2-year reliability of a conometric system for fixed retention of complete prostheses (CPs) supported by four implants.
  • To assess the clinical and radiographic outcomes of this implant-supported conometric retention system.
  • To determine the prosthetic survival rate and patient satisfaction.

Main Methods:

  • Twenty-five patients received four implants each, with immediately loaded CPs fixed to conometric abutments.
  • Clinical and radiographic parameters were assessed at baseline and yearly follow-ups over 2 years.
  • Biological and technical complications, marginal bone level, and patient satisfaction were recorded.

Main Results:

  • 100% prosthetic survival rate for implants, reconstructions, and abutments over 2 years.
  • No significant changes in biological indexes or mean marginal bone level (MBL) were observed.
  • No loss of retention or technical complications related to abutments and frameworks occurred.

Conclusions:

  • The implant-supported conometric retention system is reliable for immediately loaded CPs on four implants.
  • This approach simplifies treatment procedures and potentially reduces costs.
  • High prosthetic survival and patient satisfaction were achieved.