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Related Experiment Videos

The decade of overdentures: 1970-1980

A H Fenton1

  • 1Department of Prosthodontics, Faculty of Dentistry, University of Toronto, Ontario.

The Journal of Prosthetic Dentistry
|February 25, 1998
PubMed
Summary

Overdentures preserve remaining tooth roots to support dentures, improving function and reducing jaw bone loss. This approach offers a stable, cost-effective solution for compromised dentitions, enhancing chewing ability and patient satisfaction.

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Area of Science:

  • Dentistry
  • Prosthodontics
  • Oral Surgery

Background:

  • Tooth loss leads to jaw bone resorption and reduced oral function.
  • Conventional dentures offer limited support compared to natural teeth.
  • The concept of overdentures emerged to preserve remaining teeth and improve denture stability.

Purpose of the Study:

  • To explain the principles and benefits of overdentures.
  • To highlight overdentures as an alternative to complete tooth extraction.
  • To discuss the adaptation of overdentures to implant-supported prosthetics.

Main Methods:

  • Overdentures retain one or more tooth roots, with crowns and pulpal tissue removed.
  • Remaining roots are prepared to support a removable denture.
  • This method aims to retard bone resorption and enhance denture stability.

Main Results:

  • Overdentures provide superior stability and chewing function compared to conventional dentures.
  • Retaining tooth roots significantly reduces jaw bone resorption.
  • Overdentures offer psychological benefits and improved aesthetics for patients.

Conclusions:

  • Overdentures are an accepted and effective treatment modality for compromised dentitions.
  • They offer a conservative and economic alternative to full extraction and conventional dentures.
  • The overdenture concept has been successfully adapted for implant-supported restorations.

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