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Related Experiment Videos

Interventions for replacing missing teeth: preprosthetic surgery versus dental implants.

P Coulthard1, M Esposito, H V Worthington

  • 1Oral and Maxillofacial Surgery, University Dental Hospital of Manchester, Higher Cambridge Street, Manchester, UK, M15 6FH. paul.coulthard@man.ac.uk

The Cochrane Database of Systematic Reviews
|January 10, 2003
PubMed
Summary
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Patients are more satisfied with implant-retained dentures than conventional dentures following preprosthetic surgery. This review highlights the need for further research into implant-retained prostheses versus preprosthetic surgery for denture retention.

Area of Science:

  • Oral surgery
  • Prosthodontics
  • Evidence-based dentistry

Background:

  • Preprosthetic surgery modifies oral anatomy for conventional denture retention.
  • Osseointegrated implants offer an alternative, improving denture retention via special attachments.
  • This review compares preprosthetic surgery (PPS) with implant-retained prostheses (IRO).

Purpose of the Study:

  • To compare the success (patient satisfaction, morbidity) and cost-effectiveness of PPS with conventional dentures versus IRO.
  • To test the null hypothesis of no difference between the two treatment approaches.

Main Methods:

  • Systematic search of Cochrane OHG, Cochrane Controlled Trials Register, MEDLINE, and EMBASE databases up to May 2002.
  • Contacted 55 implant companies and reviewed bibliographies of relevant articles.

Related Experiment Videos

  • Included one randomized controlled trial (RCT) with 60 participants comparing PPS and IRO.

    • Main Results:

    • Patients reported significantly higher satisfaction with IRO at one and five years.
    • No statistically significant difference in altered sensation of the lower lip and chin between groups at one or five years.
    • One RCT provided the primary data, with no studies excluded.

    Conclusions:

    • Limited evidence from one RCT suggests patients are more satisfied with implant-retained dentures than conventional dentures after preprosthetic surgery.
    • Further well-designed RCTs are needed to compare the success and cost-effectiveness of these treatments.
    • Preprosthetic surgery is largely obsolete, potentially limiting future RCTs in this area.