Publication

A systematic review of implant-supported maxillary overdentures after a mean observation period of at least 1 year

Slot, W., Raghoebar, G. M., Vissink, A., Slater, J. J. H. & Meijer, H. J. A., Jan-2010, In : Journal of Clinical Periodontology. 37, 1, p. 98-110 13 p.

Research output: Contribution to journalReview articleAcademicpeer-review

P>Aim

The aim of the present systematic review of implant-supported maxillary overdentures was to assess the survival of implants, survival of maxillary overdentures and the condition of surrounding hard and soft tissues after a mean observation period of at least 1 year.

Material and methods

MEDLINE (1950-August 2009), EMBASE (1966-August 2009) and CENTRAL (1800-August 2009) were searched to identify eligible studies. Two reviewers independently assessed the articles.

Results

Out of 147 primarily selected articles, 31 studies fulfilled the inclusion criteria. A meta-analysis showed an implant survival rate (SR) of 98.2% per year in case of six implants and a bar anchorage. In case of four implants and a bar anchorage, the implant SR was 96.3% per person. In case of four implants and a ball anchorage, the implant SR was 95.2% per year.

Conclusion

In all three treatment options, the SR of the implants is more than 95%. The studies included reveal that a maxillary overdenture supported by six dental implants, which are connected with a bar, is the most successful treatment regarding survival of both the implants and overdenture. Second in line is the treatment option with four implants and a bar. The treatment option with four or less implants and a ball attachment system is the least successful.

Original languageEnglish
Pages (from-to)98-110
Number of pages13
JournalJournal of Clinical Periodontology
Volume37
Issue number1
Publication statusPublished - Jan-2010

    Keywords

  • dental implants, edentulous, maxilla, overdentures, survival, systematic review, ATROPHIC EDENTULOUS MAXILLA, SEVERELY RESORBED MAXILLAE, LASER-WELDED TITANIUM, RETAINED MANDIBULAR OVERDENTURES, 5-YEAR PROSPECTIVE MULTICENTER, CONVENTIONAL CAST FRAMEWORKS, RANDOMIZED CLINICAL-TRIAL, AUTOLOGOUS BONE-GRAFTS, FULL-ARCH PROSTHESIS, 10-YEAR FOLLOW-UP

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