Prosthetic survival and complication rate of single implant treatment in the periodontally healthy patient after 16 to 22 years of follow-up

Melisa Dierens, Hugo De Bruyn, Jan Cosyn, Stefan Vandeweghe

Onderzoeksoutput: Articlepeer review

19 Citaten (Scopus)
67 Downloads (Pure)

Samenvatting

Background: Single implants were introduced in the eighties, but long-term follow-up is scarce.

Purpose: To retrospectively investigate the prosthetic survival and complication rates of single implants in periodontally-healthy patients after 16-22 years and to evaluate the influence of different prosthetic procedures.

Materials and methods: Patients with a single implant were recalled for clinical examination. Prosthetic procedures included single-tooth (ST) and CeraOne (CO) abutments supporting a porcelain-fused-to-metal (PFM), all-ceramic (CER) or gold-acrylic (ACR) crown. Prosthetic survival, success and occurrence of biological, technical and aesthetic complications were obtained. Procedures were compared by Log Rank tests.

Results: 50 patients attended the examination. All implants were functional, however, 15% of abutments and 27% of crowns had been renewed. 1/4 replacements were related to technical issues whereas the main cause was aesthetics. The abutment cumulative survival rate (CSR) differed significantly between ST-PFM (74%), ST-ACR (0%) and CO reconstructions (97%). The crown CSR was significantly lower for ST-ACR crowns (0%) compared to ST-PFM (68%) and CO (81%). 39% of implants remained complication-free throughout the mean 18.5 years. 1/3 complications required component replacement and 53% occurred within 5 years after surgery.

Conclusion: Prosthetic survival rates of single implants are encouraging after 16-22 years. However, over 66% of the patients encountered at least 1 complication during follow-up.
Originele taal-2English
Pagina's (van-tot)117-128
Aantal pagina's12
TijdschriftClinical Implant Dentistry and Related Research
Volume18
Nummer van het tijdschrift1
DOI's
StatusPublished - 2016

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