Long‐term retrospective evaluation of short implants in the posterior areas: clinical results after 10–12 years

Aim To evaluate the long‐term clinical results of short implants in the posterior areas and analyse the possible influence of different variables on implant success rate and marginal bone loss (MBL). Methods A retrospective study design was used. Patients were included if they had received one or mo...

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Bibliographic Details
Published in:Journal of clinical periodontology 2014-04, Vol.41 (4), p.404-411
Main Authors: Anitua, Eduardo, Piñas, Laura, Begoña, Leire, Orive, Gorka
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Alveolar Bone Loss - etiology
Clinical outcomes
Crowns
Dental Implantation, Endosseous - methods
Dental Implants
Dental Prosthesis Design
Dental Prosthesis, Implant-Supported
Dental Restoration Failure
Dentistry
Equipment Safety
Female
Follow-Up Studies
Humans
Intercellular Signaling Peptides and Proteins - therapeutic use
Longitudinal Studies
long‐term
Male
Middle Aged
Orthodontics
Osseointegration - physiology
Patient Care Planning
PRGF
Radiography, Panoramic
Retrospective Studies
short implants
Surface Properties
Survival Analysis
Transplants & implants
Treatment Outcome
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Summary:Aim To evaluate the long‐term clinical results of short implants in the posterior areas and analyse the possible influence of different variables on implant success rate and marginal bone loss (MBL). Methods A retrospective study design was used. Patients were included if they had received one or more short implants (≤8.5 mm long) in the posterior jaws at least 10 years earlier. All implants were embedded in plasma rich in growth factors (PRGF). The cumulative success rate was the primary outcome. MBL and the influence of different variables as secondary outcomes were assessed. Results A total of 111 short implants (7.0, 7.5 and 8.5 mm in length) placed in 75 patients met the inclusion criteria. Of which, 94 were splinted to longer ones. The mean follow‐up was 123.3 months (SD = 10.4 months). The mean crown‐implant ratio was 1.4 (SD = 0.3). The mean MBL was 1.0 mm at mesial (SD = 0.7) and 0.9 mm (SD = 0.6) at distal aspect. One short implant failed. Success rate was 98.9% and 98.2% for the implant and patient‐based analysis respectively. No relationship was observed between the studied variables and the MBL. Conclusions These clinical results support the use of short implants as an effective and safe long‐term treatment option.
ISSN:0303-6979
1600-051X
DOI:10.1111/jcpe.12222