The immediate rehabilitation by means of a ready‐made final fixed prosthesis in the edentulous mandible: a 1‐year follow‐up study on 50 consecutive patients
- 7 May 2004
- journal article
- Published by Wiley in Clinical Oral Implants Research
- Vol. 15 (3), 360-365
- https://doi.org/10.1111/j.1600-0501.2004.01069.x
Abstract
Although a two‐stage procedure with symphyseal oral implants can lead to a long‐term (15 years) 99% cumulative survival rate, a one‐stage approach with immediate loading via prefabricated elements seems to offer a short‐term acceptable outcome with significantly lower costs. A series of 50 consecutive patients, not eliminated for any systemic or smoking condition, received at the department of periodontology three implants in the symphyseal area, connected by a very rigid horse shoe‐shaped titanium bar. A final screw retained prosthetic framework was placed on top of it at the department of prosthetic dentistry within 2 days after surgery (44) or after a delay, due to purely external factors, of up to 10 days (6). Forty‐five patients were followed for 1 year. In one patient, all three implants failed and another four patients were lost to follow‐up. The cumulative failure rates for implants and prostheses at 1 year were, respectively, 7.3% and 5%. The mean marginal bone loss at 1 year was 1.08 mm (SD: 1.62; range −5.68 to +2.55). This study shows that stable marginal bone levels can be maintained around immediately loaded implants in the lower jaw in an average patient population for at least 1 year. The survival rate is, however, lower than for a staged approach.Keywords
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