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Simplified methods ...
Simplified methods of implant treatment in the edentulous lower jaw. A controlled prospective study. Part I : one-stage versus two-stage surgery.
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Engquist, Bo (author)
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- Åstrand, Per, 1935- (author)
- Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Käkkirurgi,Käkkliniken US
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- Anzén, Bengt, 1941- (author)
- Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Käkkirurgi,Käkkliniken US
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Dahlgren, Simon (author)
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Engquist, Eva (author)
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- Feldmann, Hartmut, 1953- (author)
- Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Käkkirurgi,Käkkliniken US
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Karlsson, Ulf (author)
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- Nord, Per Gunnar, 1940- (author)
- Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Käkkirurgi,Käkkliniken US
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- Sahlholm, Sten, 1947- (author)
- Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Käkkirurgi,Käkkliniken US
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- Svärdström, Pia, 1939- (author)
- Östergötlands Läns Landsting,Linköpings universitet,Hälsouniversitetet,Käkkirurgi,Käkkliniken US
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(creator_code:org_t)
- 2002
- 2002
- English.
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In: Clinical Implant Dentistry and Related Research. - 1523-0899 .- 1708-8208. ; 4:2, s. 93-103
- Related links:
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https://urn.kb.se/re...
Abstract
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- BACKGROUND: The original protocol for Brσnemark System implants in the mandible was a two-stage procedure with 3 months healing time. With five or six implants and a cast framework of gold, the treatment is rather expensive, and simplified methods would be desirable. PURPOSE: The goal of this controlled serial study was to investigate the outcome of a simplified procedure with one-stage surgery, four Brσnemark implants, shortened healing time, and a new titanium-acrylic fixed full prosthesis. MATERIALS AND METHODS: Eighty-two patients were treated in three different groups at two specialist centers. All patients were provided with four implants, loaded with a Procera All-in-One bridge (Nobel Biocare, Gothenburg, Sweden) after 12 weeks. In group A (n = 30), one-stage surgery was combined with two-piece implants. In group B (n = 30), the control group, two-stage surgery and two-piece implants were used. In group C (n = 22), one-stage surgery was combined with one-piece implants. Marginal bone level was rated from radiographs at implant insertion, at baseline, and after 1 year. RESULTS: The survival rate after 1 year for group A was 93.3%, group B, 97.5%, and group C, 93.2%. The differences were not statistically significant. Between fixture insertion and baseline, the average bone loss for group A was 1.2 mm, group B, 1.3 mm, and group C, 1.3 mm. No complications in the form of bridge loosening or acrylic fractures were recorded during the first year. CONCLUSIONS: The survival rates and the marginal bone changes did not differ significantly between the one-stage groups and the control group. The survival rate and the marginal bone changes were similar for one-piece and two-piece implants. Four implants were sufficient to support full fixed prostheses in the mandibles. The Procera All-in-One bridges proved to be of high quality, and no complications were experienced. key words: endosseous implants, nonsubmerged implants, one-piece implants, prospective clinical study, submerged implants
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- MEDICIN
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- ref (subject category)
- art (subject category)
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Engquist, Bo
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Åstrand, Per, 19 ...
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Anzén, Bengt, 19 ...
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Dahlgren, Simon
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Engquist, Eva
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Feldmann, Hartmu ...
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show more...
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Karlsson, Ulf
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Nord, Per Gunnar ...
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Sahlholm, Sten, ...
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Svärdström, Pia, ...
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Clinical Implant ...
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Linköping University