Abstract:
PURPOSE:The aim of this retrospective clinical study was to evaluate the clinical outcome of fixed implant-supported complete prostheses on Astra or Brånemark implants when using either conventional cast frameworks or frameworks produced according to the Cresco Ti Precision method (Cresco Ti Systems Sàrl., Lausanne, Switzerland). MATERIALS AND METHODS:Forty-six patients treated 3 years previously were divided into four groups according to implant system and framework design. Clinical examinations were performed and case records were scrutinized. The stability for each prosthesis retention screw was recorded as the torque profile and was monitored using the Osseocare torque controller (Nobel Biocare AB, Göteborg, Sweden). Complications in association with implants and superstructures were registered. Patient opinions were recorded. The significance level was set to 5%. RESULTS:The Astra-Cresco group demonstrated a lower degree of prosthesis retention screw stability compared with the Astra group. No differences among the four groups were seen regarding plaque, bleeding on probing, or marginal bone resorption. The Brånemark group (Brånemark System, Nobel Biocare AB) demonstrated more mechanical complications than the Brånemark-Cresco group. Mobile prostheses were found in the Brånemark and the Astra-Cresco groups. Fracture of veneer was seen in 20% of the prostheses and was more frequently found in the groups with mobile prostheses. Sixty percent of the prostheses showed reactions in the surrounding soft tissues. The most common reaction was mucosal proliferation. No differences were detected in the patients' opinions. CONCLUSION:Within the limitations of this retrospective study, the following can be concluded: (1) compared with conventional frameworks, the Cresco distortion correction method does not provide a better clinical outcome after prosthesis connection in patients with fixed implant-supported complete prostheses; and (2) the two framework-producing methods behave differently on Astra implants compared with Brånemark implants concerning prosthesis retention screw stability, mechanical and biologic complications, and reactions in patients with fixed implant-supported complete prostheses.
journal_name
Clin Implant Dent Relat Resjournal_title
Clinical implant dentistry and related researchauthors
Hjalmarsson L,Smedberg JIdoi
10.1111/j.1708-8208.2005.tb00064.xkeywords:
subject
Has Abstractpub_date
2005-01-01 00:00:00pages
189-99issue
4eissn
1523-0899issn
1708-8208journal_volume
7pub_type
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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pub_type: 临床试验,杂志文章
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journal_title:Clinical implant dentistry and related research
pub_type: 杂志文章
doi:10.1111/j.1708-8208.1999.tb00094.x
更新日期:1999-01-01 00:00:00
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
pub_type: 杂志文章,随机对照试验
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journal_title:Clinical implant dentistry and related research
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更新日期:2011-09-01 00:00:00
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
pub_type: 临床试验,杂志文章
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更新日期:2003-01-01 00:00:00
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journal_title:Clinical implant dentistry and related research
pub_type: 杂志文章
doi:10.1111/j.1708-8208.2006.00011.x
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journal_title:Clinical implant dentistry and related research
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journal_title:Clinical implant dentistry and related research
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更新日期:2019-08-01 00:00:00
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journal_title:Clinical implant dentistry and related research
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