A retrospective analysis of early and delayed loading of full-arch mandibular prostheses using three different implant systems: clinical results with up to 5 years of loading.

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MARC

Eliasson, Alf,1959Gothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology (author)

A retrospective analysis of early and delayed loading of full-arch mandibular prostheses using three different implant systems: clinical results with up to 5 years of loading.

Article/chapterEnglish2009

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Wiley,2009

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LIBRIS-ID:oai:gup.ub.gu.se/129089
https://gup.ub.gu.se/publication/129089URI
https://doi.org/10.1111/j.1708-8208.2008.00099.xDOI
https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-15579URI

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Language:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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BACKGROUND: Early loading of implant-supported prostheses in the edentulous mandible is widely accepted, but do the clinical results replicate those of delayed loading? PURPOSE: The aim of this study was to evaluate clinical outcome and patient satisfaction with early or delayed loading in patients treated with fixed prostheses, using three different implant systems. MATERIALS AND METHODS: One hundred and nine consecutively treated patients received 490 implants supporting fixed prostheses; 82 patients with Brånemark System implants (Nobel Biocare AB, Göteborg, Sweden), 16 with Astra Tech implants (Astra Tech AB Dental Implant system, Mölndal, Sweden), and 11 with ITI MonoType implants (ITI Dental Implant System, Institute Straumann AG, Waldenburg, Switzerland). Prostheses were placed within 2 to 3 weeks in 55 patients; 54 patients underwent a two-stage procedure. Data were collected from patient records and radiographs; 83 patients attended a clinical examination and received a questionnaire. RESULTS: All patients had fixed prostheses at follow-up with a mean observation time of 3.5 years. Cumulative survival rates (CSRs) were 92.5% of prostheses and 94.4% of implants for early loading, and 98.0 and 97.9% for delayed loading. The mean radiographic bone loss after the first year was small, and at 5 years less than 0.2 mm for both groups. With early loading, significantly more prostheses (p < .05) needed adjustment or replacement. CONCLUSION: Statistically significantly more prostheses needed adjustment or replacement in the early group. The present study suggested lower CSRs for prostheses and implants in the early loading group after 5 years; the difference was not statistically significant. Larger study samples are needed to verify statistically small differences between treatment techniques.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Odontologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Dentistry hsv//eng
Aged
Aged
80 and over
Alveolar Bone Loss
radiography
Dental Abutments
Dental Implantation
Endosseous
methods
Dental Implants
Dental Prosthesis Design
Dental Prosthesis
Implant-Supported
Dental Restoration Failure
Dental Restoration Wear
Denture Bases
Denture Design
Female
Follow-Up Studies
Humans
Jaw
Edentulous
rehabilitation
surgery
Male
Mandible
surgery
Middle Aged
Occlusal Adjustment
Patient Satisfaction
Retrospective Studies
Survival Analysis
Time Factors
Tooth
Artificial
Treatment Outcome

Added entries (persons, corporate bodies, meetings, titles ...)

Blomqvist, Fredrik (author)
Wennerberg, Ann,1955Malmö högskola,Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper,Institute of Clinical Sciences,Odontologiska fakulteten (OD)(Swepub:mau)odanwe (author)
Johansson, Anders,1968 (author)
Göteborgs universitetInstitutionen för odontologi (creator_code:org_t)

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In:Clinical implant dentistry and related research: Wiley11:2, s. 134-481708-82081523-0899

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Dentistry

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By the university: University of Gothenburg; Malmö University

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