Serveur d'exploration sur le patient édenté

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One‐Stage Operative Procedure Using Two Different Implant Systems: A Prospective Study on Implant Overdentures in the Edentulous Mandible

Identifieur interne : 008928 ( Main/Exploration ); précédent : 008927; suivant : 008929

One‐Stage Operative Procedure Using Two Different Implant Systems: A Prospective Study on Implant Overdentures in the Edentulous Mandible

Auteurs : Andrew Tawse-Smith [Nouvelle-Zélande] ; Alan G. T. Payne [Nouvelle-Zélande] ; Rohana Kumara [Nouvelle-Zélande] ; W. Murray Thomson [Nouvelle-Zélande]

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RBID : ISTEX:100E8C200B566B3A5EA38136796E9774F1555BB9

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English descriptors

Abstract

Background: Evidence‐based reports are needed to support the application of a one‐stage surgical protocol for unsplinted implants supporting mandibular overdentures. Purpose: To examine the feasibility and success of using two different dental implant systems (originally designed for two‐stage operative technique) using a one‐stage operative procedure in patients being rehabilitated with implant mandibular overdentures. Materials and Methods: The study sample involved 24 edentulous subjects (aged 55–80 yr) randomly allocated to two different implant systems, one with a machined titanium implant surface (Steri‐Oss, Nobel Biocare, Göteborg, Sweden) and the other with a roughened titanium surface (Southern Implants, Ltd., Irene, South Africa). Two unsplinted implants to support implant overdentures were placed in the anterior mandible of all patients, using a standardized one‐stage surgical and prosthodontic procedure. Primary stability and bicortical anchorage of the implants was mandatory before healing abutments were connected at the time of implant placement. Implant overdentures and their respective matrices were inserted following a standard 12‐week healing period. Data relating to mobility tests, radiographs, and peri‐implant parameters were documented at 12, 16, and 52 weeks after surgery. Results: A success rate of 95.8% for the Steri‐Oss and 100% for the Southern Implants was found, without any statistically significant differences in the marginal bone loss. Significant changes in Periotest values were observed for both types between 12 and 52 weeks (p <.001). Minor changes were observed in the peri‐implant parameters evaluated. Conclusions: These preliminary findings show a successful application of this one‐stage approach for unsplinted implants supporting mandibular overdentures with Steri‐Oss and Southern Implant Systems.

Url:
DOI: 10.1111/j.1708-8208.2001.tb00140.x


Affiliations:


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Le document en format XML

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<term>Anterior mandible</term>
<term>Bacterial contamination</term>
<term>Ball abutment</term>
<term>Ball abutments</term>
<term>Baseline</term>
<term>Bicortical anchorage</term>
<term>Bone loss</term>
<term>Bone quantity</term>
<term>Brinemark</term>
<term>Brinemark fixtures</term>
<term>Brinemark implants</term>
<term>Brinemark zarb</term>
<term>Cert perio</term>
<term>Clin</term>
<term>Clinical dentistry</term>
<term>Clinical implant dentistry</term>
<term>Clinical overdenture research project</term>
<term>Clinical study</term>
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<term>Different implant systems</term>
<term>Edentulous</term>
<term>Edentulous mandible</term>
<term>Elderly patients</term>
<term>First year</term>
<term>Generous relief</term>
<term>Healing abutments</term>
<term>Implant</term>
<term>Implant overdentures</term>
<term>Implant placement</term>
<term>Implant surfaces</term>
<term>Implant systems</term>
<term>Implant type</term>
<term>Keratinized mucosa</term>
<term>Lekholm</term>
<term>Longitudinal study</term>
<term>Mandible</term>
<term>Mandibular</term>
<term>Mandibular dentures</term>
<term>Mandibular implant overdentures</term>
<term>Mandibular overdentures</term>
<term>Marginal bone levels</term>
<term>Marginal bone loss</term>
<term>Maxillofac</term>
<term>Mucosal enlargement</term>
<term>Nobel biocare</term>
<term>Operative procedure</term>
<term>Operative technique</term>
<term>Oral implants</term>
<term>Oral maxillofac implants</term>
<term>Oral rehabilitation</term>
<term>Osseointegrated</term>
<term>Osseointegrated implants</term>
<term>Osseointegrated titanium implants</term>
<term>Other studies</term>
<term>Overdentures</term>
<term>Periotest</term>
<term>Periotest values</term>
<term>Plaque accumulation</term>
<term>Present study</term>
<term>Prospective study</term>
<term>Prosthesis</term>
<term>Prosthodontic</term>
<term>Prosthodontic procedures</term>
<term>Prosthodontic treatment</term>
<term>Radiograph</term>
<term>Radiographic</term>
<term>Radiographical features</term>
<term>Reference point</term>
<term>Relative attachment levels</term>
<term>Respective matrices</term>
<term>Respective patrices</term>
<term>Retrospective study</term>
<term>Significant changes</term>
<term>Significant difference</term>
<term>Significant differences</term>
<term>Southern implant system</term>
<term>Southern implant systems</term>
<term>Southern implants</term>
<term>Southern implants fixtures</term>
<term>Standard healing period</term>
<term>Success grade</term>
<term>Success rate</term>
<term>Success rates</term>
<term>Surgical</term>
<term>Surgical placement</term>
<term>Tissue conditioner</term>
<term>Tissue integration</term>
<term>Titanium</term>
<term>Titanium implants</term>
<term>Titanium surface</term>
<term>Titanium surfaces</term>
<term>Torquing forces</term>
<term>Unsplinted implants</term>
<term>Wilcoxon test</term>
<term>Zarb</term>
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<term>Abutment</term>
<term>Anterior mandible</term>
<term>Bacterial contamination</term>
<term>Ball abutment</term>
<term>Ball abutments</term>
<term>Baseline</term>
<term>Bicortical anchorage</term>
<term>Bone loss</term>
<term>Bone quantity</term>
<term>Brinemark</term>
<term>Brinemark fixtures</term>
<term>Brinemark implants</term>
<term>Brinemark zarb</term>
<term>Cert perio</term>
<term>Clin</term>
<term>Clinical dentistry</term>
<term>Clinical implant dentistry</term>
<term>Clinical overdenture research project</term>
<term>Clinical study</term>
<term>Dental implant system</term>
<term>Dentistry</term>
<term>Denture</term>
<term>Different implant systems</term>
<term>Edentulous</term>
<term>Edentulous mandible</term>
<term>Elderly patients</term>
<term>First year</term>
<term>Generous relief</term>
<term>Healing abutments</term>
<term>Implant</term>
<term>Implant overdentures</term>
<term>Implant placement</term>
<term>Implant surfaces</term>
<term>Implant systems</term>
<term>Implant type</term>
<term>Keratinized mucosa</term>
<term>Lekholm</term>
<term>Longitudinal study</term>
<term>Mandible</term>
<term>Mandibular</term>
<term>Mandibular dentures</term>
<term>Mandibular implant overdentures</term>
<term>Mandibular overdentures</term>
<term>Marginal bone levels</term>
<term>Marginal bone loss</term>
<term>Maxillofac</term>
<term>Mucosal enlargement</term>
<term>Nobel biocare</term>
<term>Operative procedure</term>
<term>Operative technique</term>
<term>Oral implants</term>
<term>Oral maxillofac implants</term>
<term>Oral rehabilitation</term>
<term>Osseointegrated</term>
<term>Osseointegrated implants</term>
<term>Osseointegrated titanium implants</term>
<term>Other studies</term>
<term>Overdentures</term>
<term>Periotest</term>
<term>Periotest values</term>
<term>Plaque accumulation</term>
<term>Present study</term>
<term>Prospective study</term>
<term>Prosthesis</term>
<term>Prosthodontic</term>
<term>Prosthodontic procedures</term>
<term>Prosthodontic treatment</term>
<term>Radiograph</term>
<term>Radiographic</term>
<term>Radiographical features</term>
<term>Reference point</term>
<term>Relative attachment levels</term>
<term>Respective matrices</term>
<term>Respective patrices</term>
<term>Retrospective study</term>
<term>Significant changes</term>
<term>Significant difference</term>
<term>Significant differences</term>
<term>Southern implant system</term>
<term>Southern implant systems</term>
<term>Southern implants</term>
<term>Southern implants fixtures</term>
<term>Standard healing period</term>
<term>Success grade</term>
<term>Success rate</term>
<term>Success rates</term>
<term>Surgical</term>
<term>Surgical placement</term>
<term>Tissue conditioner</term>
<term>Tissue integration</term>
<term>Titanium</term>
<term>Titanium implants</term>
<term>Titanium surface</term>
<term>Titanium surfaces</term>
<term>Torquing forces</term>
<term>Unsplinted implants</term>
<term>Wilcoxon test</term>
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<div type="abstract" xml:lang="en">Background: Evidence‐based reports are needed to support the application of a one‐stage surgical protocol for unsplinted implants supporting mandibular overdentures. Purpose: To examine the feasibility and success of using two different dental implant systems (originally designed for two‐stage operative technique) using a one‐stage operative procedure in patients being rehabilitated with implant mandibular overdentures. Materials and Methods: The study sample involved 24 edentulous subjects (aged 55–80 yr) randomly allocated to two different implant systems, one with a machined titanium implant surface (Steri‐Oss, Nobel Biocare, Göteborg, Sweden) and the other with a roughened titanium surface (Southern Implants, Ltd., Irene, South Africa). Two unsplinted implants to support implant overdentures were placed in the anterior mandible of all patients, using a standardized one‐stage surgical and prosthodontic procedure. Primary stability and bicortical anchorage of the implants was mandatory before healing abutments were connected at the time of implant placement. Implant overdentures and their respective matrices were inserted following a standard 12‐week healing period. Data relating to mobility tests, radiographs, and peri‐implant parameters were documented at 12, 16, and 52 weeks after surgery. Results: A success rate of 95.8% for the Steri‐Oss and 100% for the Southern Implants was found, without any statistically significant differences in the marginal bone loss. Significant changes in Periotest values were observed for both types between 12 and 52 weeks (p <.001). Minor changes were observed in the peri‐implant parameters evaluated. Conclusions: These preliminary findings show a successful application of this one‐stage approach for unsplinted implants supporting mandibular overdentures with Steri‐Oss and Southern Implant Systems.</div>
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