| Measurements of soft tissue volume in association with single-implant restorations: a 1-year comparative study after abutment connection surgery. | |
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MedLine Citation:
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PMID: 15841578 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Patients with buccal defects due to tooth extraction seem to regain some of the contour at the time of abutment surgery and connection of single-implant crown restorations. It can then be assumed that different abutment systems could restore the buccal contour to different degrees. PURPOSE: To measure changes in buccal tissue volume after placing restorations with single-implant crowns using two different abutment systems and to measure soft tissue change during the 1 year after single-implant treatment. MATERIALS AND METHODS: Eighteen patients were provided with single-implant restorations in the central incisor area. Nine patients in each group were treated with single-implant crowns supported by either CeraOne abutments (Nobel Biocare AB, Göteborg, Sweden) or customized Procera ceramic abutments (Nobel Biocare AB). Study casts were made before abutment connection, at crown placement, and after 1 year. After the casts were scanned, they were analyzed with a computer, using the model before abutment as a reference. In the area of the single implant, sagittal projections provided images of the models that allowed measurements between the contours at the different situations. Radiography and photography for measuring papillary volume were also performed. RESULTS: All patients exhibited increased "buccal volume" after abutment connection and crown placement (p < .01). A trend to greater increase was observed for the Procera group. Both groups also showed a reduction of buccal tissue 1 year later (p < .05-.01), leaving on average more volume in the Procera group. The papillae recovered spontaneously, and no relationship was observed between the presence of papilla and underlying bone support (p > .05). CONCLUSIONS: The buccal tissue increased significantly after placement of the abutment cylinder and the implant crown. This increase of buccal contour was reduced after 1 year. Furthermore, no relationship was established between the presence of papillae and the distance between the contact point and the underlying bone crest. |
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Authors:
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Kristina Henriksson; Torsten Jemt |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article |
Journal Detail:
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Title: Clinical implant dentistry and related research Volume: 6 ISSN: 1523-0899 ISO Abbreviation: Clin Implant Dent Relat Res Publication Date: 2004 |
Date Detail:
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Created Date: 2005-04-21 Completed Date: 2005-05-02 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 100888977 Medline TA: Clin Implant Dent Relat Res Country: Canada |
Other Details:
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Languages: eng Pagination: 181-9 Citation Subset: D; IM |
Affiliation:
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The Brånemark Clinic, Public Dental Health, Göteborg, Sweden. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Alveolar Bone Loss / etiology, radiography Crowns* Dental Abutments* Dental Implantation, Endosseous Dental Implants, Single-Tooth* Dental Porcelain Dental Prosthesis, Implant-Supported* Female Gingiva / anatomy & histology* Humans Life Tables Male Metal Ceramic Alloys Mouth Mucosa / anatomy & histology Statistics, Nonparametric Tooth Extraction / adverse effects |
| Chemical | |
Reg. No./Substance:
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0/Metal Ceramic Alloys; 12001-21-7/Dental Porcelain |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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