Factors Affecting Late Fixture Loss and Marginal Bone Loss Around Teeth and Dental Implants

ABSTRACT Background: The predictability and high success rate of implant treatment have averted attention from factors affecting fixture loss and bone loss around implants. Purpose: The goal of this study was to retrospectively evaluate late fixture loss and marginal bone loss around implants that h...

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Published in:	Clinical implant dentistry and related research Vol. 2; no. 4; pp. 203 - 208
Main Authors:	Hultin, Margareta, Fischer, Juhani, Gustafsson, Anders, Kallus, Thomas, Klinge, Bjôrn
Format:	Journal Article
Language:	English
Published:	Oxford, UK Blackwell Publishing Ltd 2000
Subjects:	Aged Bone Remodeling Bone Resorption - diagnostic imaging Bone Resorption - etiology dental implants Dental Implants - adverse effects Dental Prosthesis Retention Dental Prosthesis, Implant-Supported Dental Restoration Failure Female Follow-Up Studies Humans Jaw Diseases - diagnostic imaging Jaw Diseases - etiology Jaw, Edentulous - diagnostic imaging Jaw, Edentulous - surgery Jaw, Edentulous, Partially - diagnostic imaging Jaw, Edentulous, Partially - surgery late fixture loss Male Mandible - diagnostic imaging Mandible - surgery marginal bone loss Maxilla - diagnostic imaging Maxilla - surgery Medicin och hälsovetenskap Middle Aged Radiography, Panoramic Retrospective Studies Smoking - adverse effects Statistics, Nonparametric teeth Time Factors
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Summary:	ABSTRACT Background: The predictability and high success rate of implant treatment have averted attention from factors affecting fixture loss and bone loss around implants. Purpose: The goal of this study was to retrospectively evaluate late fixture loss and marginal bone loss around implants that have been in function for 5 years and to relate these findings to bone loss in the natural dentition. Materials and Methods: One hundred and forty‐three consecutively treated patients who had received an implantanchored fixed prosthesis and completed a 5‐year follow‐up were selected. Intraoral and panoramic radiographs were used to assess bone loss. Results: The bone loss was greater around remaining implants in patients who had lost implants after loading. No correlation was found between bone loss around implants and that around teeth. Only 2% of the fixtures were lost during 5 years of functional load. Most fixture losses occurred in the edentulous maxilla. Seven of the nine patients who lost fixtures were smokers. Conclusion: These findings show that patients who lost implants also lost more bone around the remaining implants. There was no correlation between bone loss around implants and that around teeth, indicating that different interacting mechanisms are involved.
Bibliography:	ark:/67375/WNG-CGP6HT25-F ArticleID:CID203 istex:886E40CB160ADA6B1219AA9C01CD7A2CE2A4ABF6
ISSN:	1523-0899 1708-8208
DOI:	10.1111/j.1708-8208.2000.tb00118.x