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Effect of plaque accumulation and occlusal overload on peri-implant bone loss

Elena Dellepiane, Maria Menini, Paolo Canepa, Paolo Pera
  • Maria Menini
    Department of Implant and Prosthetic Dentistry, University of Genoa, Genoa, Italy
  • Paolo Canepa
    Department of Implant and Prosthetic Dentistry, University of Genoa, Genoa, Italy
  • Paolo Pera
    Department of Implant and Prosthetic Dentistry, University of Genoa, Genoa, Italy

Abstract

This paper presents a case report where the influence of plaque accumulation and overload on a dental implant was observed. The patient presented crown loss on one implant affected by peri-implant bone resorption and gingival inflammation associated with poor oral hygiene. After 12 months a single crown was delivered, but as soon as the occlusal load was applied bone loss and implant failure occurred. In the present case report the dental implant remained stable as long as the implant was not loaded, although a 100% plaque index and bleeding on probing were present during the entire followup period. In contrast, as soon as an occlusal load was applied periimplant bone loss and implant failure occurred. These observations suggest that plaque accumulation alone is not a triggering factor for peri-implant bone loss and implant failure. On the contrary, occlusal load, when not properly controlled, might cause bone resorption.

Keywords

Bone resorption; Dental implants; Implant failure; Occlusal overload; Plaque

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Submitted: 2016-07-31 16:55:37
Published: 2017-02-20 14:18:27
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Copyright (c) 2017 Elena Dellepiane

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