alexa Occurrence Regions and Sites of Peri-implant Inflammati
ISSN: 2332-0702

Journal of Oral Hygiene & Health
Open Access

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Research Article

Occurrence Regions and Sites of Peri-implant Inflammation With Bone Resorption in Partially-edentulous Patients

Motohiro Munakata*, Noriko Tachikawa, Katsuichiro Maruo, Aoi Sakuyama, Yoko Yamaguchi and Shohei Kasugai

Associate Professor, Oral Implantology, Yokosuka, Kanagawa Japan

*Corresponding Author:
Motohiro Munakata
Associate Professor
Oral Implantology, Yokosuka
Kanagawa Japan
Tel: 81 46 8228880
E-mail: [email protected]

Received Date: June 25, 2014; Accepted Date: July 25, 2014; Published Date: August 02, 2014

Citation: Munakata M, Tachikawa N, Maruo K, Sakuyama A, Yamaguchi Y, et al. (2014) Occurrence Regions and Sites of Peri-implant Inflammation With Bone Resorption in Partially-edentulous Patients. J Oral Hyg Health 2:146. doi:10.4172/2332-0702.1000146

Copyright: © 2014 Munakata M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Aim: The aim of this study was to clarify the occurrence regions and sites of peri-implant bone resorption and inflammation in partially-edentulous patients.

Methods: Five hundred one partially-edentulous patients with 738 implants in function for more than 5 years were included in this study for the evaluation of the bone resorption by using dental radiograph and probing. Considering physiological bone remodeling, the mean mesio-distal bone resorption around the implant was measured on dental radiograph.

Results: In 65 patients (13.0% of the total patients) with 76 implants (10.3% of the total implants), peri-implant bone resorption was identified. The mean functional loading time of these implants was 8.4 years. Occurrence regions were frequently found in the molar regions in maxilla (15.4%) and the molar region in mandible (10.0%) In these leisions detected radiologically, the bleeding on probing was seen in 95.2% of the buccal sites in mandibular molar regions, 70.0% of the palatal sites in maxillary molar regions and 56.7% of the buccal sites in maxillary molar regions with statistically significant differences.

Conclusion: From the limitation of the information in this study, it was concluded that the sites that tend to be vulnerable to peri-implant inflammation were the buccal site in mandible, and the buccal and palatal sites in maxilla.


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