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Updated: Feb 25, 2026

Effects of Mechanical Methods Used in Peri-implantitis Treatment on Implant Surface Decontamination and Roughness
Published on: March 14, 2025
A novel non-surgical method for mild peri-implantitis- a multicenter consecutive case series
J C Wohlfahrt1, B J Evensen2, B Zeza3
1Department of Periodontology, Institute of Clinical Dentistry, University of Oslo, Pb. 1109 Blindern, 0317, Oslo, Norway. johancw@odont.uio.no.
A novel chitosan brush effectively reduced peri-implant mucosal inflammation in mild peri-implantitis cases. This non-surgical treatment showed significant improvements in pocket probing depth and bleeding on probing over six months.
Area of Science:
- Periodontology
- Biomaterials Science
Background:
- Peri-implantitis is a prevalent complication following dental implant placement.
- Non-surgical interventions are crucial for managing mild forms of peri-implantitis.
- Novel biomaterials offer potential for enhanced therapeutic outcomes.
Purpose of the Study:
- To assess the efficacy of a new chitosan instrument in treating peri-implant mucosal inflammation.
- To evaluate the impact of this instrument on clinical parameters in mild peri-implantitis.
- To determine the safety and potential benefits of chitosan in non-surgical peri-implantitis management.
Main Methods:
- A 6-month, multicenter prospective case series involving 63 patients with mild peri-implantitis.
- Mild peri-implantitis defined by specific radiographic bone loss and probing depth criteria.
- Treatment involved an oscillating chitosan brush applied at baseline and 3 months; clinical parameters assessed regularly.
Main Results:
- Significant reductions in pocket probing depth (PPD) and bleeding on probing (mBoP) were observed at all time points (p < 0.001).
- Mean PPD decreased from 5.15 mm to 4.0 mm, and mBoP from 1.86 to 0.64 at 6 months.
- Stable reductions were maintained, and radiographic bone levels remained stable throughout the study.
Conclusions:
- The oscillating chitosan brush appears safe and beneficial for non-surgical treatment of mild peri-implantitis.
- Further investigation via a multicenter randomized clinical trial is warranted to confirm effectiveness.
- Chitosan-based instruments represent a promising approach in implant dentistry.
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