Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Treatment of Periimplantitis - Electrolytic Cleaning versus Mechanical and Electrolytic Cleaning - A Randomized Controlled Clinical Trial – 18 Months Results

Version 1 : Received: 4 July 2021 / Approved: 6 July 2021 / Online: 6 July 2021 (08:06:56 CEST)

A peer-reviewed article of this Preprint also exists.

Schlee, M.; Wang, H.-L.; Stumpf, T.; Brodbeck, U.; Bosshardt, D.; Rathe, F. Treatment of Periimplantitis with Electrolytic Cleaning versus Mechanical and Electrolytic Cleaning: 18-Month Results from a Randomized Controlled Clinical Trial. J. Clin. Med. 2021, 10, 3475. Schlee, M.; Wang, H.-L.; Stumpf, T.; Brodbeck, U.; Bosshardt, D.; Rathe, F. Treatment of Periimplantitis with Electrolytic Cleaning versus Mechanical and Electrolytic Cleaning: 18-Month Results from a Randomized Controlled Clinical Trial. J. Clin. Med. 2021, 10, 3475.

Journal reference: J. Clin. Med. 2021, 10, 3475
DOI: 10.3390/jcm10163475

Abstract

Background: this RCT assesses the 18 months clinical outcomes after regenerative therapy of periimplantitis lesions using either an electrolytic method (EC) to remove biofilms or a combination of powder spray and electrolytic method (PEC). Materials and Methods: Twenty-four patients (24 implants) suffering from periimplantitis were randomly treated by EC or PEC followed by augmentation and submerged healing. Probing pocket depth (PPD), Bleeding on Probing (BoP), suppuration and standardized radiographs were assessed before surgery (T0), 6 months after augmentation (T1), 6 (T2) and 12 (T3) months after replacement of the restoration. Results: Mean of PPD changed from 5.8 ± 1.6 mm (T0) to 3.1 ± 1.4 mm (T3). While BoP and suppuration at T0 was 100 % BoP decreased at T2 to 36.8 % and at T3 to 35.3 %. Suppuration could be found 10.6% at T2 and 11.8% at T3. Radiologic bone level measured from the implant shoulder to the first visible bone to implant contact was 4.9 ± 1.9 mm at me-sial and 4.4 ± 2.2 mm at distal sites (T0) and 1.7 ± 1.7 mm and 1.5 ± 17 mm at T3. Conclusions: Significant radiographic bone fill and improvement of clinical parameters were demonstrated 18 months after therapy.

Keywords

peri-implantitis; electrolytic cleaning; air abrasive; augmentation; long term

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