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Abstract Aim To evaluate an additional mechanical approach, a titanium brush, in the implant surface decontamination performed during the regenerative surgical therapy of peri‐implantitis. Material and Methods A randomized double‐blinded clinical trial, with a 1‐year follow‐up, was carried out. After a hygienic phase, peri‐implantitis‐affected implants were randomly assigned to a control or to a test group. In the control group, implant surface was decontaminated both mechanically and chemically with 3% H 2 O 2 and plastic ultrasonic scalers, respectively, while in the test group, a titanium brush was also applied. Intrabony defects in both groups were filled with an alloplastic material (β‐tricalcium phosphate and hydroxyapatite) and covered with a collagen membrane. The primary outcome was the reduction in probing pocket depth ( PPD ) at the deepest site. Results Thirty patients were included, 15 in each group. At 12 months, reduction in PPD was 4.87 (standard deviation SD 1.55) mm and 2.85 ( SD : 1.91) mm, respectively ( p = 0.009). The correspondent figures for residual PPD were 3.6 ( SD : 0.91) and 4.92 ( SD : 1.26) mm, respectively ( p = 0.007). Conclusions The additional use of a titanium brush during regenerative treatment of peri‐implantitis resulted in statistically significant benefits in terms of PPD reduction after 12 months.
Tapia et al. (2019) studied this question.