Two-year clinical outcomes following non-surgical mechanical therapy of peri-implantitis with adjunctive diode laser application.

Mettraux, Gérald; Sculean, Anton; Bürgin, Walter Bruno; Salvi, Giovanni Edoardo (2016). Two-year clinical outcomes following non-surgical mechanical therapy of peri-implantitis with adjunctive diode laser application. Clinical oral implants research, 27(7), pp. 845-849. Wiley-Blackwell 10.1111/clr.12689

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BACKGROUND

Non-surgical mechanical therapy of peri-implantitis (PI) with/without adjunctive measures yields limited clinical improvements.

AIM

To evaluate the clinical outcomes following non-surgical mechanical therapy of PI with adjunctive application of a diode laser after an observation period ≥2 years.

MATERIAL AND METHODS

At baseline (BL), 15 patients with 23 implants with a sandblasted and acid-etched (SLA) surface diagnosed with PI were enrolled and treated. PI was defined as presence of probing pocket depths (PPD) ≥5 mm with bleeding on probing (BoP) and/or suppuration and ≥2 threads with bone loss after delivery of the restoration. Implant sites were treated with carbon fiber and metal curettes followed by repeated application of a diode laser 3x for 30 s (settings: 810 nm, 2.5 W, 50 Hz, 10 ms). This procedure was performed at Day 0 (i.e., baseline), 7 and 14. Adjunctive antiseptics or adjunctive systemic antibiotics were not prescribed.

RESULTS

All implants were in function after 2 years. The deepest PPD decreased from 7.5 ± 2.6 mm to 3.6 ± 0.7 mm at buccal (P < 0.0001) and from 7.7 ± 2.1 mm to 3.8 ± 0.9 mm at oral sites (P < 0.0001), respectively. The % of implants with ≥1 site with BoP decreased from 100% at BL to 43% after 2 years (P = 0.0002). The % of implants with suppuration decreased from 87% at BL to 0% after 2 years (P < 0.0001).

CONCLUSION

Non-surgical mechanical therapy of PI with adjunctive repeated application of a diode laser yielded significant clinical improvements after an observation period of at least 2 years.

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