Two-year outcomes following the adjunctive use of InGaAsP and Er,Cr:YSGG lasers in nonsurgical periodontal therapy in patients with stages III and IV periodontitis.

Ciurescu, Codruta Elena; Gutknecht, Norbert; Ciurescu, Vlad Alexandru; Gheorghiu, Anca; Franzen, Rene; Arweiler, Nicole B; Sculean, Anton; Cosgarea, Raluca (2021). Two-year outcomes following the adjunctive use of InGaAsP and Er,Cr:YSGG lasers in nonsurgical periodontal therapy in patients with stages III and IV periodontitis. Quintessence international, 52(10), pp. 848-857. Quintessenz 10.3290/j.qi.b1702285

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OBJECTIVE

To evaluate the clinical outcomes 2 years after the adjunctive use of an InGaAsP diode and Er,Cr:YSGG laser for nonsurgical treatment of severe periodontitis.

METHOD AND MATERIALS

Forty-two patients (45.31 ± 9.78 years old, n = 22 females, n = 23 smokers) with stage III or IV grade B periodontitis were randomly treated either with laser (InGaAsP + Er,Cr:YSGG) adjunctive to subgingival debridement (test group, n = 21) or with subgingival debridement alone (control group, n = 21). Subjects in the test group received a second laser treatment in residual sites 2 months after the initial laser therapy. At baseline, and at 12 and 24 months after therapy, periodontal clinical parameters were evaluated. The primary outcome variable was the number of residual deep sites at 12 months (probing depth [PD] ≥ 6 mm).

RESULTS

One and two years after nonsurgical periodontal treatment, both groups yielded statistically significant clinical improvements. The adjunctive use of InGaAsP and Er,Cr:YSGG laser to mechanical debridement resulted in statistically significantly higher clinical (PD, clinical attachment level, bleeding on probing, number of sites with PD ≥ 5 mm, PD ≥ 6 mm, PD ≥ 7 mm) improvements (P < .05) compared to subgingival debridement alone both at 12 and 24 months after therapy.

CONCLUSION

In patients with stage III or IV grade B periodontitis, InGaAsP and Er,Cr:YSGG used adjunctively to subgingival debridement may additionally improve the clinical outcomes compared to mechanical debridement alone over a period of 24 months.

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