Continuous Improvement at a 1-Year Reevaluation Following Nonsurgical Periodontal Therapy in Pockets ≥ 6 mm: A Retrospective Analysis in Nonsmokers. - Roncati M; Nava P; Sabri H; Parma-Benfenati L; Kumar PS (The International journal of periodontics & restorative dentistry, 2026)