Abd Alhussien, A. A.; Mahmood, M. S. Impact of Nonsurgical Periodontal Therapy (NSPT) on Salivary Osteonectin and Osteopontin Levels in Smokers and Nonsmokers Periodontitis Patients: A Prospective Clinical Study. Al-Rafidain J Med Sci 2025, 8, 102-108.