Salivary periostin levels as a non-invasive biomarker and their clinical correlates among healthy and periodontitis patients—a cross-sectional analytical study - Padalkar, Priyanka; Yadadi, Sunaina Shetty; Vivekanandan, Gopinath; Shetty, Shishir Ram; Andhare, Mangesh; Pashine, Aditi; Vinay, Vineet; Desai, Vijay; Shetty, Raghavendra M. (Frontiers in Dental Medicine, 2025)