NCT06669026 - The Proposed Study Aims to Investigate the Impact of Adjunctive Vitamin D Gel Application on Gingival Crevicular Fluid Levels of Alkaline Phosphatase and Interleukin-8 in Periodontitis Patients Undergoing Phase 1 Periodontal Therapy. By Elucidating the Molecular Mechanisms Underlying the Therapeutic | Crick | Crick