Salivary proteins, proteases, and disease pathophysiology in oral health and precision diagnostics: a narrative review - Viorica Rarinca; Cătălina Ionescu; Malina Visternicu; Alin Ciobica; Ionela Vlasie; Anca Trifan; Vasile Burlui; Ancuta Andreea Miler; Andrei Luca; Otilia Novac; Bogdan Novac (Frontiers in Dental Medicine, 2026)