The mouth, long understood as a mirror of the body's broader health, offers signals that most people learn to ignore — small shifts in sensation, color, or comfort that seem too minor to mention. Dentists across the country are urging a different posture: that these quiet changes, precisely because they arrive before pain, are the moments when intervention matters most. Five specific symptoms — altered bite, persistent bleeding, chronic bad breath, worsening sensitivity, and unhealing oral lesions — are being identified not as emergencies, but as early invitations to act while outcomes can sti