Best dentist in Adambakkam | What Your Tongue Can Tell About Your Health Your tongue is more than just a tasting tool — it’s a window to your overall health. A coated tongue may signal poor oral hygiene or dehydration. Red or swollen tongues could point to vitamin deficiencies or infections. White patches might indicate oral thrush or lichen planus. Cracks, soreness, or discoloration shouldn’t be ignored. At Dr. Akkshaya Dental & Aesthetics, we examine your tongue during every dental check-up to catch early signs of systemic and oral issues. A healthy mouth often means a healthier body!