CAVITY WARNING SIGN YOU SHOULD NOT IGNORE, ROOTZ DENTAL CARE NAVALUR. Tooth Sensitivity – Discomfort when consuming hot, cold, or sweet foods. Persistent Toothache – Pain that comes and goes or worsens over time. Visible Holes or Pits – Small craters or dark spots on your teeth. Brown, Black, or White Spots – Discoloration on the tooth surface. Pain While Chewing or Biting – Discomfort when applying pressure. Bad Breath or Persistent Bad Taste – Caused by bacteria in decayed areas. Swollen or Bleeding Gums – Can indicate advanced decay. Cracked or Broken Teeth – Weakening of the tooth structure due to decay.ROOTZ DENTAL CARE NAVALUR .