Mouth ulcers are small, painful sores that typically heal within 1–2 weeks. Good oral hygiene and avoiding triggers like stress or certain foods can help prevent them. Persistent or frequent ulcers may need medical attention. #rdsdentalcenter #bestdentalclinic #ecr best dental clinic in ecr best doctor for mouth ulcer in chennai chennai dental centre ecr dentist and mouth ulcers dentist or doctor for mouth sores doctor for mouth ulcer near me ecr dental mouth clinic near me mouth ulcer clinic near me mouth ulcer doctors