Best pediatric dentist in Adambakkam | Thumb Sucking: Impact on Dental Health | Best dental clinic near Velachery Thumb sucking is a natural reflex for babies, but prolonged thumb sucking can lead to dental problems as permanent teeth start to develop. At Dr. Akkshaya Dental & Aesthetics, we help parents understand how this habit can affect their child’s bite alignment and cause issues like overbite or open bite. If thumb sucking continues beyond age 4, it’s important to seek guidance to prevent future complications. Early intervention can help maintain your child’s oral health and proper development.