
The Effects of Thumb Sucking and Pacifiers – updated 2018 August 15, 2018 It’s common for babies and children to suck on their thumbs, fingers, or a pacifier. This is a typical practice because it helps children and babies to feel comforted and is a natural reflex for them. However, as natural as this reflex may be for babies and children, it can cause damage to their teeth and mouths if it is carried on for too long. Why Thumb-Sucking? Babies are born with a natural need or urge to suck on something. This instinct is easily apparent as babies explore the world and begin putting everything they can into their mouths. The urge decreases after about 6 months, but lots of babies keep sucking their thumbs or fingers to calm themselves when they’re falling asleep. As they get older, they will also sometimes suck their thumbs when they feel hungry, restless, scared, or tired. Children tend to naturally wean themselves at around age 3, but if the sucking continues...