Thumb-sucking is a natural reflex for children. Sucking on thumbs, fingers, pacifiers or other objects may make babies feel secure and happy and help them learn about their world. Young children may also suck to soothe themselves and help them fall asleep. However, after the permanent teeth come in, sucking may cause problems with the proper growth of the mouth and alignment of the teeth. Pacifiers can affect the teeth essentially the same ways as sucking fingers and thumbs, but it is often an easier habit to break.The intensity of the sucking is a factor that determines whether or not dental problems may result. Some aggressive thumb-suckers may develop problems with their baby teeth. Children usually stop sucking between the ages of two and four years old, or by the time the permanent front teeth are ready to erupt. If you notice changes in your child’s primary teeth, or are concerned about your child’s thumb-sucking, consult your dentist.
