Children who suck their thumb, fingers or pacifier can develop problems with the roof of their mouth and how their teeth come together. Most children stop between ages 2 and Thumb sucking should stop before the child's permanent teeth start coming in.
Dental Lesson- Let students eat an Oreo and an apple slice. After each snack, let students look in a mirror and investigate which snack leaves their teeth cleaner. A healthier version, we used homemade blueberry pie filling