We have two sets of teeth. Initially, we have 20 baby teeth. Baby teeth are also known as primary teeth. These baby teeth will exfoliate and be replaced by 32 permanent teeth. There is no replacement if we lost our permanent teeth. Some people may have more or less teeth compared to the norm. This occurrence is usually genetically inherited.
Tooth eruption refers to emergence of tooth from its developmental position in the jaw to its functional position in the oral cavity. A tooth erupts when its root starts to grow. As its root becomes longer, the force pushes the tooth out of the gums. Continue reading