People today ascribe a number of meanings to the Eye of Horus, including protection, wisdom, and revelation. It is often associated with the Eye of Providence found on US $1 bills and in Freemasonry iconography.
The crown, or visible part of the tooth, forms before the roots do. Eventually, the 20 primary teeth are replaced by 32 permanent teeth. The primary molars are replaced by permanent premolars (also called bicuspids) and the permanent molars come in behind the primary teeth. Most often, the first teeth to emerge are the lower two front teeth (incisors) and the upper and lower first molars, the molars closest to the front of the mouth. They are followed by the upper two front teeth.
Permanent teeth are the set of teeth that we get after the age of 6 years and serve us for the rest of our lives. We have 32 permanent teeth, 16 at each jaw, which are also known as secondary or adult teeth. They form the permanent dentition which is fully completed much later at the age of 17-21 years with the eruption of the third molars (wisdom teeth).