The Committee on the Status of Endangered Species, a federal advisory group, has created a list of 340 animals and plants that are in some jeopardy. Here are the categories the committee uses: Extinct  The species no longer exists in Canada.
The front teeth are called incisors, You have four incisors on the top jaw and bottom jaw. the central incisors (the front two teeth) the lateral incisors (the teeth on either side of the central incisors) they have multiple functions. your smile, having a full set of teeth will give you an even smilwe.
For the front teeth, the area closest to the lips is called the labial surface. For the back teeth (molars and premolars), the area that faces the cheeks is called the buccal surface, and the biting (chewing) area is called the occlusal surface. There are different types of permanent teeth, each of which performs a specific function. Central Incisors: The central incisors are the front teeth.