Explain the functions and numbers of different types of teeth of human being
Answers
the different types of teeth are:
- incisors- 4 in each jaw they help in cutting the food we eat
- canines-2 in each jaw helps us in tearing the food
- premolars-4 in each jaw helps us in grinding the food
- molars- 6 in each jaw helps us in grinding and chewing the food
hope this helps
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Teeth assist animals in obtaining food and breaking it down for efficient digestion. Animals who lose their teeth are generally unable to ingest enough nutrients to survive.
The specific mechanical functions that teeth must perform depends on the animal’s food source. The animal may need to pierce skin and tear meat, grind up fibrous vegetables, or do some combination of the two.
Predators often boast sharp, pointed or even serrated teeth to assist them in taking down prey and eating raw meat.
Herbivores have long, sharp incisors at the front of their mouths to assist in cutting bite-sized pieces off of plants and well as molars with broad, textured surfaces in the back of the mouth which grind and break down plant matter for easier digestion by the stomach.
The incisors at the front of the mouth have a sharp biting surface and are used for cutting or shearing food into small chewable pieces. There are eight incisors in both primary and permanent dentitions.
The canines are situated at the 'corners' of the dental arches. They have a sharp, pointed biting surface. Their function is to grip and tear food. There are four canine teeth in both primary and permanent dentitions.
The premolars, unlike the incisors and canines, have a flat biting surface. Their function is to tear and crush food. They are unique to the permanent dentition which has eight premolars.
The molars are the largest of the teeth. They have a large flat biting surface. The function of the molars is to chew, crush and grind food. There are eight molars in the primary dentition and twelve in the permanent dentition