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Learn about the four types of teeth in humans: incisors, canines, premolars and molars, and their functions and diagrams. Also, find out about wisdom teeth, diphyodonts and polyphyodonts in vertebrates.
- 185 min
- Teeth are classified into four types: Incisors Canines Premolars. Molars
- The incisors are the teeth at the front of the mouth and are responsible for tearing chunks and pieces of food.
- Often called the third molar, the wisdom teeth usually appear between the age of 18 to 25.
- Humans are diphyodonts, which means that we possess two successive sets of teeth in our lifetime – the milk teeth and permanent teeth. Children usu...
- Incisors
- Canines
- Premolars
- Molars
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Incisors are the sharp teeth at the front of the mouth that bite into food and cut it into smaller pieces. They are flat with a thin edge. They are also called anterior teeth. Both children and adults have eight incisors— four central incisors at the front of the mouth, two on each row, with one lateral incisor positioned on either side of them.
Canines are the sharp, pointed teeth that sit next to the incisors and look like fangs. Dentists also call them cuspids or eyeteeth. Canines are the longest of all the teeth, and people use them to tear food. Both children and adults have four canines. Children usually get their first permanent canines between the ages of 9 and 12. The lower canine...
Premolars, or bicuspids, are bigger than the incisors and canines. They have many ridges and help chew and grind up food. Adults have eight premolars. The first and second premolars are the molars that sit next to the canines. Young children do not have premolar teeth. These first appear as permanent teeth when children are 10–12 years old.
Molars are the biggest of all the teeth. They have a large, flat surface with ridges that allow them to chew food and grind it up. Adults have 12 permanent molars — six on the bottom and top jaw, and children have eight primary molars. The last molars to erupt are wisdom teeth, or third molars, which usually come through between the ages of 17–21. ...
Learn about the different types of teeth in humans, their functions, and how many teeth people have at different ages. Find out the names, diagrams, and ages of eruption for incisors, canines, premolars, and molars.
- Beth Sissons
Humans have four types of teeth: incisors, canines, premolars, and molars, which each have a specific function. The incisors cut the food, the canines tear the food and the molars and premolars crush the food.
Jan 26, 2023 · Learn about the four types of permanent teeth in humans: incisors, canines, premolars and molars. Find out how they function, what they're made of and how to keep them healthy.
Aug 28, 2017 · Learn about the development, structure, and function of your teeth, from incisors to wisdom teeth. Find out how to keep your teeth healthy and prevent dental problems.
May 10, 2018 · Learn the names and functions of the four types of teeth in adults and children: incisors, canines, premolars, and molars. Find out when each type of tooth grows in and out, and how to keep them healthy.
Jul 5, 2023 · Learn about the four types of teeth in adult dentition (incisors, canines, premolars, molars) and their numbering systems. Find out the main parts of a tooth, the blood supply and nerve supply of the teeth, and the difference between deciduous and permanent teeth.
