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Oct 30, 2023 · Learn about the types, functions, structure and clinical aspects of the teeth with diagrams, videos and quizzes. The tooth is composed of enamel, dentin, pulp and cementum, and has a crown and a root.
- Content Manager
- 15 min
- 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, their functions, and how many teeth humans have at different stages of life. See diagrams and tables of the teeth names and ages of eruption.
- Beth Sissons
Learn about the different types of teeth, their parts, and how they work. Explore the interactive 3-D diagram and find out about common tooth conditions and their symptoms.
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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. The roots of teeth are embedded in the maxilla (upper jaw) or the mandible (lower jaw) and are covered by gums.
Jul 5, 2023 · Learn about the thirty-two teeth in adult dentition, their numbering systems, and their main parts: crown, pulp chamber, neck, root, and root canal. Find out how they are supplied by arteries and nerves from the maxillary and mandibular branches of the trigeminal nerve.
- Medical Content
- 17 min
Jan 26, 2023 · Learn about the structure, function and types of human teeth, and how to keep them healthy. Find out how teeth are numbered, what they're made of and what conditions can affect them.
Jul 10, 2020 · Learn about the different types of teeth, their functions, and their cross-sectional and surface anatomy. Find out how to deal with dental emergencies, such as tooth avulsion, and how to prevent enamel erosion and tetracycline staining.
