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Four Types of Teeth

Four Types of Teeth

A tooth (plural teeth) is a hard, calcified structure found in the mouth of many vertebrates used to break down food. Teeth not only help in chewing food for further digestion but they also help in pronouncing words and improve your speech.

Broadly there are four types of teeth in the oral cavity.

First comes, the ‘incisors’, narrow-edged teeth at the front of the mouth, adapted for cutting. There are eight incisor teeth located in the front part of your mouth. You have four of them in your upper jaw and four in your lower jaw. Incisors are shaped like small chisels. Incisors are sharp and pointed making them suitable to bite, chop, and cut your food. On an average, incisors are 9.10 to 9.24 mm long.

Incisors, are then followed by the canines (also known as cuspid, dog teeth, eye teeth or fangs), which play a major role in cutting and tearing food. There are four canines in the oral cavity, two in the maxillary arch and two in the mandibular area.  These are single rooted and have a pointed cusp. These are the largest and the sharpest in your body.

The canines are further followed by the premolars (or bicuspids). The main function of premolars is to assist the canines in regard to tear and pierce the food and supplement grinding during mastication. There are eight premolars in the oral cavity, that is, two in each quadrant of human mouth. Your premolars are wide, uneven, and have an occlusal surface. Colloquially, it is diamond shaped with pits and trenches. Your premolars are around 0.7 mm in size. These are transitional teeth between canines and the molar teeth. The premolars usually have two cusps and a single root.

Lastly, the molars are located at the rear part of your mouth. There are eight molars in your mouth, which help in chewing, grinding, and clenching food. The most posterior teeth in the mouth are the molars. They usually have four to five cusps, rectangular shaped with pits, and fissures on it. The occlusal surface of the molar teeth is wide and even.

Teeth can be recognized and analyzed by a ‘numbering system’ which helps to enhance communication and improve efficiency among dental professionals.

Various countries have their own specific numbering system. For an instance, Australia uses the two digit FDI dental numbering system while UK uses the palmer notation method.

A tooth (plural teeth) is a hard, calcified structure found in the mouth of many vertebrates used to break down food. Teeth not only help in chewing food for further digestion but they also help in pronouncing words and improve your speech.

Broadly there are four types of teeth in the oral cavity.

First comes, the ‘incisors’, narrow-edged teeth at the front of the mouth, adapted for cutting. There are eight incisor teeth located in the front part of your mouth. You have four of them in your upper jaw and four in your lower jaw. Incisors are shaped like small chisels. Incisors are sharp and pointed making them suitable to bite, chop, and cut your food. On an average, incisors are 9.10 to 9.24 mm long.

Incisors, are then followed by the canines (also known as cuspid, dog teeth, eye teeth or fangs), which play a major role in cutting and tearing food. There are four canines in the oral cavity, two in the maxillary arch and two in the mandibular area.  These are single rooted and have a pointed cusp. These are the largest and the sharpest in your body.

The canines are further followed by the premolars (or bicuspids). The main function of premolars is to assist the canines in regard to tear and pierce the food and supplement grinding during mastication. There are eight premolars in the oral cavity, that is, two in each quadrant of human mouth. Your premolars are wide, uneven, and have an occlusal surface. Colloquially, it is diamond shaped with pits and trenches. Your premolars are around 0.7 mm in size. These are transitional teeth between canines and the molar teeth. The premolars usually have two cusps and a single root.

Lastly, the molars are located at the rear part of your mouth. There are eight molars in your mouth, which help in chewing, grinding, and clenching food. The most posterior teeth in the mouth are the molars. They usually have four to five cusps, rectangular shaped with pits, and fissures on it. The occlusal surface of the molar teeth is wide and even.

Teeth can be recognized and analyzed by a ‘numbering system’ which helps to enhance communication and improve efficiency among dental professionals.

Various countries have their own specific numbering system. For an instance, Australia uses the two digit FDI dental numbering system while UK uses the palmer notation method.

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