The Teeth

“Smile while you still have teeth.”

Teeth are a significant part of your body; they help you to use your mouth for eating, smiling, talking as well as they gave shape to your face.

The primary function of teeth is to break down food items. They cut and crush food items to prepare them for swallowing and digesting.

Layers of Teeth

Your teeth are consisting of different layers which are as follows:

Teeth Diagram
teeth

Author: K. D. Schroeder
Human tooth diagram-en.svg from Wikimedia Commons
License: Creative Commons Attribution-ShareAlike 4.0

Enamel

Enamel is the first layer of your tooth; it is the hardest, white outer part of the tooth. This layer is composed of a rock-hard mineral, calcium phosphate.

Dentin

The second layer, dentin is underlying the first layer, enamel. It is a hard tissue that carries microscopic tubes. When your enamel is damaged, heat or cold can get into the tooth through these tubes, which give rise to sensitivity or pain.

Pulp

The pulp is the softer layer of the teeth. It is part of the inner structure of the teeth. The pulp chamber contains blood vessels and nerves and manages their actions.

Cementum

The layer contains connective tissue that connects the roots of the teeth firmly to the gums and jawbone.

Periodontal ligament

It is a tissue that keeps the teeth fixed against the jaw.

Difference Between Male and Female Teeth

Male teeth structure slightly varies from female teeth. Male jaws are larger on average than females. Both genders have distinct internal dental tissue proportions too, such as male teeth consist of more dentine, whereas female teeth comparatively have more enamel.

Types of Teeth

Humans teeth are of following types:

Incisors

The front teeth of your mouth are incisors. Children and adults both have eight incisors. They are the sharp ones, among other teeth. Incisors used to bite into the food items and cut them into chewable pieces. They are flat in a structure having a thin edge. These teeth are also known as anterior teeth.

Canines

The canines are positioned at the corners of your dental arches. Children and adults both have four canines. The other names for canines are cuspids or eyeteeth. These are the longest of all the teeth having a sharp, pointed biting surface. Their core function is to grip and tear food items.

Premolars

Premolars reside next to canines. They are also called bicuspids. Adults have eight premolars although children do not have premolar teeth. Premolars are bigger as compared to the incisors and canines; they have multiple ridges and are utilized in chewing and grinding process.

To be continued …

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