Mindblown: a blog about philosophy.
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Enamel
The crown of each tooth is covered with enamel, which protects the underlying dentine. Enamel is the hardest substance in the human body, even harder than bone. Enamel is the only tissue that has no living cells. Because it is not alive, it can’t repair itself from decay or damage.
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Crown, Root and Neck
The tooth has two anatomical parts, the crown and the root. The crown is the top part that is exposed and visible above the gum (gingiva). It is covered with enamel, which protects the underlying dentine. The root of a tooth descends below the gum line anchoring the tooth in the mouth. The neck is the dividing region of tooth at…
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What are my child`s teeth made of?
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Children`s teeth:
Children’s deciduous teeth are also called baby, milk or primary teeth. They are the first set of teeth we receive and will eventually fall out and be replaced with a second set. When do the first teeth start coming through? Primary teeth start to form when the baby is in the womb, but start to…
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Alveolar bone
The alveolar bone is the jaw bone that surrounds and supports the root of the tooth. It contains the tooth sockets within which the tooth roots are embedded.
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Apical Foramen
The apical foramen is the tiny opening at the tip of each root. This is what blood vessels and nerves from surrounding outside tissue pass through to enter the tooth.
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Accessory Canal
Accessory canals are smaller channels that branch off from the main root canal through the dentine to the periodontal ligament. They are usually found near the root end of the tooth (apex). They supply blood vessels and nerves to the pulp.
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Periodontal Ligament
The periodontal ligament is comprised of bundles of connective tissue fibres. One end of each bundle is attached to the cementum covering the root of the tooth. The fibres on the other end anchor the tooth root to the jaw (alveolar) bone and act as shock absorbers, allowing the tooth to withstand the forces of…
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Root Canal/ Pulp Canal
The root canal (also called the pulp canal) is the open space inside the root where the pulp extends from the pulp chamber. Blood vessels and nerves from surrounding outside tissue enter the pulp through the root canal.
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Cementum
The cementum is a layer of hard tissue that covers the root of the tooth. It is roughly as hard as bone but considerably softer than enamel. The connective tissues attach to the periodontal ligament, and through this bind the roots of the tooth to the gums and jaw (alveolar) bone.
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