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11 Απρ 2024 · Overview of Tooth Anatomy. Teeth are important for breaking down food before we swallow it. In the tooth anatomy, we can find four types of teeth, each with a different job. Incisors cut food, canines tear it, and molars and premolars crush it. Most people have 32 teeth, but that can vary.
30 Οκτ 2023 · Underneath this tough exterior lies a second softer layer, that is slightly darker in colour and is known as the dentin. This is the capsule that separates the hard outer tissue from the soft and fragile pulp cavity which is the most inner layer of the tooth and contains the blood vessels and nerves of the tooth.
7 Φεβ 2022 · The primary dentition is composed of 20 teeth, with 10 in each arch. There are five teeth in each quadrant, composed of two incisors (central and lateral), a canine, and two molars. These teeth are referred to as letters A, B, C, D and E. The primary teeth begin to erupt at 6 months of age.
Dentine is a yellow bone-like material. It is softer than the enamel, but also very hard. Dentine consists of tubules (small tubes) with fluid inside, which help to transmit senses to the nerve. Dentine supports the enamel of the teeth and protects the innermost part of the tooth, called the pulp.
24 Ιουν 2016 · Dentin: The dentin, which is between the enamel and the cementum, is less mineralized than the enamel and less brittle. It acts as another level of protection for the pulp, and support for the crown. Pulp: The soft inner part of the tooth. It contains blood vessels, connective tissue, and nerves.
30 Οκτ 2023 · Dentinum. 1/7. Synonyms: Dentine. Dentin is the calcified connective tissue which forms the bulk of the tooth, providing it with its basic shape and rigidity. It is tougher than bone, and has a higher hydroxyapatite content, which constitutes about 70% of its dry weight.
9 Ιουν 2023 · The second layer is dentin, which is softer than enamel, and the deepest layer inside the tooth is pulp, which consists of nerves and blood vessels. Cementum is on the root of the tooth and is ...
