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Teeth, Part of a tooth, Teeth are important because...., Deciduous teeth,…
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Part of a tooth
- The root of the tooth is 'planted' into the jawbone to keep the tooth steady while it is doing its job cutting, tearing , crushing and chewing.
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- Dentine, is a second protective layer covering the nerve of the tooth.
- Pulp,(also called the nerve) is the soft middle of the tooth that has a blood supply and nerve endings.
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Permanent teeth
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They begin growing through your gums from about 6 years and all 32 finished into your mouth by about 18-25 years.
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