STRUCTURE OF TOOTH

 STRUCTURE OF TOOTH

The human tooth is mainly divided into three regions

1. Crown

2. Neck

3. Root

1.Crown

The crown is upper or covers the tooth.
Crown is made up of enamel.
Enamel is hardest substance of body.
Below the enamel dentine is present.

Dentine
Dentine is made up of hard substance like bone.
Dentine make major part of tooth.

Pulp cavity
Pulp cavity present inside the dentine.
It's a jelly like part. It's supply with blood vessels,nerve fiber.

2. Neck
It's short portion near the gumline.

3. Root
It's surrounded by jaw bone.
It holds tooth firmly in jaw bone.

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Types of teeth categorised into

Attachment -
• Thecodont
• Plerodont
• Acrodont

Sets of teeth -
• Monophyodont
• Diphyodont

Shape of teeth -

• Homodont
• Heterodont