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Dental Terminology
Oral Structures
Question | Answer |
---|---|
Primary Teeth | the first 20 teeth of life which will be replaced by permanent teeth. |
Permanent Teeth | the 32 teeth of the adult which are designed to last a lifetime. |
Enamel | the hardest substance in the body which covers the crown of the tooth. |
Dentin | bone like substance which makes up the bulk of the tooth and surrounds the pulp. |
Pulp | nerves and blood vessels of the tooth |
Crown | part of the tooth covered with enamel and normally visible in the mouth. |
Root | part of the tooth which holds the tooth in the socket. |
Apex | tip of the root |
Gingiva | tissue which surrounds the tooth and covers the bone. |
Gingival | Space between the tooth and the gingival. |
Frenum | band of tissue which connects moveable tissue to stationary tissue/ attaches lip to gums. |
Mandible | lower jawbone; the only moveable bone in the skull. |
Maxilla | upper jawbone |
Arch | the arrangement of teeth. |
Quadrants | the imaginary division of the mouth into four parts (one half of an arch) |
Cusp | a pointed round eminence on the crown of the tooth. |