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any of the last 4 teeth on each side of the upper and lower jaw; the last of the permanent teeth to erupt (between ages 16 and 21)

any of the last 4 teeth on each side of the upper and lower jaw; the last of the permanent teeth to erupt (between ages 16 and 21)

The aftermost permanent tooth on each side in the maxilla and mandible.

The name popularly given to the third molar, or extreme back tooth, on each side in each jaw, appearing between the ages of seventeen and twenty-five.

See under tooth.