tusk

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tusk

the well-developed canine tooth in the male pig and similar large projecting teeth in some wild species. They are open-rooted so that they continue to grow. The upper and lower ones in the pig have growth directions that brings them together in such a way that they sharpen each other as the jaws move. Elephant tusks are modified incisor teeth, with the ivory being dentine.
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Therefore, the history of activity in this area suggests that any overall appraisal of quality of life should centrally focus on the consumer's perception of his or her well being in areas regarded as important by him or her (Cella & Tusky, 1993).