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intrusion |
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intrusion [in·tro̅o̅′zhən] Etymology: L, intrudere, to push or force in an orthodontic technique of depressing a tooth back into the occlusal plane or attempting to prevent its eruption or elongation during correction of an excessive overbite. Compare extrusion (def. 3). intrusion, n a depression; an inward projection. intrusion an orthodontic procedure in which a tooth is made to move further into the alveolus. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| nbsp;enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). nbsp;enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). nbsp;enormous mass of intrusive igneous rock, that is, rock made of once-molten material that has solidified below the earth's surface (see rock). |
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