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KMID : 0358920060330030522
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Journal of the Korean Academy of Pedodontics
2006 Volume.33 No. 3 p.522 ~ p.528
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PROGNOSIS OF THE SURGICALLY REPOSITIONED MAXILLARY CENTRAL INCISOR IN INTRUSIVE INJURY
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Min Sung-Jin
Ryu Jeong-Ah
Choi Hyung-Jun
Kim Seong-Oh
Lee Jae-Ho
Choi Byung-Jai
Son Heung-Kyu
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Abstract
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When tooth is displaced within the alveolar bone, it could apply pressure and rupture the apical vessels. Pulpal reaction in such case is affected by the stage of root formation, amount of intrusion and pulpal infection. Determining the need of pulp treatment depends on the pulp vitality. Therefore, periodic vitality tests, coronal color changes and radiographic root resorption signs should be observed through periodic post-trauma follow-up. Pulp necrosis, pulp canal obliteration, external root resorption, root ankylosis and marginal bone loss could result from periodontal injuries. Negative sign changes from positive signs of vitality tests suggest pulp necrosis. In this case, pulp treatment should be held before root resorption occurs. By comparing the following two cases, complications of intrusion and factors producing them could be confirmed, thus we propose to report these two cases.
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KEYWORD
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Intrusion, Pulp vitality, Pulp necrosis, Root resorption
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