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KMID : 1812220180010010025
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Journal of The Korean Academy of Sports Dentistry
2018 Volume.1 No. 1 p.25 ~ p.29
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Dental pulp regeneration of immature maxillary central incisors after avulsion: case reports
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Kim Mi-Ri
Jih Myeong-Kwan
Lee Sang-Ho
Lee Nan-Young
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Abstract
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Introduction: Avulsion is one of the most severe type of traumatic dental injury with poor prognosis. The purpose of this report is to introduce the cases of pulp regeneration on three pulp necrotized maxillary immature central incisors by avulsion. Case 1: A 8?year?old boy had traumatic injury to #11 and 21, which were avulsed and replanted within 30 minutes. The teeth lost their vitality and underwent pulp regeneration therapy with TAP and PRF?MTA. After 8 months of follow?up, the length of root and apical closure were developed. Case 2: A 8?year?girl had traumatic injury to #11, which were avulsed and replanted within 20 minutes. The tooth became nonvital and underwent pulp regeneration therapy with TAP and PRF?MTA. After 24 months of follow?up, the thickness of root wall was increased, however, there was no sign of ideal root development. Conclusion: In the three avulsed central incisors, only limited satisfactory result was observed after pulp regeneration.
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