Ratson T, Peretz B
Department of Paediatric Dentistry, Faculty of Medicine, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel,
Eur Arch Paediatr Dent. 2013 Jun 25. doi: 10.1007/s40368-013-0057-0.
Avulsion is one of the most complicated types of trauma to the teeth. After replantation of an avulsed immature tooth, numerous pulpo-dentinal responses may occur.
This study reports a case of a seven-and-a-half-year-old boy in whom an immature maxillary permanent central incisor was replanted following avulsion due to a fall from a tree, and a bone-like growth was observed in the pulp chamber 6 months after the trauma, with a thin radiolucent line on the inner surface of the dentinal walls. The bone-like structure eventually filled the pulp chamber of the tooth.
FOLLOW-UP: The tooth was followed up 4 years after the replantation with no evidence of pathology.
This case demonstrates an immature avulsed tooth which did not present positive vital signs, but still maintains the potential of survival, and endodontic intervention may not be required. Instead, follow-up visits are recommended as long as there are no pathologic signs, especially in teeth with questionable prognosis.
牙脱位是牙齿创伤中最复杂的类型之一。恒牙未成熟牙脱位再植后，可能会出现多种牙髓-牙本质反应。
本研究报告了一例7岁半男孩的病例，其因从树上跌落导致上颌恒中切牙未成熟牙脱位后进行了再植，外伤6个月后在牙髓腔观察到骨样生长，牙本质壁内表面有一条细的透射线。骨样结构最终充满了患牙的牙髓腔。
再植后4年对该牙进行随访，无病理迹象。
本病例显示，一颗未成熟脱位牙虽未表现出积极的生命体征，但仍有存活潜力，可能不需要牙髓治疗干预。相反，只要没有病理体征，建议进行随访，尤其是对于预后可疑的牙齿。
