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Albadri S, Zaitoun H et al. Int J Paediatr Dent 2010; 20: 1–2

This is a concise and authoritative guideline. As intrusion of permanent teeth is a rare occurrence, there is a lack of agreement as to how this should be managed. There are the following three approaches: 1) passive repositioning, 2) immediate surgical repositioning and 3) orthodontic repositioning. Passive repositioning is indicated for teeth with incomplete root development. Immediate surgical repositioning is carried out when there is complete root development and there is moderate (3-6mm) to severe (<6mm) intrusion. Root canal treatment, two weeks after injury, is 'often indicated' in those teeth with complete root formation. Antibiotics are only indicated if there is associated hard or soft tissue contamination. There is a significant risk of root resorption in those permanent teeth that have been intruded.