Replantation of 45 avulsed permanent teeth: a 1-year follow-up study

Authors: Chappuis, Vivianne; von Arx, Thomas

Source: Dental Traumatology, Volume 21, Number 5, October 2005 , pp. 289-296(8)

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Abstract:

Chappuis V, von Arx T. Replantation of 45 avulsed permanent teeth: a 1-year follow-up study. Dent Traumatol 2005; 21: 289–296. © Blackwell Munksgaard, 2005. Abstract –

Thirty-four patients with 45 avulsed and replanted permanent teeth were followed for 1 year. All teeth were soaked in tetracycline before replantation. In addition, enamel matrix derivative was used in teeth with dry storage times exceeding 30 min. Splinting was carried out with a non-rigid titanium splint and was limited to 7–10 days. Within that period, root canal treatment was begun in all teeth with a closed apex, whereas teeth with an open apex and ideal post-traumatic storage were not instrumented. All patients were given tetracycline systematically for 10 days. The survival rate of replanted avulsed permanent teeth was 95.6% at the 1-year follow-up. In 82.2%, root canal treatment was performed. Pulp survival was never observed, but three teeth had pulp canal obliteration. Normal periodontal healing was observed in 57.7% of teeth; 42.3% of teeth showed external root resorption (28.9% replacement resorption, 6.7% infection-related resorption, 6.7% surface resorption). The occurrence of replacement resorption correlated with the period of extraoral dry storage. Compared with other clinical studies on avulsed and replanted teeth, the present study reports a higher percentage of periodontal healing. The favorable treatment outcome may be associated with a strict protocol to enforce endodontic treatment, the use of topical and systemic tetracycline, and the relatively high number of ideally stored teeth following avulsion. In contrast, the present study has a follow-up period limited to 1 year.

Keywords: avulsion; replantation; periodontal healing; pulpal healing

Document Type: Research article

DOI: http://dx.doi.org/10.1111/j.1600-9657.2005.00330.x

Publication date: 2005-10-01

Replantation of 45 avulsed permanent teeth: a 1-year follow-up study

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