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J Am Dent Assoc. 2005 Mar;136(3):337-41.

Root resorption and ankylosis associated with guided tissue regeneration.

Author information

1
Department of Oral Pathology, University of São Paulo, School of Dentistry, Brazil. curyp@usp.br

Abstract

BACKGROUND:

Root resorption and ankylosis have been reported rarely as sequelae to guided tissue regeneration (GTR). The authors describe a clinical case of root resorption following GTR that involved the use of a bioabsorbable membrane.

CASE DESCRIPTION:

Two years after GTR was performed on a Class II furcation defect, the clinical examination revealed root resorption reaching the pulp chamber. The furcation defect was filled with epithelium and connective tissue, which contained inflammatory infiltrate and fragments of the membrane. The authors also observed areas of the tooth that exhibited points of ankylosis and root resorption.

CLINICAL IMPLICATIONS:

Clinical trials have reported favorable clinical and histologic results with GTR. However, this case report, along with other case reports and studies in animals, suggests a high risk of root resorption and ankylosis after GTR, which could limit the indications for this technique.

PMID:
15819347
[Indexed for MEDLINE]

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