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J Endod. 2013 Mar;39(3):417-20. doi: 10.1016/j.joen.2012.10.005. Epub 2012 Nov 10.

Pulp revascularization after root canal decontamination with calcium hydroxide and 2% chlorhexidine gel.

Author information

1
Department of Restorative Dentistry, Endodontics Area, State University of Campinas-UNICAMP, Piracicaba, São Paulo, Brazil. ajsoares.endo@uol.com.br

Abstract

INTRODUCTION:

Pulp revascularization may be considered a promising alternative for necrotic immature teeth. Many studies have accomplished passive decontamination associated with an antibiotic paste. To date, there is no report evaluating calcium hydroxide associated with 2% chlorhexidine gel for revascularization therapy. The aim of this case report was to describe a new proposal for pulp revascularization with mechanical decontamination and intracanal medication composed of calcium hydroxide and 2% chlorhexidine gel.

METHODS:

The patient, a 9-year-old girl, suffered an intrusion associated with pulp exposure caused by an enamel-dentin fracture in her maxillary left central incisor. After diagnosis, treatment consisted of revascularization therapy with gentle manual instrumentation of the cervical and medium thirds of the root in addition to intracanal medication with calcium hydroxide and 2% chlorhexidine gel for 21 days. In the second session, a blood clot was stimulated up to the cervical third of the root canal. Mineral trioxide aggregate (MTA; Angelus, Londrina, Paraná, Brazil) was used for cervical sealing of the canal. Coronal sealing was performed with temporary filling material and composite resin.

RESULTS:

During the follow-up period, the root canal space showed a progressive decrease in width, mineralized tissue deposition on root canal walls, and apical closure. A cone-beam computed tomography scan taken at the 2-year follow-up confirmed these findings and did not show complete root canal calcification.

CONCLUSIONS:

This new proposal for revascularization therapy with 2% chlorhexidine gel may be used for the treatment of necrotic immature root canals.

PMID:
23402520
DOI:
10.1016/j.joen.2012.10.005
[Indexed for MEDLINE]
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