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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN:
Vol. 13, No. 1, 2014, pp. 70-75
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Bioline Code: os14014
Full paper language: English
Document type: Research Article
Document available free of charge
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Brazilian Journal of Oral Sciences, Vol. 13, No. 1, 2014, pp. 70-75
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In Vivo study of an intracanal dressing of calcium hydroxide/chlorhexidine in necrotic primary teeth
Oliveira Gondim, Juliana; Neto, José Jeová Siebra Moreira; Gomes, Débora Aline Silva; Azevedo, Elcilaine Rizzato; Jeremias, Fabiano & Giro, Elisa Maria Aparecida
Abstract
Aim: To evaluate the clinical and radiographic success of endodontic treatment in human primary
teeth with necrotic pulp with and without radiographically visible furcal/periapical lesion treated
with a calcium hydroxide (CH) and chlorhexidine (CHX) intracanal dressing. The tested hypothesis
was that there is no difference in the clinical and radiographic success in primary teeth medicated
with CH pastes prepared with polyethylene glycol (PEG) or CHX. Methods: Thirty-two teeth
with necrotic pulp were used in this randomized clinical study: 12 without and 20 with lesion.
Canals were prepared and medicated with CH pastes with polyethylene glycol (CH/PEG) (n=16)
or 2% CHX gel (CH/CHX) (n=16). Definitive filling was done after 30 days. The teeth were
clinically and radiographically examined during 12 months to determine the success of the
endodontic therapy. Data from clinical and radiographic examination of the initial condition and 12
months after treatment were compared using the Z test (α = 0.05). Results: There was no
significant difference (p>0.05) in the success rate of teeth with and without lesion medicated with
CH/PEG or CH/CHX. No significant difference (p>0.05) was found between the pastes regardless
of the presence of lesion. Conclusions: Combination of CHX and CH was not more effective
than the CH/PEG paste, as similar clinical and radiographic success rate was observed in teeth
medicated with either type of intracanal dressing.
Keywords
chlorhexidine; primary teeth; calcium hydroxide
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