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Brazilian Dental Journal

Print version ISSN 0103-6440On-line version ISSN 1806-4760


BARATTO-FILHO, Flares et al. Morphometric analysis of the effectiveness of different concentrations of sodium hypochlorite associated with rotary instrumentation for root canal cleaning. Braz. Dent. J. [online]. 2004, vol.15, n.1, pp.36-40. ISSN 0103-6440.

This study evaluated the cleaning capacity of Profile .04 instruments with different concentrations of NaOCl solutions on flattened root canals. Twenty central mandibular incisors were divided into 4 groups: Group I: 0.5% NaOCl; Group II: 1% NaOCl; Group III: 5% NaOCl; Group IV: distilled and deionized water. After chemomechanical preparation, the teeth were submitted to histological preparation and morphometric analysis. Morphometric analysis showed that the 5% NaOCl was significantly more efficient in cleaning the root canal than 0.5% NaOCl and distilled water, which had the lowest levels of cleaning of the root canals (p<0.01).

Keywords : cleaning; sodium hypochlorite; rotary instrumentation; root canal.

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