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Acta bioquímica clínica latinoamericana
versión impresa ISSN 0325-2957
Resumen
SALAS, María Mercedes et al. Chemical content of solutions after irrigation of the tooth root canal. Acta bioquím. clín. latinoam. [online]. 2012, vol.46, n.4. ISSN 0325-2957.
During endodontic treatment, irrigation of the root canal makes it possible to remove remainders of the dentin tubules. The aim of this study was to evaluate the content of extracted irrigation solutions of root canals after pulpectomy in teeth with pulpitis and pulp necrosis, in order to determine those Enless aggressive on root dentine. Work was performed on 80 unirradicular upper human teeth, with 1% NaClO, 17% EDTA, 1% Ca(OH)2, 0.2% chlorhexidine and distilled water. The content of three irrigations was aspired and pH, total proteins, hydroxiproline, calcium and phosphor were determined. pH of the solutions showed no significant changes. A greater protein concentration was obtained with NaClO from teeth with necrosis and with EDTA from teeth with pulpitis; the greatest number of electrophoretic bands were revealed with EDTA. The hydroxiproline content was greater with Ca(OH)2 and with chlorhexidine, and that of phosphor was greater with EDTA and with NaClO for both types of teeth. Calcium was detected with NaClO and chlorhexidine. There were no different results between teeth with pulpitis and those with pulp necrosis in all chemical determinations. NaClO and EDTA solutions were effective in the elimination of organic rests from the root canal. Nevertheless, NaClO also eliminated calcium and phosphor, and the EDTA solution eliminated phosphor, possibly originated from hydroxiapatite and from protein complexes of dentin.
Palabras clave : Vital human dental pulp; Necrotic human dental pulp; Endodontic irrigation solutions; Cleaning of the root canal.