SciELO - Scientific Electronic Library Online

vol.14 issue1Evaluation of the content of stevioside and rebaudioside A in a population of Stevia rebaudiana Bertoni (kaâ heê) commercially cultivated. A preliminary study author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




  • Have no cited articlesCited by SciELO

Related links

  • Have no similar articlesSimilars in SciELO


Memorias del Instituto de Investigaciones en Ciencias de la Salud

On-line version ISSN 1812-9528


RAMOS, Ester  and  ADORNO, Carlos G. Irrigant extrusion according to irrigation technique in human teeth, ex vivo. Mem. Inst. Investig. Cienc. Salud [online]. 2016, vol.14, n.1, pp.50-56. ISSN 1812-9528.

Root canal irrigants should be able reach the entire root canal system, including the most apical portions, in order to achieve better cleaning and disinfection. However, there exists a risk of irrigant extrusion to the perirradicular area. The present study had an experimental design with the purpose of evaluating irrigant apical extrusion of the endodontic irrigant according to the irrigating technique during final irrigation y extracted human teeth, ex vivo. Forty six anterior upper single canaled teeth were used and the roots were embedded into a conducting transparent gel. An irrigating/aspirating needle was placed 2 mm from working length and irrigation was performed with a contrast solution at 4 ml/min during 60 s. Eighteen teeth were used for syringe irrigation and negative pressure irrigation each. Additionally, 5 teeth were used for positive and negative controls, each. The presence and extrusion area were evaluated. The Chi2 test found a statistically significant asociation (p < 0,001) between extrusion and irrigation technique. The median area of extrusion by syringe irrigation (0,645 mm2) was statistically greater than that by negative pressure irrigation (0 mm2) (Mann Whitney U, p <0,001). In conclusion, the frequency and extent of extrusion caused by negative pressure irrigation was less compared to syringe irrigation.

        · abstract in Spanish     · text in Spanish     · Spanish ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License