Influence of different volumes of EDTA for final rinse on smear layer removal

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
Isabel MelloJeffrey Coil

Abstract

The aim of this study was to analyze the influence of different volumes of 17% EDTA for final rinse on smear layer removal on the different areas of the root canal. Forty single-rooted teeth were instrumented using rotary instruments. The teeth were divided into 3 test groups according to the EDTA volume for final rinse (5 mL, 10 mL, 15 mL) and 1 control group (10 mL of 1% sodium hypochlorite). The roots were axially split into halves, and the smear layer removal from the canals was determined under scanning electron microscope. The data were analyzed using Kruskal Wallis and Dunn tests. The 3 experimental groups showed no statistical difference (P > .05); however, when the test groups were compared to the control group statistically significant differences were found (P < .01). The root canal wall surfaces of teeth in the control group showed the presence of heavy smear layer through the entire length of the root canals. The other groups showed mainly smear layer-free surfaces or a small amount of debris. When coronal, middle and apical thirds were compared, there was no statistically significant difference (P > .05). Based on the results, it appears that a final rinse with 5 mL of EDTA per canal provides good smear layer remo...Continue Reading

References

Aug 1, 1997·Journal of Endodontics·J K TaylorR R Lemon
Apr 27, 2004·Pesquisa odontológica brasileira = Brazilian oral research·Ana Carolina Silveira Cardoso de MenezesMárcia Carneiro Valera
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Citations

Aug 19, 2011·Journal of Endodontics·Luciana Magrin Blank-GonçalvesManoel Eduardo de Lima Machado
Jun 25, 2010·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Yildiz GaripSeda Hatipoglu
Feb 10, 2009·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Isabel MelloJoão Humberto Antoniazzi
Apr 5, 2013·Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc·Hacer Deniz ArisuGüliz Görgül
Sep 23, 2014·Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc·William YeungIsabel Mello
Aug 30, 2011·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Ozkan AdigüzelZeki Akkuş
May 26, 2009·Journal of Applied Oral Science : Revista FOB·Elaine Vianna Freitas FachinLiliane Inês Sachet Massoni
Nov 6, 2018·Acta Odontologica Scandinavica·Nidambur Vasudev BallalJames F Wolcott
Feb 23, 2010·Journal of Endodontics·Isabel MelloJoão Humberto Antoniazzi

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