Influence of different reciprocating systems on the apical extrusion of debris in flat-oval canals

Authors

DOI:

https://doi.org/10.20396/bjos.v20i00.8663781

Keywords:

Dental pulp cavity, Root canal preparation, Tooth apex

Abstract

Aim: To evaluate the apical extrusion of debris in flat-oval canals, using three reciprocating systems at two different working lengths (WL), 0 mm and 1 mm from the apical foramen. Methods: Ninety mandibular incisors were randomly divided into three groups based on the systems: WaveOne Gold #25.07 (WOG), ProDesign R #25.06 (PDR), and X1 Blue #25.06 (X1B). Extruded debris were collected and dried in pre-weighed Eppendorf tubes. Three consecutive weighings were performed for each tube, and the mean was calculated. If the assumptions of normality and homogeneity of variance were not met, the Kruskal-Wallis test was used to analyze the amount of extruded debris between groups with the same WL, and the Mann-Whitney U test was used for comparison within groups for each WL. Results: All groups had extruded debris, with higher median values occurring at 1 mm. No significant difference regarding the amount of debris extrusion was observed at 0 mm (p>0.05) and 1 mm (p>0.05) between groups. However, within the groups, at different WL, there was greater extrusion at 1 mm (p<0.05), with PDR differing significantly from the other systems (p<0.05). Conclusion: The extrusion of debris occurred regardless of the group, with higher values at 1 mm. However, using PDR at 1 mm from the apical foramen showed the highest values of extrusion.

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Author Biographies

Monique Marchiori, Positivo University

School of Health Sciences, Positivo University - UP, Curitiba, Paraná, Brazil.

Arissa Michelle Yamada Corrêa, University of Joinville Region

Department of Dentistry, University of Joinville Region – Univille, Joinville, Santa Catarina, Brazil.

Flávia Sens Fagundes Tomazinho, Positivo University

School of Health Sciences, Positivo University - UP, Curitiba, Paraná, Brazil.

Marilisa Carneiro Leão Gabardo, Positivo University

School of Health Sciences, Positivo University - UP, Curitiba, Paraná, Brazil.

Natanael Henrique Ribeiro Mattos, Tuiuti University of Paraná

Department of Dentistry, Tuiuti University of Paraná – UTP, Curitiba, Paraná, Brazil

Luiz Fernando Fariniuk, Tuiuti University of Paraná

Department of Dentistry, Tuiuti University of Paraná – UTP, Curitiba, Paraná, Brazil

Flares Baratto-Filho, University of Joinville Region

Department of Dentistry, University of Joinville Region – Univille, Joinville, Santa Catarina, Brazil. Department of Dentistry, Tuiuti University of Paraná – UTP, Curitiba, Paraná, Brazil.

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Published

2021-06-11

How to Cite

1.
Marchiori M, Corrêa AMY, Tomazinho FSF, Gabardo MCL, Mattos NHR, Fariniuk LF, Baratto-Filho F. Influence of different reciprocating systems on the apical extrusion of debris in flat-oval canals. Braz. J. Oral Sci. [Internet]. 2021 Jun. 11 [cited 2022 Sep. 28];20(00):e213781. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8663781

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Original Research

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