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Comparative Analysis of Irrigation Techniques for Cleaning Efficiency in Isthmus Structures.
Donnermeyer, David; Dust, Patricia Claire; Schäfer, Edgar; Bürklein, Sebastian.
Afiliación
  • Donnermeyer D; Department of Periodontology and Operative Dentistry, University of Münster, Münster, Germany.
  • Dust PC; Department of Periodontology and Operative Dentistry, University of Münster, Münster, Germany.
  • Schäfer E; Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Münster, Germany.
  • Bürklein S; Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Münster, Germany. Electronic address: david.donnermeyer@ukmuenster.de.
J Endod ; 50(5): 644-650.e1, 2024 May.
Article en En | MEDLINE | ID: mdl-38382735
ABSTRACT

INTRODUCTION:

This study aimed to evaluate the removal of a biofilm-mimicking hydrogel from isthmus structures in a simulated complex root canal system consisting of 2 curved root canals by Laser-activated irrigation (LAI, AdvErl Evo, Morita) and mechanical activation techniques.

METHODS:

A 3D-printed root canal model with 2 parallel root canals (60°-curvature, radius 5 mm, dimension 25/.06) with a total length of 20 mm connected via isthmuses (2.5 × 0.4 × 0.2 mm) at 5 mm and 8 mm from the apical endpoint and with lateral canals (diameter 0.2 mm) in all directions at 2, 5, and 8 mm from the apex was filled with a colored biofilm-mimicking hydrogel. Irrigation protocols under continuous irrigation with distilled water (3 × 20s per root canal; 3 ml/20s; n = 20) included conventional needle irrigation (=NI); manual agitation (=MA, gutta-percha point 25/.06); EndoActivator (=SAI-EA, 25/.04); EDDY (=SAI-E, 25/.04); ultrasonically-activated irrigation (=UAI) and LAI (ErYAG-laser; P400FL tip at canal entrance; 25pps, 50 mJ, 300µs). Removal of the hydrogel was determined as a percentage via standardized photos through a microscope. Statistical analysis was performed using Kruskal-Wallis and Conover tests (P = .05).

RESULTS:

Laser-activated irrigation (LAI) was associated with the greatest removal of hydrogel from the entire root canal system (P < .05), followed by SAI-E. No significant differences were reported for the coronal isthmus between LAI, SAI-E, NI, and MA (P > .05), but inferior results for SAI-EA and UAI (P < .05). In the apical isthmus, all techniques outperformed UAI (P < .05), with LAI, SAI-E, and NI showing the best results (P < .05).

CONCLUSIONS:

Laser-activated irrigation (LAI) was superior to other irrigation techniques in the entire root canal system. SAI-E and NI performed comparable to LAI in the isthmuses.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Irrigantes del Conducto Radicular / Preparación del Conducto Radicular / Cavidad Pulpar / Irrigación Terapéutica Límite: Humans Idioma: En Revista: J Endod Año: 2024 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
Texto completo
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Imprimir
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Irrigantes del Conducto Radicular / Preparación del Conducto Radicular / Cavidad Pulpar / Irrigación Terapéutica Límite: Humans Idioma: En Revista: J Endod Año: 2024 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos