A comparative study on the frequency, location, and direction of accessory canals filled with the hydraulic vertical

Fabiola Ormiga Galvão Barbosa1, Heloísa Gusman, Marcos Cesar Pimenta de Araújo

  • 1Department of Endodontics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil. fabormiga@metalmat.ufrj.br

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