title: Retraction: effectiveness of single- versus multiple-visit endodontic treatment of two mandibular central incisors from the same patient.
authors.forename: Fabio
authors.initials: F
authors.lastname: de Almeida-Gomes
authors.forename: Bruno
authors.initials: B
authors.lastname: Carvalho-Sousa
authors.forename: Mariana Carvalho
authors.initials: MC
authors.lastname: Furtado-Leite
authors.forename: Roberto Alves
authors.initials: RA
authors.lastname: dos Santos
authors.forename: Claudio
authors.initials: C
authors.lastname: Maniglia-Ferreira