title: Comparison of the effect of Er, Cr-YSGG laser and ultrasonic retrograde root-end cavity preparation on the integrity of root apices.
authors.affiliation: Department of Endodontics, Tabriz Dental School, Tabriz University (Medical Sciences), Iran.
authors.forename: Saeed
authors.initials: S
authors.lastname: Rahimi
authors.forename: Hamid R
authors.initials: HR
authors.lastname: Yavari
authors.forename: Shahriar
authors.initials: S
authors.lastname: Shahi
authors.forename: Vahid
authors.initials: V
authors.lastname: Zand
authors.forename: Sahar
authors.initials: S
authors.lastname: Shakoui
authors.forename: Mohammad F
authors.initials: MF
authors.lastname: Reyhani
authors.forename: Ahmad
authors.initials: A
authors.lastname: Pirzadeh