TY  - JOUR 
T1  - Effect of three different attachment designs in the extrusive forces generated by thermoplastic aligners in the maxillary central incisor
JO  - Dental Press Journal of Orthodontics
A1  - Costa, Rafael
A1  - Calheiros, Fernanda Calabró
A1  - Ballester, Rafael Yagüe
A1  - Gonçalves, Flávia
SN  - 2176-9451
UL  - 10.1590/2177-6709.25.3.046-053.oar
VL  - 25 
Y1  - 2020
PB  - Brasil 
ER  -