TY  - JOUR 
T1  - Difference in Orthodontic Patients’ Perceptions of Essix and Hawley Retainers
JO  - Pesquisa Brasileira em Odontopediatria e Clínica Integrada
A1  - Kusumawardhani, Putri I
A1  - Tarman, Krisnawati E
A1  - Soegiharto, Benny M
SN  - 1983-4632
UL  - 10.1590/pboci.2021.141
VL  - 21 
Y1  - 2021
PB  - Brasil 
ER  -