TY  - JOUR 
T1  - Success and survival rates of mandibular overdentures supported by two or four implants: a systematic review
JO  - Brazilian Oral Research
A1  - Dantas, Isabelle de Sousa
A1  - Souza, Mariana Barbosa Câmara de
A1  - Morais, Maria Helena de Siqueira Torres
A1  - Carreiro, Adriana da Fonte Porto
A1  - Barbosa, Gustavo Augusto Seabra
SN  - 1806-8324
UL  - 10.1590/S1806-83242013000600012
VL  - 28 
Y1  - 2014
PB  - Brazil 
ER  -