TY  - JOUR 
T1  - Gingival margin alterations and the pre-orthodontic treatment amount of keratinized gingiva
JO  - Brazilian Oral Research
A1  - Closs, Luciane Quadrado
A1  - Branco, Paula
A1  - Rizzatto, Susana Deon
A1  - Raveli, Dirceu Barnabé
A1  - Rösing, Cassiano Kuchenbecker
SN  - 1806-8324
UL  - 10.1590/S1806-83242007000100010
VL  - 21 
Y1  - 2007
PB  - Brasil 
ER  -