TY  - JOUR 
T1  - Influence of the power level of an ultra-sonic system on dental cavity preparation
JO  - Brazilian Oral Research
A1  - Josgrilberg, Érika Botelho
A1  - Guimarães, Murilo de Sousa
A1  - Pansani, Cyneu Aguiar
A1  - Cordeiro, Rita de Cássia Loiola
SN  - 1806-8324
UL  - 10.1590/S1806-83242007000400014
VL  - 21 
Y1  - 2007
PB  - Brasil 
ER  -