In Vitro Antibacterial Activity of Galls of Quercus infectoria Olivier against Oral Pathogens

Table 1

Inhibition zones diameter of extracts from galls of Q. infectoria against oral bacteria.

Bacterial	Inhibition zone diameter (mm±SEM)
species	Methanol extract	Acetone extract	Positive control	Negative control
S. mutans	22.67±0.33^∗	21.33±0.33^∗	25.67±0.33	−
ATCC 25175
S. salivarius	25.33±0.33^∗	24.33±0.33^∗	22.33±0.33	−
ATCC 13419
P. gingivalis	18.33±0.33^∗	18.33±0.33^∗	20.00±0.00	−
ATCC 33277
F. nucleatum	18.67±0.33^∗	19.33±0.33^∗	25.00±0.00	−
ATCC 25586

∗Significant difference as compared with positive control (𝑃<0.05).
−: No inhibition zone.