A
At the initial appointment, the teeth are first cleaned with aqueous pumice slurry and then isolated with cotton rolls and dried with compressed air.
B
The sodium fluoride solution applied on the teeth with cotton-tipped applicator stick is allowed to dry for 3 to 4 minutes.
C
A second, third and fourth fluoride application, each preceded by a prophylaxis, is scheduled at intervals of approximately one week.
D
The four-visit procedure is recommended for ages 3, 7, 1 1 and 13 years.