Sonic hardware and heads.
One paste, one job.
Between the teeth.
A measured rinse.
The twice-daily foundation: how you brush, what you brush with, and everything that finishes the routine.
A defined course.
Targeted touch-ups.
The traditional route.
Accelerated at home.
Structured at-home whitening with honest expectations, a stated schedule and a stated end point.
Pick the concern you would fix first.