What is the best way to: How to get teeth professionally whitened.

pick from the following.
-Your Dentist will place bleaching gel in a tray and fit in your mouth against your teeth, then use a laser for 30 minutes or less to keep teeth warm.;
-Your Dentist will place bleaching gel in a tray and fit in your mouth against your teeth, then use a laser for 30 minutes or less to activate gel and whiten quickly.;
Answer:
Your Dentist will place bleaching gel in a tray and fit in your mouth against your teeth, then use a laser for 30 minutes or less to activate gel and whiten quickly.