How long does it take to bleach teeth? im setting up an appt?

30min to 1 hr: Depends on the system being used but most in office bleaching systems are about 1 hour.

1 to-2 hours: Depending on the system, preparation and procedure for light accelerated in office bleaching takes from one to two hours. Some systems are as short as half an hour, but preparation often takes at least 15-20 minutes.

In-office: If you are doing in-office whitening, the process takes about an hour to an hour and a half. Allow time for your questions and expectations to be answered. A barrier is placed on the gum tissue to prevent the gel from getting on the gums. If using a light-activated system like zoom or britesmile, it is 3 15-20 minute segments with the gel changed between so it is at the strongest consistency.

About 90 minutes: Professional bleaching service last about 90 minutes. Generally, a bleaching gel is apply on the teeth for about 15 to 20 minute intervals that add up to about 90 minutes. Keep in mind that some patients with particularly stubborn staining teeth may be advised to return for one or more additional teeth bleaching sessions, or may be asked to continue with a home-use teeth whitening system.