This is a type of bleaching done in dentist's office using relatively higher concentration of light-activated bleaching material.
Here bleaching is completed in two visits of one hour appointments, one week apart, and recommended for someone who needs instant bleaching result.
This is a type of bleaching done at home using lower concentration of bleaching material.
Bleaching gel is placed in bleaching tray, and patient is to wear the tray for 3~4 hours for 1~2 weeks.
This type of bleaching is recommended for someone who has experienced or is likely to have sensitivity from bleaching.