Tooth Bleaching

	In-Office	At-Home
Material and equipment used	Bleaching gel + LED or LASER (power whitening)	Bleaching gel
Effect	Immediate	Days / Weeks
Sensitivity	No differences. Depends on individuals.
Effectiveness	No differences. Depends on number of bleaching cycles.
Number of visit and procedures	One 1. Scaling and polishing 2. In-Office bleaching treatment	One 1. Scaling and polishing 2. Take mould of your teeth to customize the bleaching tray. 3. Collect the whitening tray and instruction on at-home bleaching treatment.
Cost	Higher	Lower
Longevity	Months to years. Varies from person to person. Strongly depends on diet and habit such as smoking which can all stain your teeth.
Side effect	Tooth and gum sensitivity

For at least two minutes, first thing in the morning and before bedtime