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