Ok, so if your looking to whiten your teeth at minimum cost -- the first thing you need to cut out is visiting your dentist. Here's a countdown of the top methods to whiten your teeth at home -- from worst to first:
#3 Natural White Pro Teeth Bleaching System
High, complex sounding things that seem to be very similar to toothpaste and mouthwash. Very uncomfortable and messy trays. You've got to boil the trays and they are mighty hot when you put them in your mouth. $25 for 3% hydrogen peroxide.
#2 Ultra Plus White Complete Teeth Whitening System
Soft, foam ball like a Nerf ball you played with as a kid. You bite into the soft foam Nerf ball to whiten. Just as bad as Natural White, for $10 less @ only $15.
#1 (best!) Crest White Strips
It's like a band-aid you press against your teeth. The band-aid is pre-coated with hydrogen peroxide gel. Wal-Mart sells a cheaper alternative, but the material is much heavier and harder to mold around your teeth. Double the hydrogen peroxide for tooth whitening of the other two options @ 6%. Cost is much higher at $43, but there are discounts and basic versions available. Major drawback is that it does not whiten your back teeth (molars) see our previous posts.
For all of these products, be careful of tooth sensitivity. If your teeth become overly sensitive -- discontinue use for a few days until they return to normal. An every other day schedule is very helpful to avoid sensitivity.