Table 2.

Descriptive statistics of the measured

Toothpaste	Component
Aquafresh whitening	Sodium tripolyphosphate, sodium hydroxide, flavor, glycerin, silica, PEG-8, sodium benzoate, sodium lauryl sulfate, sodium saccharin, sorbitol, titanium dioxide, water, xanthan gum.
Crest whitening	Hydrated silica, 0.15% sodium fluoride, glycerin, water, sorbitol, sodium hexaameta phosphate, propylene glycol, flavor, PEG-12, cacomidopropyl, sodium lauryl sulfate, carbomer 956, poloxamer 407, polyethyleno oxide, titanium dioxide, xanthan gum, sodium hydroxide, celluse gum, mica.