| http://www.w3.org/ns/prov#value | - tending leg portions therefrom; c) said member including inner and outer retaining walls and a connecting base portion for forming a trough; d) tooth whitening composition disposed in said trough; e) said composition consisting of 10% Carbamide Peroxide, EDTA disodium, citric acid, Carbopol 940, Triethanolamine, glycerin, and flavors; f) whereby when said retainer loaded with said tooth whitening
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