Internal Bleaching for Darkened Teeth: A Comprehensive Guide (USA) Internal Bleaching for Darkened Teeth: A Comprehensive Guide (USA) Internal bleaching, also known as non-vital tooth bleaching or root canal bleaching, is a specialized dental procedure designed to lighten teeth that have suffered intrinsic discoloration. Unlike external bleaching, which targets surface stains, internal bleaching works from within the tooth structure itself.…
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