div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-relapse-a-after-the-whitening-treatment-it-is-natural-for-the-teeth-that-underwenthtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: smiledoctorslicomRelapse — After the whitening treatment it is natural for the teeth that underwent the whitening treatment to regress somewhat in their shading after treatment loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602175f0633de7e708231d416cf56html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-relapse-a-after-the-whitening-treatment-it-is-natural-for-the-teeth-that-underwenthtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: smiledoctorslicomRelapse — After the whitening treatment it is natural for the teeth that underwent the whitening treatment to regress somewhat in their shading after treatment loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602175f0633de7e708231d416cf56html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-relapse-a-after-the-whitening-treatment-it-is-natural-for-the-teeth-that-underwenthtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: smiledoctorslicomRelapse — After the whitening treatment it is natural for the teeth that underwent the whitening treatment to regress somewhat in their shading after treatment loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220602175f0633de7e708231d416cf56html5thumbnails3jpg width=140 height=200 divdiv