No, most doctors do not remove the identification mark. The identification mark on the lingual is fairly indelible. It will fade over time (usually within 6 months – 1 year), however, it can be removed with a zirconia crown polishing bur. We recommend a rubberized zirconia polisher. We offer two polishers that work well which are included in our NuSmile ZR Adjustment bur kit: ZR Green medium point #W16MZR, used after adjustments or shortening for pre-polishing. 2 - ZR Orange fine point #W16FZR, used after adjustments or shortening for final polishing.