Ablation (ablate, ablated) - taking away, removal, obliterate (often in surgery). Example: The wavelength on that specific laser is 2940. This wavelength allows the LiteTouch laser to be much more versatile. The laser can not only remove deep and shallow caries, but it can aslo ablate Crown and Veneer cement. Superfast Crown and Veneer removal, can be of huge benefit to a cosmetic dentist, as well as a family GP.