While traditional veneers are much thicker, requiring the grinding down of your original tooth structure, Lumineers are so thin that little to no tooth reduction is necessary. Additionally, the durability of Lumineers allows them to resist wear and remain resilient to last over 20 years.
CALIBRATION - An operation that, under specified conditions, in a first. step establishes a relation between the quantity values with  measurement. uncertainties  provided by measurement standards and corresponding. indications with associated  measurement uncertainties  and, in a second.
The word calibrate means making precise measurement. For example, you might want to calibrate your bathroom scale now and then to be sure itâs adjusted for exact weight. Or calibrate it to read five pounds light. We won't tell.