<prompt> What is the thickness of class II matrix band?0.002 inches0.002 mm0.02 inches0.02 mm  <response>: There are two types of bands:Uncontoured bandsPrecontoured bandsUncontoured bandsThese are available in two thicknesses:0.002 inch 0.05 mm0.0015 inch 0.038 mmSturdevants operative dentistry south asian edition page 204 