<prompt> Type 2 pattern of etched enamel is also known as:Honeycomb patternSoap bubble patternCobble stone patternPyramid pattern  <response>: According to Silverstone et al and Galil Wright Type ISelective removal of enamel prism cores.Peripheries intact honeycomb appearance.Type II Reverse process. Peripheries removed. Cores intact cobble stone appearance with prism edges lost.Type III is the mixture of pattern I and II.Type IV Pitted enamel with map like appearance.Type V flat smooth surfaces 