Chang’s Coloring Method Chang’s Coloring MethodDownload Now!By IDS CAD|2016-11-18T10:30:44-05:00June 19th, 2015|Comments Off on Chang’s Coloring Method Share This Story, Choose Your Platform! FacebookPinterestEmail About the Author: IDS CAD Providing quality services to maximize the mechanical and aesthetic value to all prosthetic restorations. Utilizing the latest technological equipments, can readily restore any complex restorations with both consistency, and precision.