<prompt> The sharp line angles in gold give which of the following:Outline formConvenience formResistance formRetention form  <response>: Sharp internal line and point angles are created in dentin to allow convenient starting gold foil as compaction begins. Rounded form is permitted when E-Z Gold is used to begin the restorative phase. Removal of remaining carious dentin, inal planing of cavosurface margins, and debridement complete the tooth preparation for direct gold.Sturdevant operative dentistry, Seventh edition ; page no: e73 