<prompt> The cavosurface gingival bevel for a class II cast gold inlay preparation should be0.5 to 1 mm wide and blend with secondary lingual flare0.2 to 0.3 mm wide and blend with secondary lingual flare0.2 mm wide and blend with secondary lingual flare3 to 4 mm wide and blend with secondary lingual flare  <response>: The gingival bevel should be 0.5 to 1 mm wide and should blend with the lingual secondary flare.Sturdevant Operative Dentistry 7th edition page. e105 