<prompt> Which is a prerequisite for shade selection for composites?Tooth should not be dry as drying increases translucencyTooth should not be wet as moisture increases translucencyTooth should not be dry as drying decreases translucencyTooth should not be wet as it decreases translucency  <response>: Shade of the tooth is determined before teeth are subjected to drying because dehydrated tooth becomes lighter in colour as a result of decrease in translucency.Thus shade is selected on a wet tooth.Reference- Sturdevant 6th ed Pg-483 