Crowns, implant crowns and veneers keep the colour they are made in. If you want whiter teeth, whiten first, let the shade settle for about two weeks, then have the new restoration matched to your brighter shade.
At Vera Dental, Same-Day Whitening is $588 for one visit, under 2 hours, and a take-home kit is $420.
We often meet patients at the planning stage of a crown or implant who mention, almost in passing, that they have been meaning to whiten their teeth "at some point". That is the moment to raise it, because the shade of a new crown is chosen once and lasts for years.