crowns whiten? other gel for sensitive as good? how many shades lighter on average after 2 treatments?
carol w. asked on Apr 28, 2013
Crowns go back to whatever color the dentist had put them on as.... not any whiter then that. On Average I would say about 4-5 shades whiter. Thank you :)
Adrianne G. from Merchant replied on Apr 28, 2013