Professional laser teeth whitening throughout west yorkshire up to 16 shades lighter teeth in just 60 mins clinic or home visits are available laser teeth whitening can be used for stained yellow or discoloured teeth from smoking wine tea 38 coffeerr before treatmentrr the full process takes approximately 90 minutes before starting the treatment a client consultation is carried out 38 a consent form is completed we do not treat pregnant women or people with gum disease cracked or