Rather than get the one off laser treatment get the moulds made by your dentist and buy enough syringes of the bleach to last about 2 weeks. After about 10 days they should be gleaming white and because you still have the mould you can give them a blast once or twice a year to keep them sparkly white. I paid around £350 at my dentist but my missus got hers done for around £200 at the sainsbury dentist. I smoked and drink red wine so mine were pretty yellow and it worked a treat.
Oh and good to see you back.