1 Professionally dispensed kits from a dentist's office designed to be used at home typically cost $100-$500, depending on the location and dentist. 2  Take-home whitening kits include custom-made trays and typically use a stronger bleaching agent than over-the-counter systems.
... NewsGroupQuestion wrote: How long is a UK cheque 'valid' i.e. how long can a person keep a cheque before presenting it to their bank and still have it honoured? Conventionally, six months.Some cheques have earlier expiries explicitly written on them.ow long is a UK Cheque 'valid'? I hope this is the right group to ask this question..... How long is a UK cheque 'valid' i.e. how long can a person keep a cheque. before presenting it to their bank and still have it honoured?
The validity of a cheque can be from 3 months upto 6 months.... 0. 0. The validity of a cheque can be from 3 months upto 6 months. The validity of a cheque actually depends upon the bank since it varies from bank to bank.The person is advised to contact the concerned bank and ask about the validity of his check. 73% - How long is an oral contract valid for in canada? 2  68% - How long before a cheque is no good at rbc canada? 3  60% - How long does it take for a us certified cheque to clear in canada? 4  62% - How long to you have to cash a goverment cheque in canada?