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?
Re: how long is a personal check valid kathleenm Apr 28, 2015 5:26 PM (in response to iperezrn) iperezrn, I would recommend calling our main support number to get the policy on this. 1-800-869-3557. 24 hours a day, 7 days a week. KathleenM. (0) Re: how long is a personal check valid travisv Apr 29, 2015 9:50 AM (in response to iperezrn) For most banks if there is no expiration date listed, a check would be stale dated after six months from the date listed on the check.