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?
See all Cheques FAQs. Cheques issued in Australia generally take 3 business days to clear (ie. for the funds to be available to withdraw) but some cheques may take longer. Cheques from overseas will take longer depending on the country and bank they are drawn on.ee all Cheques FAQs. Cheques issued in Australia generally take 3 business days to clear (ie. for the funds to be available to withdraw) but some cheques may take longer. Cheques from overseas will take longer depending on the country and bank they are drawn on.