Rating: - Amazon is a worst company
I never thought Amazon is such a worst company. Worst customer support, never buy either this item or other items from Amazon.

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Rating: - Does a great job!!
I love this waterpik. It is so quick and efficient. Tend not to use all the accessories. Would recommend to everyone. My dentist has seen a positive improvement in oral hygiene.

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Rating: - Disappointed
As a long time user of Watepik the only problem I have had is quality, so when this new model was introduced I purchased it thinking improvements had been made. It is quieter but everything else lacks the quality I would expect in a new model costing almost $50. Additionally none of the previous attachments fit, so if you have had 1 or more older models you cannot reuse the attachments.

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Rating: - Does not last long...
I purchased this Waterpik in June '07 and a couple of months later the handle malfunctioned inside so it would leak all the water and therefore it had no cleaning pressure. I contacted the manufacturer and after a couple of weeks they sent me a replacement handle. That worked well up until now (a year later). The handle broke again on the inside where it fits the attachment and can no longer hold it - a small spring came off along with a small plastic part that broke. Anyway, this model is a good concept but must be made of cheap materials so don't expect yours to last too long, look for better options.

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Rating: - I love this product!
I had an old Braun water pic and this Water Pik runs circles around it! My teeth and gums are much healthier and I highly recommend this to everyone.