I had a replacement tooth/crown sent over from US to UK to have fitted by a dentist here. I paid in full and an extra £12 Post Office charge for Customs clearance. It broke and two weeks later the US dentist sent me a replacement tooth/crown with no charge as it was under guarantee. He put" Replacement//Under guarantee" on the invoice and I later got a bill from FEDEX asking me for £30. Do I have to pay for replacement goods under guarantee and how does FEDEX justify that charge? They blame Customs. The invoice bill is unreadable and I had to phone the US Dentist to ask what it said. How can I