Good Afternnon Dr Tan My wife and I are reasonably frequent visitors to your city and my wife,Sandra,has some rectification work required on her upper 4,5,6,7 teeth that are presently amalgam filled and are beginning to crack.We would invisage replacement with a "hard" white composition.We would be most grateful if you could perhaps give us an indication of what you would recommend and an approximate cost to repair.Sandra is a Sri Lankan by birth and is 64 years of age.If you are able to respond to this email I will attach a colour image for you to peruse.Thanking you in anticipation. Don Kerr Taupo New Zealand