The gold plate is 22ct (minimum) with a thickness of 3.0 micron (minimum), and as a large percentage of the population have a reaction to nickel (i.e. nickel itch), the nickel has been eliminated from the gold deposit and replaced with cobalt.|
The use of gold plated jewellery in the mouth as abrasive foods and teeth is not recommend as it will wear through the gold quickly. Due to stress caused by opening and closing ball closure rings delamination of the gold can occur. Our chosen Hard Gold.