No other metal has been used for dental restorations as long as gold. In fact, the use of gold in dentistry dates back to the Egyptians. Gold endures!
Dental restorations made from gold last 20 to 40 years. By contrast, other restorations usually require replacements in less than 20 years. So gold really is a cost-wise choice.
These types of dental restorations with attachments are used in dental restorations that combine porcelain crowns or bridges attached to some removable dental prosthetic.