This has been the way to replace missing teeth for many years. It refers to any type of false tooth which is removable from mouth by patient. They can be make from different material and in different shapes to suite different people.
Generally dentures are made of just plastic or combination of metal and plastic. If a denture replaces all the teeth of one jaw it’s called “full denture”. If it is used to replace just some of them then it is “partial denture”.
Below you can see some example of dentures.