Dentures have been the oldest way to replace missing teeth in the upper and lower arches. They are typically fabricated from acrylic with plastic or porcelain teeth. They can replace all your missing teeth whether you are missing only one tooth or all your teeth.
Dentures are typically attached to the remaining teeth in your mouth with wire or clear clasps. If you are missing all your teeth, the dentures can be attached to dental implants or they can simply rest on your gums.
Many people who have dentures take them out to eat and only wear them for the looks. If you are one of those people, you should consider alternative ways of replacing your missing teeth.