Depending on how many teeth are missing, a partial or complete denture would be in order. A partial denture can keep existing teeth from moving after a tooth loss. There are many different options for dentures these days and they can totally transform a smile.
Acrylic resins are usually used in creating dentures. There have been many advances made in cosmetic dentistry in recent years. There are many different materials being used so your dentist will discuss all appropriate options with you.