Full dentures are another name for complete dentures. They are complete tooth replacements.
Before suggesting full options, most dentists will attempt to save at least few natural teeth. However, if all other treatments have been failed, complete dentures are usually required.

Dentures are constructed of acrylic resin and are supported only by hard and soft tissues that remain. They lack the stability of teeth that are fixed into the bone, such as implants or natural teeth.
With total dentures, many people suffer speech impairments. This is a result of the new prosthesis’s neuromuscular control of the mouth and cheeks and the thickness of the substance covering the palate. Significantly thinned acrylic will fracture over time.