Tooth loss is very common in the elderly:
Dentures, while not nearly as good as original teeth, can significantly improve quality of life by:
Vargas CM, Kramarow EA, Yellowitz JA. The Oral Health of Older Americans. Aging Trends, No. 3. Hyattsville, MD: National Center for Health Statistics, 2001.
Wu B, Hybels C, Liang J, Landerman L, Plassman B. Social stratification and tooth loss among middle-aged and older Americans from 1988 to 2004. Community Dent Oral Epidemiol. 2014; 42(6):495-502.
Oral Health for Older Americans. CDC; Accessed 9/23/2018.