there is currently no cure for most dementias nor treatment that can restore mental function
current treatment focuses on correcting all reversible factors and slowing down the irreversible factors to help improve function 
treatment can be divided into pharmacological and non-pharmacological therapies
11. Patterson CJS, Gauthier S, Bergman H, Cohen CA, Feightner JW, Feldman H, Hogan DB. The recognition, assessment and management of dementing disorders: conclusions from the Canadian Consensus Conference on Dementia. Canadian Medical Association Journal 1999; 160 Suppl 12:S1-15.