A nice, friendly smile is visually attractive and is also a sign of good oral hygiene practice and cognitive health. Numerous studies have found a close connection between poor oral hygiene and dementia. Studies have found that those with poor oral hygiene practices are at higher risk for dementia, and dementia patients are at higher risk for developing gum disease. Poor oral hygiene and inadequate nutrition are likely the primary drivers for the risk of gum disease in dementia patients, par...