Table S1.

Focus question, search terms, search filters, and search dates

Focus question	Are oral health education programs for carers effective in improving the oral hygiene status of elderly with dementia?
Search terms	#1: Mesh - dental health OR oral care OR dental care OR mouth care OR dental hygiene OR mouth hygiene
	#2: Mesh - dementia OR Alzheimer OR Alzheimer’s OR cognitive impairment
	#3: Mesh - education OR intervention OR program OR promotion
	#4: Mesh - caregiver OR caregivers OR carer OR nurse OR care aide OR health care aide
Search strategy	#1 AND #2 AND #3 AND #4
Filters	Language: Not applied
	Species: Humans (Mesh)
	Ages: Aged (Mesh)
Search date	Final confirmatory online search was performed on March 31, 2018