Table 1.

Intervention contents in four periods.

	Intervention Details	Pre: April 1, 2012 to March 31, 2014 (N=632)	Post–1: April 1, 2014 to March 31, 2016 (N=642)	Post–2: April 1, 2016 to March 31, 2018 (N=716)	Post–3: April 1, 2018 to March 31, 2020 (N=781)
Dental care system (to nurses)	Lectures and practical training	No	Yes	Yes	Yes
	Unified oral assessments	No	Yes	Yes	Yes
	Standardized oral care procedures	No	Yes	Yes	Yes
	Dental team request by in-hospital telephone	No	Yes	Yes	Yes
Enhanced dental care system 1 (to nurses)	Simplify requests to the dental team using electronic medical records	No	No	Yes	Yes
Enhanced dental care system 2 (to the dental team)	Early bedside oral screening of stroke patients by the dental team within 72 hours of admission	No	No	No	Yes