Journal of Dental Hygiene Science

Table 1

The Selection Criteria for Papers

Type	Inclusion	Exclusion
Year	2009∼2020	<2021
Type of literature	Domestic journals, unpublished master’s thesis	Foreign journals, books
Study object	Elderly (≥60)	Adults (<60)
Study design	NCGPPD, OPPD, RCGPPD	-
Contents	Intervention effect of oral care program	-

NCGPPD: non-equivalent control group pretest-posttest design, OPPD: one group pretest-posttest design, RCGPPD: randomized control group pretest-posttest design, -: not available.

J Dent Hyg Sci 2021;21:199-212 https://doi.org/10.17135/jdhs.2021.21.4.199