Table 1.

Characteristics of included studies

	n (%)
Year of publication
2000–2010	4 (16)
2011–2022	21 (84)
Country/jurisdiction
United States	17 (68)
Finland	2 (8)
Canada	1 (4)
Sweden	1 (4)
South Africa	1 (4)
Scotland	1 (4)
Systematic reviews	2 (8)
Targeted population*
Children	13 (48)
Adults	11 (41)
Elders	2 (7)
All age groups	1 (4)
Outcome level
Healthcare system outcome	22 (88)
Societal outcome	3 (12)
Study setting*
School-based setting	4 (14)
Community-based setting	5 (18)
Medical/hospital settings	3 (11)
Dental settings	11 (39)
Any setting	1 (4)
Not specified	4 (14)
Types of services provided
Diagnostic and preventive services	10 (40)
Primary dental care	1 (4)
Referral services	2 (8)
Comprehensive care/any dental care	3 (12)
Non-emergency and routine dental care	2 (8)
Not specified	7 (28)
Mechanism of access*
Affordability	17 (57)
Accessibility	1 (3)
Availability	2 (7)
Acceptability	3 (10)
Accommodation	1 (3)
Not specified/Not applicable	6 (20)

^* Total percentages might add to more than 100% as they were addressed in more than one study