Table 3.

Quality assessment results and general characteristics of the included studies

No.	Title	First author	Year	Methodology	Country	Score
1	Political priority of oral health in India: analysis of the reasons for neglect[15]	Janakiram	2018	Qualitative document review	India	7
2	Can conditional health policies be justified? A policy analysis of the new NHS dental contract reforms[16]	Laverty	2018	Qualitative document review	England	7.5
3	The rise and fall of dental therapy in Canada: a policy analysis and assessment of equity of access to oral health care for Inuit and First Nations communities[17]	Leck	2017	Qualitative document review	Canada	8.5
4	Role and use of evidence in policymaking: an analysis of case studies from the health sector in Nigeria[18]	Onwujekwe	2015	Qualitative document review	Nigeria	7
				In-depth interview
5	Development of oral health policy in Nigeria: an analysis of the role of context, actors and policy process[19]	Etiaba	2015	Qualitative document review	Nigeria	9
				In-depth interview
6	Political priority of oral health in Italy: an analysis of reasons for national neglect[20]	Benedetti	2015	Qualitative document review	Italy	8.5
7	The origins of Minnesota’s mid-level dental practitioner: alignment of problem, political and policy streams[21]	Gwozdek	2014	Qualitative document review	USA	7.5
8	An appraisal of the oral health-care system in Nigeria[22]	Adeniyi	2012	Qualitative document review	Nigeria	8
9	Influencing public policy on oral health[23]	Lewis	2012	Qualitative in-depth interview	Australia	7.5
10	Policy analysis of oral health promotion in South Africa[24]	Singh	2010	Mixed method	South Africa	6.5
				Literature review
				Document review
				In-depth interview