Efficacy of Adjunctive Bioactive Materials in the Treatment of Periodontal Intrabony Defects: A Systematic Review and Meta-Analysis

Table 2

Quality assessment of included studies .

Authors (year)	RSG	ALC	BOA	ICD	SLR	Risk of bias
Piemontest et al.; (2008)	ad	un	Y	N	N	,
Agarwal et al.; (2014)	ad	un	Y	N	N	,
Jha Kukreja et al.; (2014)	ad	un	un	N	N	,
Khospropanah et al.; (2015)	ad	un	Y	N	N	,
Bansal et al.; (2013)	ad	un	un	N	N	,
Agarwal et al.; (2016)	ad	un	Y	Y	N	,
Hoidal et al.; (2008)	ad	un	Y	Y	N	,
Aspriello et al.; (2011)	ad	un	Y	N	N	,
Sali et al.; (2016)	ad	ad	Y	N	N	,

RSG, random sequence generation; ALC, allocation concealment; BOA, blinding of outcome assessment; ICD, incomplete outcome data; SLR, selective reporting; ad, adequate; inad, inadequate; un, unknown; Y, yes; N, no. levels of risk of bias: low, all five criteria were met; moderate, 3-4 criteria were met; high, <3 criteria were met. of the assessment categories met.