Efficacy of alternative or adjunctive measures to conventional treatment of peri-implant mucositis and peri-implantitis: a systematic review and meta-analysis

International Journal of Implant Dentistry

Table 2 Risk of bias summary for finally selected randomized studies

	Random sequence generation	Allocation concealment	Blinding of participants and personnel	Blinding of outcome assessment	Incomplete outcome data
Schenk et al. [16]	?	−	−	−	+
Strooker et al. [22]	?	−	−	−	+
Porras et al. [20]	?	−	−	+	−
Büchter et al. [26]	+	−	−	?	+
Romeo et al. [42, 57]	?	−	−	−	+
Karring et al. [28]	?	+	−	+	+
Schwarz et al. [25]	+	−	−	+	+
Renvert et al. [32]	+	+	−	+	+
Schwarz et al. [24]	+	−	−	+	+
Schwarz et al. [48, 51, 54]	+	−	−	+	+
Renvert et al. [29]	+	+	−	+	+
Renvert et al. [31]	+	?	−	+	+
Renvert et al. [30]	+	−	−	+	+
Sahm et al.; John et al. [27, 33]	+	−	−	+	+
Thone-Mühling et al. [17]	−	?	−	−	+
Hallström et al. [19]	+	?	−	−	+
Schwarz et al. [49, 50, 52]	+	−	−	+	+
Aghanzadeh et al. [43]	?	?	−	+	+
Machtei et al. [23]	+	+	?	+	+
Wohlfahrt et al. [55, 58]	+	+	−	+	+
deWaal et al. [38]	+	+	?	+	+
McKenna et al. [78]	+	−	+	+	−
Schär et al.; Bassetti et al. [34, 37]	+	−	−	+
deWaal et al. [39]	+	+	?	+	+
Ji et al. [15]	+	?	−	+	+
Papadopoulos et al. [41]	+	−	−	+	+
Riben Grundström et al. [21]	+	+	−	+	+