Table 2.

Description of the studies by state of the dental arch, condition of the implant site, type of surgery, loading protocol, and placement time of the definitive restoration, (/) data not reported.

First Autor, Data	State of the Dental Arch	Condition of the Implant Site	Flap/Miniflap/Flapless	Protocol (Immediate Loading, Conventional)	Final Restoration (Months)
Ciabattoni et al., 2017 [16];	Total edentulism	Post-extraction and healed	Flapless	Immediate	/
Derksen et al., 2019 [17]	Partial edentulism	Healed	Flapless (34) and miniflap (111)	Conventional	4
Lopes et al., 2015 [7]	Total edentulism	Healed	flapless	Immediate	4
Marra et al., 2013 [18]	Total edentulism	Healed	Flapless	Immediate	4–6
Meloni et al., 2010 [15]	Total edentulism	Healed	Flapless	Immediate	6
Polizzi and Cantoni, 2015 [14]	Partial/total edentulism	Post-extraction and healed	Flapless	Immediate	6
Pozzi et al., 2012 [19]	Partial edentulism	Healed	Flapless; miniflap	Immediate	6
Vogl et al., 2015 [20]	Partial edentulism	Healed	Flapless	Immediate	6–8
Yamada et al., 2015 [21]	Total edentulism	Healed	Flapless	Immediate	4–7