Table 2.

The collected information around type of the studies, dental implant systems, applied denture type, the rate of implant survival, and the period of time that patients were followed-up

Authors	Type of study	Number of applied implants	Implant systems and features	Applied denture type	Survival rate of the implants (%)	Follow-up period (months)
Esposito et al. [42]	Case report	4	Straumann TL and micro rough surface	Overdenture	100	21
Oczakir et al. [3]	Retrospective study	4	Straumann TL and micro rough surface	Fixed complete denture	100	72
Reichart [39]	Case report	10	HaTi [2], Camlog [1], micro rough surface ZL-Duraplant [1], micro rough and anodically oxidized surface [6]	Fixed partial prostheses	100	156
Czerninski et al. [43]	Retrospective study	3	NA	Fixed partial prosthesis	0	36
Gallego et al. [44]	Case report	2	NA	Overdenture	0	36
Hernandez et al. [10]	Prospective study	56	Nobel Biocare, micro rough and anodically oxidized surface	Fixed partial prostheses	100	53.5
Diz et al. [43, 45]	Retrospective study	54	NA	NA	100	63
Lopez-Jornet et al. [46]	Cross-sectional study	56	NA	3 Overdentures 13 fixed partial prostheses	Implant survival rate: NA peri-implant mucositis: 10 peri-implantitis: 14 bone loss: 10 mobility: 2	42
Total		191			0–100% weighed mean 95.3%	Weighed mean 53.8 SD ± 18.3