Table 6.

Survival rate and number of implants depending on the investigation interval (patient level in the maxilla)

Investigation interval (months)	Number of patients	Failed patients	Survival rate intervals (%)
0 < , ≤ 12	307	8	100–97.4
12 < , ≤ 24	299	1	97.4–97.1
24 < , ≤ 36	298	1	97.1–96.7
36 < , ≤ 48	297	0	96.7
48 < , ≤ 60	282	0	96.7
60 < , ≤ 72	257	0	96.7
72 < , ≤ 84	223	0	96.7
84 < , ≤ 96	189	0	96.7
96 < , ≤ 108	155	0	96.7
108 < , ≤ 120	124	0	96.7
120 < , ≤ 132	100	0	96.7
132 < , ≤ 144	90	0	96.7
144 < , ≤ 156	78	0	96.7
156 < , ≤ 168	58	0	96.7
168 < , ≤ 180	42	1	96.7–94.4
180 < , ≤ 192	16	0	94.4
192 <	5	0	94.4