Table 2.

Patients and treatment characteristics.

		No. Implants		Gender		Age
		Maxilla	Mandible	Male	Female	Mean ± SD	Range
Total		52		17	23	44.40 ± 14.43	18–75
Arch	Maxilla	21		6	14	42.10 ± 10.98	26–63
	Mandible		31	11	9	46.70 ± 17.20	18–75
Timing	Immediate	10	19	10	12	45.59 ± 14.99	18–75
	Delayed	11	12	7	11	42.94 ± 14.01	18–68
Surgical technique	Open flap	19	10	10	15	44.68 ± 12.27	18–68
	Flapless	2	21	7	8	43.93 ± 17.93	18–75