Table 3. Success of implants with regard to periodontal disease and smoking.

	Unsuccessful implant			Successful implant		Total		p
	n	%		n	%	n	%
Periodontal disease
No	6		0.67	885	99.33	891	100	p=0.001
Yes	11		2.98	358	97.02	369	100
Smoker
No	9		1.82	485	98.18	494	100	p=0.3587
Yes	8		1.04	758	98.96	766	100
Total	17		1.35	1243	98.65	1260	100