Long-term survival of implant-based oral rehabilitation following maxillofacial reconstruction with vascularized bone flap

International Journal of Implant Dentistry

Table 1 Patient characteristics

Characteristics	Subgroups	NP (N)	NF (N)	NI (N)	NIF (N)
Age (year)	Mean age	56.43 ± 15.28
Age (year)	Age range	18–85
Age	≥ 65	10	6	31	9
Age	< 65	30	9	120	19
Gender	Male	26	7	100	16
Gender	Female	14	8	51	12
Smoker	Yes	26	13	100	25
Smoker	No	14	2	51	3
Etiology	Malignant tumor	22	10	83	17
	Benign tumor or jaw cyst	5	0	16	1
	ORN	9	4	38	9
	Trauma	4	1	14	1
Site	Mandible	35	13	130	26
Site	Maxilla	5	2	21	2
Flap type	VFF	31	11	131	27
Flap type	VIF/scapula	9	4	20	1
IF	Yes	15	8	53	17
IF	No	25	7	98	11
DIIS	I stage	10	5	35	11
DIIS	II stage	30	10	116	17
Implant location	Graft bone	32	12	133	26
Implant location	Native bone included	8	3	18	2
Oral hygiene	Good	27	4	110	6
Oral hygiene	Poor	13	11	41	22
Flap complication	Yes	12	6	45	13
Flap complication	No	28	9	106	15
Implant length	> 8 mm	34	11	122	21
Implant length	≤ 8 mm	6	4	29	7
Systemic disease	Yes	9	4	34	18
Systemic disease	No	31	11	117	10

IF irradiated flap, ORN osteoradionecrosis, VFF vascularized fibular flap, VIF vascularized iliac flap, VOSF vascularized osteomyocutaneous scapular flap, DIIS dental implant insertion stage, NP numbers of patients who received dental implant(s), FP numbers of patients with failed dental implant(s), NI numbers of implants, NIF numbers of implant failure