An 11-Year Retrospective Research Study of the Predictive Factors of Peri-Implantitis and Implant Failure: Analytic-Multicentric Study of 1279 Implants in Peru

Table 2

Surgical risk factors of osseointegrated dental implants.

Factors	Category	UPCH-SI, n (%)	HCFAP, n (%)	CMNAVAL, n (%)	UPSJB, n (%)	UPCH-SM, n (%)	Total, n (%)
Bone quality (X10)	Type I	2 (7.4)	0	7 (25.9)	1 (3.7)	17 (62.9)	27 (100)
	Type II	36 (10.4)	32 (9.8)	119 (34.4)	26 (7.5)	132 (38.2)	345 (100)
	Type III	28 (49.1)	9 (15.7)	17 (29.8)	2 (3.5)	1 (1.7)	57 (100)
	Type IV	1 (50)	0	0	0	1 (50)	2 (100)
Bone quantity (X11)	A	0	1 (4.5)	6 (27.2)	1 (4.5)	14 (63.6)	22 (100)
	B	47 (19.3)	33 (13.5)	68 (27.9)	13 (5.3)	82 (33.7)	243 (100)
	C	18 (12.1)	7 (4.7)	69 (46.6)	14 (9.4)	40 (27.0)	148 (100)
Design (X12)	Conical	6 (7.32)	0	38 (46.3)	27 (32.9)	11 (13.4)	82 (100)
	Cylindrical	20 (29.8)	14 (20.9)	16 (23.8)	0	17 (25.3)	67 (100)
	Hybrid	41 (14.5)	27 (9.5)	89 (31.5)	2 (0.7)	123 (43.6)	282 (100)
Smoker (X13)	Not present	60 (14.1)	41 (9.6)	143 (33.7)	29 (6.8)	151 (35.6)	424 (100)
	Present	7 (100)	0	0	0	0	7 (100)
Connection (X14)	Internal	7 (3.2)	40 (18.6)	130 (60.4)	3 (1.4)	35 (16.2)	215 (100)
	External	6 (85.7)	0	18 (14.2)	0	0	7 (100)
	Morse cone	54 (25.8)	1 (0.4)	12 (5.7)	26 (12.4)	116 (55.5)	209 (100)
Type of edentulism (X15)	Total	3 (21.4)	0	0	0	11 (78.5)	14 (100)
	Partial	64 (15.3)	41 (9.8)	143 (34.2)	29 (6.9)	140 (33.5)	417 (100)
Staging (X16)	First stage	1 (9.0)	0	3 (27.2)	6 (54.5)	1 (9.0)	11 (100)
	Second stage	66 (15.7)	41 (9.7)	140 (33.3)	23 (5.4)	150 (35.7)	420 (100)
3D surgery (X17)	Not present	67 (15.5)	41 (9.5)	143 (33.1)	29 (6.7)	151 (35.0)	431 (100)
	Present	0	0	0	0	0	0
Load (X18)	Early	0	0	7 (41.1)	6 (35.2)	4 (23.5)	17 (100)
	Conventional	67 (16.1)	41 (9.9)	136 (32.8)	23 (5.5)	147 (35.5)	414 (100)
Bone graft (X19)	Not present	59 (19.2)	35 (11.4)	95 (31.0)	14 (4.5)	103 (33.6)	306 (100)
	Present	86 (6.4)	6 (4.8)	48 (38.4)	15 (12.0)	48 (38.4)	125 (100)
Peri-implantitis (X20)	Not present	59 (14.4)	40 (9.8)	134 (32.8)	27 (6.6)	148 (36.2)	408 (100)
	Present	8 (34.7)	1 (4.3)	9 (39.1)	2 (8.7)	3 (13.0)	23 (100)
Mucositis (X21)	Not present	58 (14.2)	40 (9.8)	135 (33.0)	27 (6.6)	146 (36.2)	408 (100)
	Present	9 (39.1)	1 (4.3)	8 (34.7)	2 (8.7)	3 (13.0)	23 (100)
GBR (X22)	Not present	51 (16.7)	34 (11.1)	97 (31.6)	16 (5.2)	107 (35.0)	305 (100)
	Present	16 (12.7)	7 (5.5)	46 (36.5)	13 (10.3)	44 (34.9)	126 (100)