Skip to main content

Table 8 Frequency of implant complications by study variables

From: Clinical outcomes of single implant supported crowns versus 3-unit implant-supported fixed dental prostheses in Dubai Health Authority: a retrospective study

Study variables

No complication

Complication

Unadjusted odds ratio (95% CI)

Adjusted odds ratio (95% CI)*

Gender

 Male

489 (80%)

121 (20%)

Ref

Ref

 Female

900 (85%)

163 (15%)

0.83 (0.52, 1.31)

0.65 (0.36, 1.18)

p = 0.411

p = 0.159

Age

 20–40

277 (83%)

55 (17%)

Ref

Ref

 41–60

620 (83%)

131 (17%)

1.10 (0.63, 1.94)

0.93 (0.50, 1.73)

  > 60

492 (83%)

98 (17%)

0.96 (0.52, 1.76)

0.71 (0.34, 1.48)

p = 0.859

P = 0.616

Case type

 Single crown

673 (86%)

107 (14%)

Ref

Ref

 FDP group

716 (80%)

177 (20%)

1.48 (1.03, 2.14)

1.74 (1.16, 2.61)

p = 0.036

p = 0.008

Medical condition

 No

873 (85%)

158 (15%)

Ref

Ref

 Yes

516 (80%)

126 (20%)

1.49 (0.95, 2.33)

1.64 (0.96, 2.79)

p = 0.086

p = 0.071

Smoking

 No

1222 (82%)

260 (18%)

Ref

Ref

 Yes

167 (87%)

24 (13%)

0.68 (0.34, 1.39)

0.58 (0.25, 1.38)

p = 0.293

p = 0.220

Implant abutment connection

 Screw

1369 (85%)

238 (15%)

Ref

Ref

 Cement

20 (30%)

46 (70%)

29.32 (12.56, 68.41)

36.07 (14.59, 89.18)

p < 0.001

p < 0.001

Implant position (sextant)

 UR posterior

292 (84%)

55 (16%)

Ref

Ref

 Upper anterior

134 (76%)

42 (24%)

1.90 (1.04, 3.48)

1.14 (0.59, 2.23)

 UL posterior

232 (84%)

45 (16%)

0.87 (0.52, 1.48)

0.79 (0.45, 1.37)

 LL posterior

328 (84%)

61 (16%

1.16 (0.70, 1.91)

1.14 (0.68, 1.93)

 Lower anterior

83 (90%)

9 (10%)

0.59 (0.23, 1.48)

0.34 (0.12, 1.00)

 LR posterior

320 (82%)

72 (18%)

1.49 (0.92, 2.42)

1.40 (0.84, 2.35)

p = 0.040

p = 0.084

Implant manufacturer

 Ankylos

43 (84%)

8 (16%)

Ref

Ref

 Astra

418 (86%)

67 (14%)

0.86 (0.31, 2.44)

0.84 (0.26, 2.70)

 Xive

917 (82%)

208 (18%)

0.85 (0.53, 1.37)

0.80 (0.46, 1.38)

 Frialit

11 (92%)

1 (8%)

0.60 (0.05, 7.04)

0.23 (0.01, 5.21)

p = 0.893

p = 0.695

Operator

 Maxillofacial

703 (82%)

151 (18%)

Ref

Ref

 Restorative

686 (84%)

133 (16%)

1.03 (0.67, 1.61)

1.39 (0.82, 2.35)

p = 0.883

p = 0.216

  1. *Estimates and confidence intervals derived from mixed logistic regression models, adjusted for clustering of implants within patients