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Table 17 Smoking to survival rate

From: The All-on-four concept for fixed full-arch rehabilitation of the edentulous maxilla and mandible: a longitudinal study in Japanese patients with 3–17-year follow-up and analysis of risk factors for survival rate

 

Number of patients

Number of implant placed

Patient level (number of patient failure)

p value

Implant level (number of implant failure)

p value

Maxilla

      

Smoker

104

446

96.2% (4)

0.86

97.3% (12)

0.037*

Non smoker

203

878

96.6% (7)

98.9% (10)

Mandible

      

Smoker

96

392

94.8% (5)

0.019*

98.7% (5)

0.065

Non smoker

158

648

99.4% (1)

 

99.7% (2)

 

Total

      

Smoker

200

838

95.5% (9)

0.13

97.9% (17)

0.0086**

Non smoker

361

1526

97.8% (8)

 

99.2% (12)

 
  1. *p < 0.05, **p < 0.01: Chi-square test