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Table 1 Patient characteristics at the time of augmentation

From: Autogenous bone grafts in oral implantology—is it still a “gold standard”? A consecutive review of 279 patients with 456 clinical procedures

Patient characteristics N (%)
Gendera  
 Male 250 (89.6%)
 Female 29 (10.4%)
Agea  
  <40 years 162 (58.0%)
  >40 years 117 (42.0%)
Smoking habitsa  
 Smokers 93 (33.3%)
 Non-smokers 186 (66.6%)
API scorea  
  <20% 174 (62.3%)
  ≥20% 105 (37.6%)
SBI scorea  
  <20% 213 (76.3%)
  ≥20% 66 (23.6%)
Cause of tooth lossa  
 Caries/periodontitis 251 (89.9%)
 Trauma 20 (7.1%)
 Hypodonty 8 (3.0%)
Augmentation site in the upper or lower jawa  
 Only maxilla 190 (68.1%)
 Only mandible 69 (33.9%)
Both maxilla and mandible 20 (7.1%)
Dental situationb  
 Tooth gap 99 (21.7%)
 Single-tooth gap 163 (35.7%
 Free-end dental arch 154 (33.7%)
 Edentulous 40 (8.9%
Surgeonc  
 Residents 223 (35.2%)
 Senior consultants 410 (64.8%)
  1. a N refers to the total number of the study patients (N = 279)
  2. b N refers to the total number of the augmented areas (N = 456)
  3. c N refers to the total number of the surgical approaches (N = 633)