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Table 2 Patient demographics

From: Implant success and survival rates in daily dental practice: 5-year results of a non-interventional study using CAMLOG SCREW-LINE implants with or without platform-switching abutments

  Overall Subgroup*
Platform switching Platform matching
Patients, n (%) 196 (100) 144 41
Sex, n (%)
 Male 87 (44.4) 62 (43.1) 19 (46.3)
 Female 109 (55.6) 82 (56.9) 22 (53.7)
Age, years
 Mean (SD) 51.5 (14.2) 53.1 (14.4) 47.4 (12.9)
  Range 17.9–82.1 17.9–82.1 19.3–78.5
Pre-implant bone surgeries, n
 Autogenous bone grafting 31 n/a n/a
 Socket preservation 1 n/a n/a
 Others 16 n/a n/a
Pre-implant soft tissue surgeries, n
 Palatal soft tissue graft 15 n/a n/a
 Other 1 n/a n/a
Bone quality, %
 D1: mainly homogenous bone 12.8 8.9 22.4
 D2: compact bone thick 42.2 42.4 41.8
 D3: compact thin/cancellous good density 42.2 45.3 35.8
 D4: compact thin/cancellous low density 2.8 3.4 0.0
Reasons for tooth loss, n (%)
 Caries 53 (19.3) 36 (18.4) 13 (19.4)
 Endodontic 96 (35.0) 67 (34.2) 24 (35.8)
 Fracture 35 (12.8) 32 (16.3) 3 (4.5)
 Periodontal 46 (16.8) 33 (16.8) 13 (19.4)
 Endodontic and periodontal 3 (1.1) 3 (1.5) 0 (0.0)
 Caries and periodontal 4 (1.5) 4 (2.0) 0 (0.0)
 Endodontic and fracture 2 (0.7) 1 (0.5) 1 (1.5)
 Others 35 (12.8) 20 (10.2) 13 (19.4)
 Missing 11 (3.9)   
Smoking status, n (%)
 Non-smoker 166 (86.5) 121 (85.2) 37 (90.2)
 Mild smoker (≤ 10/day) 18 (9.4) 13 (9.2) 4 (9.8)
 Heavy smoker (> 10/day) 8 (4.2) 8 (5.6) 0 (0.0)
General health status, n (%)
 ASA P1 161 (85.6) 118 (85.5) 34 (82.9)
 ASA P2 26 (13.8) 20 (14.5) 6 (14.6)
 ASA P3 1 (0.5) 0 (0.0) 1 (2.4)
  1. *Eleven patients with 14 implants were not loaded/restored with abutments due to early implant failures or because the patients were lost to follow-up (Fig. 1)