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Table 1 Characteristics of the subjects at the 7-year follow-up

From: Porous titanium granules in the treatment of peri-implant osseous defects—a 7-year follow-up study

Characteristic Case (PTG) group (n = 6) Control group (n = 6)
Age (year), mean ± SD 67 ± 12.9 range, 45–79 67.2 ± 11.8 range, 53–85
Male/female (n) 3/3 2/4
Smoker 2/6 3/6
Former smokers 3/6 2/6
Diabetes (type 2) 1/6 1/6
PlI at follow-up (%), mean ± SD 19.6 ± 15.5 28.8 ± 35.1
Periodontal supportive care 6/6 5/6
Reason for placing implants
 Periodontitis 5/6 3/6
 Trauma 1/6 1/6
 Caries 0 1/6
 Agenesia/Anodontia 0 1/6