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Table 1 Features of the subjects included in the study

From: Narrow implants (2.75 and 3.25 mm diameter) supporting a fixed splinted prostheses in posterior regions of mandible: one-year results from a prospective cohort study

Number of patients 42
Males (%) 18 (42.9%)
Females (%) 24 (57.1%)
Mean age at insertion (range) 62.6 (49–73)
Smokers (less than 10 cigarettes/die) 12 (28.6%)
Diseases in history
 Controlled diabetes type 2 11 (26.2%)
 Hypertension 19 (45.2%)
Site of insertion
 Premolar 81 (65.3%)
 Molar 43 (34.7%)
Opposite dentition
 Opposing maxillary complete denture 7 (16.7%)
 Opposing fixed rehabilitation and natural teeth 26 (61.9%)
 Opposing removable prosthesis and natural teeth 9 (21.4%)