Impact of Implant Insertion Torque on Peri-implant Bone Level.

Inclusion Criteria: * All partially edentulous patients requiring simple Implant placement, * being at least 18-year-old and able to sign an informed consent, * The patients that will be enrolled must have a bone quantity that allows the placement of regular implants according to the radiographic evaluations (pre-operative radiographic examination). Exclusion Criteria: * Heavy smokers (more than 10 cigarettes/day). * Immunosuppressed or immunocompromised patients * Uncontrolled diabetes * Active periodontal disease * Patients with a full mouth marginal bleeding score higher than 20% * Addiction to alcohol or drugs * Psychiatric problems * Severe caries, periapical lesions, acute infection (abscess) * Immediate post-extractive implants (at least 2 months after extraction have to elapse) * Patients unable to commit to 3-year follow-up. * Patients treated or under treatment with intravenous amino- bisphosphonates. * Patients participating to other studies, if the present protocol could not be fully adhered to.