Inclusion Criteria:  Age ≥ 18 years Clinical indication to place a prosthetic bridge supported by a maximum of 4 implants in the posterior sectors Bone height in the area of interest sufficient to place implants 6.5mm length dental implants Availability to be observed during the follow-up period Signature of the informed consent  Exclusion Criteria:  Need to perform bone augmentation surgery prior to implant placement surgery Smokers (> 10 cigarettes per day) Patients with poorly controlled diabetes Patients on chronic treatment with non-steroidal anti-inflammatory drugs Patients receiving oral or intravenous bisphosphonates Patients under chemotherapy or radiotherapy treatment Patients receiving systemic corticosteroids