Comparative Study of Immediate Single Unit Implants in Early Loading Protocols, With or Without Photobiomodulation.

Inclusion Criteria: * Patients satisfying all inclusion criteria and none of the exclusion criteria will be informed verbally and in writing about the study and signed the informed consent form. * The implant area is free of infection * Patients without systemic pathology or medical and general contraindications that are absolute contraindications for surgical procedures; * Adults who agree to take part in the study and signed the informed consent form. * Smokers of less than 5 cigarettes/day. * Not to be completely edentulous. * Need for extraction of at least one tooth. * Post-extraction bone area (fresh alveolus). * Patients with sufficient bone height to obtain primary stability for implant installation (2 mm longer than the largest root). * Edentulous areas with sufficient mesial-distal, buccolingual and interocclusal space for the placement of an anatomical restoration with a prosthetic space of at least 5 mm. Exclusion Criteria: * Immunosuppressed. * Smokers of more than 5 cigarettes/day. * Bleeding rate greater than 30 %. * Presence of active or uncontrolled periodontal disease; * Patients with less than 2 mm of keratinised gingiva. * Implants with primary stability with ISQ \< 50 * When this is not possible, assume a security margin to the inferior dental nerve of at least 1 mm. * Previus history of local radiotherapy in the head and neck region.