Study of Neodent Implantable Devices of GM Zygomatic Line

Inclusion Criteria: * 18 years of age or more; * Opposing dentition (natural teeth or teeth/implant-supported fixed restorations). Exclusion Criteria: * Symptomatology related to the facial sinuses (maxillary sinusitis, polyps or any other sinus pathologies); * Unfavorable maxillary relations; * Signs of allergy or hypersensitivity to the chemical ingredients of the material: titanium; * Presence of acute inflammatory or infectious processes in live tissue; * Unsuitable bone volume and/or quality; * Systemic complications or diseases such as bone metabolism disorders, blood clotting disorders, unsuitable healing capacity, incomplete jawbone growth, uncooperative and not motivated patient, abuse of drugs or alcohol, psychosis, prolonged functional disorders which resist any treatment with medications, xerostomia, weakened immunological system, diseases which require the use of steroids, endocrine diseases, insufficient oral hygiene, and pregnancy. Additionally, subjects will be excluded if they present systemic complications that may expose them to an eventual surgical risk if submitted to surgery under general anesthesia or under local anesthesia and sedation (decompensated diabetics, immunosuppressed, patients who were submitted to radiotherapy and chemotherapy less than 4 years or who had a heart attack less than 1 year previously, patients with clinical signs and/or symptoms of sinusitis and congestion and/or nasal secretion.