Single-implant Overdentures Retained by the Novaloc Attachment System

Exclusion Criteria

• •Severe/serious illness that requires frequent hospitalization
• •Impaired cognitive function
• •Unable to return for evaluations/study recalls
• •Have a history of radiation therapy to the orofacial region
• •Have specific conditions that may jeopardize the treatment, such as alcoholism or smoking (\>10 cigarettes/day)
• •Have acute or chronic symptoms of parafunctional or temporomandibular disorders
• •Previous dental implant treatment
• •Following radiographic exam, investigators will exclude volunteers with bony pathologic lesions, less than 11 mm of minimum vertical mandibular bone height in the midline or width for planned implants, evident endosseous vascular structures or mandibular ridges with remaining alveolar sockets