Success Rate of Immediately Loaded Implants With Platform Switched Design Placed in Anterior Part of Mandible and Restored With Fixed Prostheses

Inclusion Criteria: * age 18 to 80 * male or female (female non-pregnant) * sufficient oral hygiene * no inflammation/disorder in the area of implant site * edentulous mandible and sufficient prosthetic and conservative * sufficient width and height of bone to place implants with diameters of 4.8mm and length of 11 mm * provide written informed consent Exclusion Criteria: * demonstrate a need for pre-surgical bone or soft tissue augmentation in planned implant areas * exhibit angulation requirements of restoration exceeding 15 degrees * systemic metabolic disorder that would compromise post-operative tissue regeneration or osseointegration * taking medication that would compromise post-operative healing and/or osseointegration * bone disorders such as osteoporosis, hyperparathyroidism, Paget's disease, diabetes mellitus * oncology treatment * oral infection * acute gingivitis and/or periodontitis * local bone defects in the area of planned implantation * disorders of oral mucosa (e.g., leukoplakia, oral lichen, pemphigoid lesions) * received investigational drug within 30 days * history of illicit drugs or alcohol abuse * history of addiction to medication * allergic to dental materials * nicotine abuse (\> 20 cigarettes/day) * pregnant or nursing * clinical significant or unstable medical or physiological conditions that would compromise participation in study * unable or unwilling to return for follow-up visits for a period of 24 months