Failure of dental implant due to lack of attached gingiva Failure of dental implant due to occlusal trauma (caused by poor prosthetic design) Failure of dental implant due to parafunctional habits Failure of dental implant due to periodontal infection (peri-implantitis) Failure of dental implant due to poor oral hygiene Iatrogenic post-osseointegration failure of dental implant Post-osseointegration failure of dental implant due to complications of systemic disease |