Failure of a dental implant is often related to the failure of the implant to osseointegrate correctly with the bone, or vice versa.<ref>{{citeCite bookjournal|titlefirst1=DentalGirish|last1=Galagali|first2=E. Srinivas|last2=Reddy|first3=Prakash|last3=Nidawani|first4=Sidhartha|last4=S ImplantsP CostsBehera|yearfirst5=2021Pavan|last5=Preetham|first6=Mythri|last6=Sarpangala|date=January–March 2014|title=Implant Failures: A Comprehensive Review|url=httpshttp://www.jointhegraveijpcdr.com/howpdf/2014/January-much-are-dental-implants-costsMarch/9044.pdf|journal=International Journal of Preventive & Clinical Dental Research|volume=2014;1(1)|pages=11–17}}</ref>
<ref>{{Cite journal|first1=Girish|last1=Galagali|first2=E. Srinivas|last2=Reddy|first3=Prakash|last3=Nidawani|first4=Sidhartha|last4=S P Behera|first5=Pavan|last5=Preetham|first6=Mythri|last6=Sarpangala|date=January–March 2014|title=Implant Failures: A Comprehensive Review|url=http://ijpcdr.com/pdf/2014/January-March/9044.pdf|journal=International Journal of Preventive & Clinical Dental Research|volume=2014;1(1)|pages=11–17}}</ref>
A dental implant is considered to be a failure if it is lost, mobile or shows peri-implant (around the implant) bone loss of greater than 1.0 mm in the first year and greater than 0.2 mm a year after.<ref>Tissue-integrated prostheses :osseointegration in clinical dentistry, Per-Ingavar Branemark, George A. Zarb, Tomas Albrektsson, 1985</ref>
