What does “Causes of dental implant failure” mean?
Causes of implant failure are the factors behind inadequate bonding to bone or problems with surrounding tissues or the implant itself that prevent continued function. A loose screw or fractured prosthesis must be distinguished from loss of stability of the implant body.
Separate early healing problems from problems during use
Early problems can involve inadequate osseointegration. Bone, infection, surgery and healing conditions are among the factors assessed. During later use, problems may instead include inflammation and bone loss around the implant or damage to components.
Assess inflammation and mechanical problems separately
Plaque-associated peri-implant diseases are distinguished as peri-implant mucositis, with inflammation of the surrounding soft tissue, and peri-implantitis, which also involves loss of supporting bone. Screw loosening or prosthetic fracture can be a mechanical connection or restoration problem. Examination also checks whether both types coexist, so the visible prosthesis alone is not enough to judge.
Plan treatment and prevention after assessing the cause
Review modifiable conditions such as hygiene, periodontal health, smoking and general health before choosing treatment. Report bleeding, swelling, pain, an unusual smell or movement to the dental team rather than waiting for a scheduled visit. Do not tighten components yourself or rely on medication alone.
Frequently Asked Questions
Does a loose implant always need removal?
First identify what is moving. A loose prosthesis or connection screw requires a different assessment from loss of stability of the implant body. Removal should not be decided without examination.
Can good care completely prevent implant failure?
Care is important for reducing risk, but it cannot guarantee prevention of every failure. Bone, healing, surgery, prosthetic factors and health must all be assessed. A problem should not automatically be blamed on the patient's cleaning.
Questions about the cause of an implant problem
Learn what the term means and how it relates to your dental condition.
- Sufficient understanding
Is the problem in the implant body, surrounding tissues or connection?
Explanation and evidenceAsk for assessment of movement, inflammation and bone on imaging, with a distinction between biological and prosthetic or screw problems.
Korean Academy of Periodontology · Narrative review for the consensus on diagnosis, treatment and management of peri-implant diseases (2024) - Care after treatment
Which care conditions need to change alongside treatment?
Explanation and evidenceReview hygiene, periodontal health, general health and smoking, and confirm treatment follow-up and measures to reduce recurrence.
Korean Academy of Periodontology · Narrative review for the consensus on diagnosis, treatment and management of peri-implant diseases (2024)
Further reading and references
Further reading
References
- Korean Academy of Periodontology · Narrative review for the consensus on diagnosis, treatment and management of peri-implant diseases (2024)pmc.ncbi.nlm.nih.gov (opens in a new tab)
- US FDA · Implant components and carefda.gov (opens in a new tab)
- European Federation of Periodontology · Peri-implant diseases and warning signsefp.org (opens in a new tab)
