Dental implants are one of the most reliable ways to replace missing teeth. Dental implants provide a strong, natural-looking tooth replacement, and most last for decades. But implant failures do happen, and knowing the early signs gives you the best chance to save the implant or fix the problem quickly.
This guide explains how common implant failures are, the signs to watch for, what causes dental implants to fail, how to reduce your risk, and what happens if an implant fails.
Quick Answer: How Common Are Implant Failures?
Not very. A 2019 systematic review in the Journal of Dentistry found that about 96% of implants were still in place after 10 years. Even the review’s more cautious estimate put 10-year implant survival above 93%. That’s a high success rate for any dental procedure. Modern dental implants succeed in the vast majority of cases, and most patients never experience implant failure.
When dental implant failure occurs, it usually happens in one of two windows: early, within the first few months while the implant fuses with the bone, or late, years after the replacement tooth is attached.
Early vs. Late Implant Failures
Early Failure
Early implant failure occurs before or during osseointegration, the process by which the implant fuses with the jawbone. If that bond never forms, the implant stays loose and has to come out. Typical causes include infection, smoking, too little bone, too much pressure on the implant while it heals, or an implant that wasn’t stable when it was placed.
Late Failure
Late implant failure shows up a year or more after treatment. The implant fused properly, but something breaks down over time. The leading cause of implant failure at this stage is peri-implantitis, a gum infection that causes inflammation and bone loss around the implant. Grinding your teeth, a poorly fitting crown, and skipping cleanings also play a role.
Warning Signs of Implant Failure
Watch for these signs of dental implant trouble:
- Persistent pain or discomfort that gets worse instead of better, or returns months later
- Swelling or redness in the gums around the implant site
- Bleeding or pus around the implant when you brush or floss
- Receding gums that expose the metal post or make the tooth look longer
- A loose implant or crown, or any movement when you bite
- Trouble chewing or a sudden change in how your bite feels
- A bad taste or smell that doesn’t go away
Loose Implant or Loose Crown?
This difference matters. If the crown (the visible tooth) or the small screw holding it comes loose, the implant underneath is usually fine, and it’s a simple repair. If the implant itself moves, it has likely lost its bond with the bone. Only a dental professional can tell which one it is, often with a digital X-ray.
If you notice any of these signs, call your dentist promptly. Early detection and early intervention give you the best chance to save the implant.
What Causes Dental Implants to Fail?
These are the most common causes and risk factors for dental implants:
Peri-Implantitis and Implant Infections
Plaque buildup causes infection around the implant, much like gum disease around natural teeth. Without treatment, the infection destroys the surrounding bone. Poor oral hygiene is the main driver, which is why cleaning around implants matters so much.
Smoking and Vaping
Nicotine reduces blood flow to the gums and slows healing. Studies consistently link smoking to higher implant failure rates. If you smoke, your dentist may advise you to stop smoking for at least a few weeks before and several weeks after implant surgery.
Insufficient Bone
An implant needs adequate bone to hold it. If the bone is too thin or soft, the implant may never stabilize. Bone grafting can rebuild it first, and a 3D scan shows if bone grafting is needed before implant placement.
Health Conditions
Along with factors like smoking, uncontrolled diabetes, osteoporosis treated with certain medications, and conditions or treatments that weaken the immune system can increase the risk of implant failure. Good control of these conditions improves the odds.
Grinding and Overload
Clenching or grinding puts heavy force on an implant. Over time, stress on the implant from excessive biting forces can loosen it or damage the tooth on top. A custom night guard helps protect it.
Placement and Planning
An implant placed at the wrong angle, in a poor position, or too close to nerves or the sinus is more likely to have implant problems. Careful 3D planning before dental implant surgery, and through the whole implant process, lowers that risk.
How to Prevent Implant Failures
Most failures are preventable. Long-term implant success depends mostly on daily habits and checkups. You can reduce your risk by:
- Good daily dental care: brushing twice a day and using floss or a water flosser to clean the implant and the gums around it
- Attending regular dental checkups and cleanings, at least twice a year
- Avoiding smoking and vaping, especially around the time of surgery
- Wearing a night guard if you grind your teeth
- Keeping diabetes and other health conditions under control
- Following your aftercare instructions exactly after implant surgery
When you attend regular dental visits, your dentist can catch problems early, often before you notice symptoms.
What Happens If a Dental Implant Fails?
Can a Failing Implant Be Saved?
Sometimes. If peri-implantitis is caught early, your dentist can deep clean the implant, treat the infection with antibiotics or laser therapy, and in some cases rebuild bone with guided bone regeneration. A loose crown or screw can simply be tightened or replaced.
Removing a Failed Implant
If the implant has lost its bond with the bone, the dentist will remove the implant and plan how to replace the implant. This is usually a quick procedure under local anesthesia, often easier than the original surgery.
Can a Failed Dental Implant Be Replaced?
In most cases, yes. After the failed implant is removed, the site is cleaned and often grafted. Once the bone heals, usually within three to six months, a new implant can be placed. Replacement implants placed after a failure have high success rates when the original cause, such as smoking or infection, is addressed first. The bone must heal well before the implant is placed, and with the cause fixed, a successful implant the second time is very common.
Will Insurance Cover a Replacement?
It depends on your plan and the reason for the failure. Some practices and implant manufacturers also offer limited coverage on implants they place. If you need a replacement, our team will check your insurance benefits first and give you a written estimate before any treatment, so there are no surprises.
Concerned About an Implant? We Can Help
At Dunedin Dental Associates, our implant dentistry team evaluates dental implants placed at our office and at other practices. We use Planmeca 3D imaging to assess your bone and the implant, explain if it can be saved, and walk you through your options, including full mouth dental implants if several teeth are involved, if it needs to be replaced. You don’t need to have had your implant placed here for us to help.
If you notice any of these signs, don’t wait. Early treatment can save the implant.
Questions About Dental Implants and Implant Failures
What does dental implant failure feel like?
It often starts with tenderness or pain around the implant, swelling, or bleeding when you brush. Later signs include a loose implant or difficulty chewing.
Is dental implant failure painful?
Not always. Early failure is often painful, but peri-implantitis around dental implants can progress quietly. That’s why routine checkups matter.
Can smoking or vaping cause dental implants to fail?
Yes. Nicotine reduces blood flow and slows healing, which raises the risk of both early and late problems.
How long after a failed implant can a new one be placed?
Usually three to six months after the old implant is removed, once the bone has healed. If a graft is needed, it may take a little longer.
Is gum pain normal after implant crown placement?
Mild tenderness for a few days is normal. Pain that lasts more than a week, or gets worse, should be checked.
Can you take ibuprofen after dental implant surgery?
Many dentists recommend over-the-counter pain relievers like ibuprofen after surgery, unless your doctor has told you to avoid them. Follow your dentist’s specific instructions.
Talk to Us About Your Implant
Worried about an implant, or planning a new one? Book a visit and get a clear answer from a 3D scan and an exam.
Book an Appointment or call or text (727) 734-3321.
Medically reviewed by Dr. Matthew P. Burton, Dunedin Dental Associates. This article is for general information and is not a diagnosis. Contact a dentist if you have symptoms.
