Signs Your Dental Implant May Be Failing

Dental implants have a success rate of approximately 95-98%, making them one of the most reliable treatments in dentistry. But that also means a small percentage of implants do fail. Knowing the warning signs early can make the difference between a fixable problem and a more serious complication.

If you have dental implants and something doesn't feel right, these are the things to watch for.

Early vs. late implant failure

Implant failures generally fall into two categories based on timing.

Early failure

Early failure occurs within the first few months after placement, before the implant has fully integrated with the jawbone. This is typically caused by the implant not achieving proper osseointegration, the process by which the bone fuses around the titanium post. Causes can include infection at the surgical site, insufficient bone density, excessive movement of the implant during healing, or the body's failure to bond with the implant surface.

Late failure

Late failure occurs after the implant has been functioning normally, sometimes years after placement. The most common cause of late failure is peri-implantitis, an infection of the tissues surrounding the implant that leads to bone loss around the post. Other causes include excessive mechanical forces (such as chronic grinding), fracture of the implant or restoration, and changes in overall health that affect healing.

Warning signs to watch for

If you experience any of the following, contact your prosthodontist promptly:

• Pain or discomfort around the implant. Some soreness after placement is normal. Pain that develops later, especially after the implant has been stable for months or years, is not normal and should be evaluated.
• Swelling or redness of the gums. Inflammation around the implant site can indicate infection or peri-implantitis.
• Bleeding when brushing around the implant. Healthy implant sites shouldn't bleed during normal brushing. Persistent bleeding is a sign of tissue inflammation.
• The implant feels loose or moves. A properly integrated implant should feel completely solid. Any looseness or movement requires immediate attention.
• Receding gums around the implant. If the gum tissue is pulling away from the implant, exposing the metal post or abutment, it may indicate bone loss underneath.
• Difficulty chewing or a change in bite. If the implant or the restoration on top feels different when you bite down, something may have shifted.
• Bad taste or persistent bad breath. Infection around an implant can produce an unpleasant taste or odor that doesn't go away with normal hygiene.

What causes implants to fail?

Peri-implantitis

This is the most common cause of late implant failure. Peri-implantitis is essentially gum disease around an implant. Bacteria cause inflammation that gradually destroys the bone supporting the implant. Without treatment, the bone loss progresses until the implant can no longer stay in place.

Risk factors for peri-implantitis include poor oral hygiene, smoking, uncontrolled diabetes, and a history of periodontal disease.

Bruxism (teeth grinding)

Chronic grinding or clenching places excessive force on implants and restorations. Over time, this can cause the implant to loosen, the restoration to fracture, or the bone around the implant to break down. Patients who grind their teeth are often advised to wear a night guard to protect their implants.

Insufficient bone support

If the jawbone didn't have adequate density or volume at the time of placement, or if bone grafting wasn't performed when it should have been, the implant may lack the foundation it needs for long-term stability.

Systemic health issues

Conditions that affect healing, including uncontrolled diabetes, autoimmune disorders, certain medications, and smoking, can increase the risk of implant complications.

What to do if you suspect a problem

Don't wait. Early intervention gives you the best chance of saving the implant. Contact your prosthodontist as soon as you notice any of the warning signs listed above. Depending on the issue, treatment may include:

• Deep cleaning and decontamination of the implant surface
• Antibiotic therapy to address infection
• Bone grafting to rebuild lost support
• Adjustment or replacement of the restoration
• In some cases, removal and replacement of the implant itself

The sooner a problem is identified, the more options you have. Many implant complications are treatable when caught early.

Reducing your risk

The best way to prevent implant failure is to maintain good oral hygiene, attend regular dental checkups, avoid smoking, and wear a night guard if you grind your teeth. Choosing an experienced provider for your initial implant placement also matters. Proper surgical planning, precise placement, and high-quality restorations reduce the risk of complications from the start.

Schedule an evaluation

At Northern Colorado Dental Specialty and Implant Center, our board-certified prosthodontists have placed over 5,000 dental implants. If you're experiencing any concerns with an existing implant, whether we placed it or not, we're here to help. We'll evaluate the situation, explain what's happening, and recommend the best course of action.

Call us at 970-825-0000 or schedule a consultation.