Dental implants have strong long-term success rates. Published research consistently reports survival rates above 95% at 10 years. But that also means a small percentage of implants do fail, and knowing the warning signs early makes a significant difference in outcomes.
If you have an implant and something feels wrong, this guide covers what to watch for and when to act.
Early Failure vs Late Failure
Implant failure broadly falls into two categories based on timing.
Early failure occurs within the first few months, before the implant has fully integrated with the bone. The implant may not develop a stable bond with the surrounding bone (osseointegration), and it becomes mobile. This affects roughly 1 to 3% of implants placed, depending on the clinical situation.
Late failure occurs months or years after successful integration. The implant was stable, functioned well, and then began to deteriorate. Late failure is most commonly caused by peri-implantitis (infection around the implant) or excessive mechanical forces.
Both types are treatable when identified early. Neither should be ignored.
Warning Signs to Watch For
Persistent Pain After Healing
Some discomfort in the first week after placement is normal. Swelling, mild bruising, and tenderness around the surgical site typically resolve within 7 to 10 days.
Pain that persists beyond two weeks, returns after an initial more settled period, or worsens progressively is not normal. It may indicate infection, nerve involvement, or failure to integrate.
Implant Mobility
A successfully integrated implant should feel exactly like a natural tooth. It should not move. Any wobble, rocking, or looseness is a serious sign. If your implant feels mobile at any stage, contact your dentist the same day.
Swelling or Redness Around the Implant
Gum tissue around a healthy implant should look pink and firm, similar to gum tissue around natural teeth. Persistent redness, swelling, or puffiness localised around one implant (rather than generalised gum inflammation) may indicate peri-implant mucositis, the early stage of peri-implantitis.
Caught at the mucositis stage, this is often reversible with professional cleaning and improved home care. Left untreated, it can progress to bone loss.
Bleeding When Brushing or Flossing
Healthy implant sites should not bleed with normal brushing. Consistent bleeding around an implant site warrants a dental check-up to assess the tissue health.
Bone Loss on X-rays
You may not feel bone loss happening. It is often detected on routine dental X-rays before symptoms appear. This is one of the key reasons we recommend six-monthly reviews for implant patients. Gradual bone loss around an implant (visible as a dark shadow on the X-ray) is the hallmark of peri-implantitis.
If you notice any of these signs, book an emergency appointment online at any time or call Ivy Dental on (07) 3266 7120 during opening hours. Timing depends on clinical urgency and clinic capacity. Early intervention may help protect the implant and surrounding bone.
What Causes Implant Failure?
Infection (Peri-implantitis)
The most common cause of late failure. Bacteria accumulate around the implant-gum junction, triggering inflammation and progressive bone loss. Patients with a history of gum disease are at higher risk.
Smoking
Smoking reduces blood flow to healing tissues and significantly increases the risk of implant failure. Research suggests smokers have roughly double the failure rate of non-smokers. If you smoke and are considering implants, your clinician should discuss this risk with you openly.
Insufficient Bone Quality or Volume
If an implant is placed into bone that is too thin, too soft, or inadequately grafted, integration may not occur. This is why 3D imaging (CBCT scanning) before placement is essential. At Ivy Dental, every implant case is planned with a CBCT scan.
Excessive Force
Grinding (bruxism), clenching, or biting on extremely hard objects can overload an implant, especially a single implant replacing a molar. A night guard may be recommended to protect your implant if you grind.
Poor Oral Hygiene
Implants cannot develop cavities, but the tissue and bone around them are just as vulnerable to bacterial infection as the tissue around natural teeth. Skipping daily cleaning around the implant or missing professional maintenance appointments increases risk substantially.
How Implant Failure Is Treated
Treatment depends on the type and stage of failure.
Peri-implant mucositis (early stage): Professional debridement of the implant surface, antimicrobial therapy, and improved home care. At this stage, the condition is often reversible without surgery.
Peri-implantitis with bone loss: May require surgical access to clean the implant surface, bone grafting around the affected area, and close follow-up. Outcomes are less predictable once significant bone loss has occurred.
Failed integration (early failure): The implant is removed. The site is allowed to heal for 2 to 3 months, and in many cases a new implant can be placed in the same location, sometimes with additional grafting.
Mechanical failure (fractured implant or abutment): The fractured component is replaced. In rare cases where the implant body itself has fractured, the implant may need to be removed and replaced.
How to Reduce Your Risk
Prevention is more effective than treatment. For patients with implants:
- Clean around the implant daily with an interdental brush or water flosser
- Attend six-monthly professional cleans and check-ups at Ivy Dental
- Do not smoke, or seek support to stop before and after placement
- Wear a night guard if you grind or clench
- Report any changes in how the implant feels, even subtle ones
When to Call Your Dentist
Call the same day if you notice:
- Any mobility of the implant
- Sudden pain around an implant that was previously comfortable
- Pus or discharge from the gum around the implant
Book within the week if you notice:
- Persistent bleeding when cleaning around the implant
- Gum redness or swelling that is not resolving
- A change in how your bite feels on the implant
Concerned about an existing implant? Book an implant review at Ivy Dental in Everton Park or Nundah. Call (07) 3266 7120 or book online. Visit our implant cost page for pricing information.
Individual outcomes vary. This guide is general in nature and does not replace personalised clinical advice.
