You had a dental implant placed somewhere else, and now something is wrong. Maybe it never fully healed. Maybe the crown loosened. Maybe the implant itself failed and was removed, and now you're staring at a gap and a treatment plan that feels worse than where you started. Maybe the office that placed it is no longer returning your calls, or you've lost confidence in their answer to "what now?"
This guide is for that moment.
It walks through why dental implants fail, what the realistic next options are, and what kind of second opinion is worth getting before you commit to round two. Most failed-implant cases are recoverable. The question is whether the next plan is built carefully — or quickly.
How Often Do Implants Fail?
Modern dental implants succeed at very high rates — typically 95–98% over ten-plus years when placed and restored well. But that means 2–5 out of every 100 implants fail. When you're the patient who got the unlucky one, the success-rate statistic doesn't help.
Failures cluster into a few specific causes. Knowing which one applies to your case is the first step in deciding what to do next, because the cause determines whether the same site can be re-implanted, whether a graft is needed first, or whether a different replacement approach makes more sense.
Why Implants Fail — The Five Common Patterns
1. Osseointegration Failure (Early)
The implant didn't fuse to the bone during the initial three- to six-month healing period. The body never accepted the titanium post. This usually shows up as the implant feeling loose or being painful when chewed on shortly after placement.
Common causes: poor initial stability, excessive micromotion during healing, smoking, uncontrolled diabetes, or bone that was too soft for the implant geometry chosen.
Next step: the failed implant is removed, the site is allowed to heal, and re-implantation is often possible after 3–6 months. A bone graft may or may not be needed depending on what's left.
2. Peri-Implantitis (Late)
An inflammatory infection around the implant — the implant equivalent of severe gum disease. The gums and bone around the implant slowly break down over months or years. Often painless until the implant becomes mobile.
Common causes: inadequate cleaning around the implant, cement residue from the crown cementation, smoking, periodontal disease elsewhere in the mouth, or a poorly designed prosthesis that's hard to keep clean.
Next step: depends on severity. Early peri-implantitis can sometimes be saved with deep cleaning and antibiotics. Advanced cases require implant removal, infection clearance, bone grafting, and a fresh implant later. This is the most common late-failure cause.
3. Occlusal Overload
The implant survived integration but fractured or loosened because the bite forces were too high. Common in patients who grind their teeth at night, or when the crown was placed at a height that made it the first tooth to hit when biting.
Common causes: untreated bruxism, missing nightguard, crown made too tall, single implant carrying force meant for a bridge.
Next step: the existing implant may be saveable with a new crown at the correct height plus a nightguard. If the implant body itself fractured, removal and replacement is required.
4. Implant Positioning Problems
The implant was placed at the wrong angle, too close to a neighboring tooth, too close to a nerve, or in a location that doesn't allow a properly contoured crown. The implant may be osseointegrated and healthy, but the restoration on top is compromised — aesthetics off, food trap, hard to clean, or the crown looks "long" relative to the natural teeth.
Common causes: placement done without 3D planning, or done with shortcuts that prioritized speed over precision.
Next step: sometimes the crown can be redesigned to camouflage the positioning issue. Sometimes the implant has to come out and be replaced in the correct position. A Prosthodontist evaluates this — the surgical office that placed it often can't tell, because the planning is downstream of the restoration.
5. Crown or Abutment Failure
The implant itself is fine, but the parts on top — the abutment (the piece that screws into the implant) or the crown (the visible tooth) — broke, loosened, or wore out. Not technically an "implant failure" but feels like one to the patient.
Common causes: worn-out cement seal, screw loosening, fracture of porcelain, or normal wear after 10+ years.
Next step: usually a straightforward replacement of just the failed part. The implant body stays. This is the cheapest and fastest of the failure scenarios — but it can be hard to tell from the outside whether the underlying implant is also compromised. Imaging required.
The Decision Tree After a Failed Implant
When a patient walks in with a failed implant, the workup almost always looks like this:
- What exactly failed? Implant body, abutment, crown, or surrounding bone/gum? 3D CBCT scan is non-negotiable. A 2D panoramic x-ray is not enough to plan a revision.
- Why did it fail? If the cause isn't identified, the replacement will fail the same way. Look for cement residue, occlusal interferences, positioning problems, periodontal disease elsewhere, medical contraindications.
- What's the prognosis of the surrounding teeth? A failed implant in isolation is different from a failed implant in a mouth with three other compromised teeth. The treatment plan may need to expand.
- What does the patient want? A new implant in the same spot is one option. A bridge using the neighbors is another. A removable partial is a third. Doing nothing in that spot — and accepting the gap — is sometimes the right answer.
- What's the timing? Some replacements can happen immediately. Most require months of healing and grafting between removal and re-implantation. Honesty about timing is critical because the patient is usually impatient (understandably).
A treatment plan that does not walk through all five of these questions is a treatment plan that may fail again.
What to Bring to a Second Opinion
If you're seeking a second opinion on a failed implant, walk in with:
- Any imaging the original office took. CBCT scans, panoramic x-rays, periapical x-rays. Ask the original office to send them — they're required to under HIPAA.
- The implant brand and size. This is in your chart. Different implant systems have different parts, and a new restoring dentist needs to know what they're working with. If the abutment is salvageable, knowing the brand saves money.
- What was done and when. Date of placement, date of any complication, any antibiotics or treatments you've received since.
- Honest medical history. Diabetes control, smoking, bone-modifying medications (bisphosphonates), recent radiation. These change the recovery picture.
- What the original office told you about the cause. Even if you don't trust their answer, their explanation is data.
Why a Prosthodontist for a Failed-Implant Case
Prosthodontics is the dental specialty focused on diagnosis, treatment planning, and rehabilitation of patients with missing or compromised teeth — three additional years of specialty training beyond dental school dedicated to exactly this kind of case.
For a failed implant, the Prosthodontist's value is two-fold:
Diagnosis. Failed implants almost always look the same from the outside. The differential diagnosis between osseointegration failure, peri-implantitis, occlusal overload, positioning, and crown failure requires careful imaging review and clinical examination. A specialist who looks at hundreds of these cases recognizes the patterns; a generalist may not.
Plan integration. The replacement plan needs to consider the rest of the mouth — what's restorable, what's not, where the bite forces will go after the replacement is placed, what the long-term maintenance looks like. The original surgical office may not have planned the case that way, and that's often why it failed.
A Prosthodontist-led second opinion is also independent of the surgical office. There's no economic incentive to defend the original work or push you back into the same plan. The recommendation is reasoned from your case.
Questions to Ask at a Second-Opinion Consultation
- "Based on the CBCT, what specifically failed?" A specialist should be able to point to it on the scan and explain it.
- "What's the most likely cause?" If they don't have a clear answer, the diagnostic depth may be insufficient.
- "Can the same site be re-implanted, or do we need a graft first?" Concrete answer with timing.
- "Should I keep this implant brand, or switch?" Sometimes the original system is hard to source parts for.
- "What's the realistic timeline from today to a final crown?" Not best-case marketing — realistic.
- "What does the maintenance plan look like to avoid this happening again?" Especially important for peri-implantitis cases — the cleaning protocol has to change.
- "If this implant fails again, what's plan B?" A specialist who's already thought about plan B has thought carefully about plan A.
When to Get a Second Opinion (vs. Going Back)
You should get a second opinion when:
- The original office's plan for fixing the failure feels rushed
- You're being quoted significantly more money for the revision than the original placement
- The same office that placed the failed implant is offering to replace it with no explanation of what went wrong
- You've lost confidence in the original provider for any reason
- The replacement involves significant additional procedures (grafting, sinus lift, multiple implants where there was one)
- A surgical procedure outside the original provider's specialty is being recommended
Going back to the original office can be the right answer when the failure was unambiguous (e.g., obvious crown fracture from a known trauma), the proposed fix is conservative, and you trust their explanation. But for anything more complex, an independent second opinion is worth the consultation fee.
A Note on Cost
Failed-implant revisions cost more than original placements. There's no easy way around this — extra imaging, possible bone grafting, sometimes a new implant body, often a new crown, plus the diagnostic work to figure out why the first one failed. A second opinion adds another consultation visit but typically saves money in the long run by surfacing a more conservative plan or catching a contributing factor the original office missed.
If the original office offers a free revision under warranty, that may be the right path — but verify the warranty actually covers the specific failure mode in writing. "Implant guarantee" language is often narrower than patients assume.
About Dr. Jmi Lilinoe Bassett Asam, DMD
Dr. Asam is an American Dental Association recognized Prosthodontist and the founder of Pacific Dental & Implant Solutions in Honolulu. She earned her Doctor of Dental Medicine at Harvard School of Dental Medicine — graduating cum laude as the first female Native Hawaiian to do so — and completed her three-year specialty residency in Advanced Prosthodontics at the University of Illinois at Chicago. In 2008, she became the first female Prosthodontist hired by ClearChoice Dental Implant Center. She has spent the last 17 years restoring smiles for patients with missing and failing teeth, and complex full-mouth dental conditions, including a significant number of patients arriving with failed implants placed elsewhere.
PDIS is an independent, doctor-owned specialty practice. Every patient sees Dr. Asam personally — from initial consultation through final restoration.
Schedule a Second-Opinion Consultation
If you've had a dental implant fail — or you're worried one is heading that way — schedule a free consultation. We will review your imaging and chart, take a fresh 3D CBCT scan when clinically warranted, walk you through what went wrong and what the realistic options are, and give you a written treatment plan to take home.
No pressure. No upsell. No defending the original office's work — we'll give you an honest read.
Schedule your free consultation or call (808) 737-6150.
Pacific Dental & Implant Solutions
4211 Waialae Avenue #102, Honolulu, HI 96816