Dental implants fail in about 5% to 10% of cases, almost always due to peri-implantitis (infection of the gums and bone), smoking, poorly controlled diabetes, severe bruxism, or insufficient bone at the time of placement. Early signs include persistent pain, swelling, gum recession, a loose crown, or a localized bad taste. The good news: most failures are preventable.

At Fresh Smile Dental Care, located on Royal Lane in the Dallas Koreatown corridor, we treat many patients who already have implants placed elsewhere and come in concerned because something doesn't feel right. We also see patients who are researching before making a decision, often because a friend had a bad experience. This article is for both groups.

How common is dental implant failure?

Long-term studies published in journals such as the Journal of Clinical Periodontology report success rates of 90% to 95% at 10 years. In other words, failure is the exception, not the rule. Even so, it is worth understanding.

Specialists divide failures into two categories based on timing. Early failure occurs before the implant integrates with the bone, typically in the first few months. Late failure happens afterward, when the implant was already functioning well and something changes: an infection, an overload, or a new habit.

Each type has different causes. And each type is treated differently.

What are the early signs of a failing implant?

A healthy implant cannot be felt. It doesn't hurt, it doesn't move, and it doesn't smell. When any of those signs appear, it needs to be checked promptly.

• Persistent or throbbing pain weeks after healing should have finished.

• Swelling, redness, or pus around the implant site.

• Gum recession that exposes the metal threads of the implant.

• A loose crown, or worse, the entire implant has movement.

• Difficulty chewing on that side.

• A bad taste or bad breath localized in that area, even with proper brushing.

A patient from Farmers Branch, around 58 years old, came to us after noticing a strange metallic taste near an implant that had been placed three years earlier in another city. It didn't hurt. The X-ray showed early bone loss. We caught it in time. That is the difference.

A healthy implant shouldn't be felt. When it starts to be noticed, you must take action.

Why do dental implants fail? Six common causes

Most failures are explained by one of these six reasons, and sometimes by a combination.

1. Peri-implantitis

According to the American Academy of Periodontology, peri-implantitis is the leading cause of late failure. It is a bacterial infection of the gum and bone around the implant, similar to periodontal disease but around titanium instead of a natural root. Plaque accumulates, bacteria move downward, and bone is resorbed. Without regular professional cleanings, it progresses silently.

2. Insufficient bone at the time of placement

An implant needs bone volume and density to integrate. If there is not enough bone and a prior graft is not performed, the risk increases. This is why we use computer-guided planning before every surgery.

3. Smoking and nicotine

The ADA and scientific literature agree: smoking reduces blood flow to the gums and compromises healing. Smokers have notably higher failure rates, especially in the first few months.

4. Poorly controlled diabetes

The NIDCR has documented that uncontrolled diabetes is associated with more post-surgical complications and infections. With well-managed diabetes, the risk is close to that of a patient without diabetes.

5. Bruxism and an unbalanced bite

Grinding teeth at night can generate forces that the implant was not designed to withstand. Prosthodontic literature describes cases of screw loosening, crown fracture, and even implant fracture. A nightguard changes the outlook completely.

6. Surgical factors

The position of the implant, its angulation, and the temperature control of the bone during placement matter a lot. These are the aspects where digital planning makes a real difference.

How can a patient prevent failure?

Prevention is straightforward, and most of it is in your hands.

• Brush and floss every day around the implant. A water flosser helps a lot under crowns and bridges.

• Come in for a professional cleaning every 6 months, or every 3 to 4 months if you have a history of periodontal disease or are diabetic.

• Quit smoking, ideally before surgery and permanently afterward.

• Keep your diabetes and blood pressure managed with your physician.

• Use a nightguard if you have been diagnosed with bruxism.

• Choose a dentist who uses computer-guided planning to optimize position and bone contact.

Many of our patients come from Preston Hollow, Addison, and the Asian Trade District. Some arrive via DART at the Royal Lane station, just two blocks from the office. This makes quick follow-up appointments convenient, which are exactly what prevent major problems.

What happens if an implant fails? Can it be replaced?

Yes, in most cases. A failed implant is carefully removed, usually without significant additional bone loss. If necessary, a bone graft is placed, and we wait between 3 and 6 months before placing a new implant.

Most patients who lose an implant successfully receive a new one. The important thing is first to identify why the original failed. If it was peri-implantitis, the infection must be treated. If it was bruxism, the new one must be protected with a nightguard. If it was insufficient bone, it must be rebuilt. Without addressing that, repeating the surgery is repeating the problem.

Frequently Asked Questions

Does a failing implant always hurt?

Not always. Peri-implantitis can progress painlessly for months. This is why regular X-rays and professional evaluations are so important. Many patients only find out something is wrong when they notice gum recession or feel the crown slightly loose.

Can a loose implant be tightened, or does it have to be removed?

It depends on what is loose. If it is only the crown screw, it can usually be tightened in the office. If the implant itself is moving within the bone, this indicates a loss of osseointegration, and it almost always has to be removed. That is why it is best to act at the first sign and not wait.

How soon after surgery would I know if it is failing?

Early failures usually manifest within the first 3 to 6 weeks with persistent pain, returning swelling, or mobility. Late failures can appear years later. At your follow-up appointment, we evaluate both possibilities.

Does my insurance cover replacing a failed implant?

It varies greatly. Some plans cover it partially, while others have clauses that exclude replacements within a certain period. At Fresh Smile Dental Care, we review your coverage before planning treatment and provide a clear written estimate.

Do full-arch implants fail more or less often than individual ones?

The data are comparable when planning and maintenance are correct. Full arches distribute the load across multiple implants, which in some cases offers a mechanical advantage. Daily hygiene, however, requires more technique, and that is where a water flosser and follow-up visits make a difference.

Do you have questions about your implant?

If you notice pain, swelling, or movement around an implant, do not wait. At Fresh Smile Dental Care, we provide care in English, Spanish, and Korean on Royal Lane #104, in Dallas 75229. Call us at (214) 623-0880 for an evaluation with Dr. Kwangjae Yeo. Catching the problem early almost always changes the outcome.