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Are Dental Implants Safe? What the Research Says About Risks and Success Rates

  • Dental Implants
Pearlescent dental implant beside a translucent shield and magnifying glass on a mint and peach background.

By the J Street Dental Group care team · Medically reviewed by Dr. Maryam Saleh, DDS, FAGD · Last updated October 22, 2026

Are dental implants safe? Yes, for most healthy adults: roughly 93–96% are still in place after 10 years, but implant surgery is still surgery, and a minority of implants develop problems over time.

Your questionShort answerQuick rule
Are implants safe overall?Yes for most healthy adults; long-term survival is highAsk your dentist for their own success data
What is the most common long-term problem?Peri-implantitis: gum and bone inflammation around the implant (about 1 in 5 patients)Daily cleaning plus regular checkups
Who should be cautious?Smokers, people with uncontrolled diabetes, active gum disease or low jawboneFix what can be fixed first, then place the implant
Are titanium and MRI a concern?Titanium allergy is uncommon but real; MRI is generally fineTell your dentist about metal allergies and your imaging team about implants
What can I do to lower my risk?Quit smoking, control blood sugar, treat gum disease, keep recallsKeep a record of your implant brand and model

This guide is the safety companion to our page on dental implant treatment. It covers what the research shows, which risks are real, and who should wait. It's general information; your own dentist assesses your personal risk.

How Safe Are Dental Implants? The Short Answer

Dental implants are one of the most predictable treatments in dentistry. A 2019 systematic review found 96.4% of implants survived 10 years, or 93.2% once patients lost to follow-up were accounted for. The dental implant success rate is lower than survival, because some implants stay in place but develop complications.

So the honest answer to "are dental implants safe" is: very safe for most people, with risks that rise with smoking, poor gum health and some medical conditions. Implants don't decay like natural teeth, and they don't rely on grinding down neighboring teeth the way a bridge does. Most problems that do occur are found at checkups and treated before the implant is lost, which is why maintenance matters as much as the surgery.

Survival vs Success: What the Numbers Actually Mean

Survival: the implant is still in your mouth. Success: it's still there and free of problems such as bone loss, infection or pain.

This is why you'll see clinics quote anything from 90% to 98%. A study that counts survival will always report a higher number than one that counts success. One 10–16-year follow-up, for example, found 83% of implants survived, yet the cumulative rate of biological and technical complications reached 48% (Simonis et al., 2010). When someone quotes you an implant failure rate, ask which definition they're using, how many years the figure covers, and whether patients who stopped attending were counted. A clinic's own numbers are only meaningful with those three answers.

What Long-Term Research Shows

The best evidence comes from systematic reviews that pool many studies, not single clinic figures. Here are the numbers worth knowing:

OutcomeFigureWhat it means for youSource
10-year implant survival96.4% (93.2% when dropouts are counted)Most implants last at least a decadeHowe et al., J Dent 2019
10-year survival, patients 65+91.5% (adjusted analysis)Older patients may face up to double the risk of losing an implantHowe et al., 2019
20-year implant survivalAbout 92% (3 small studies)Very long-term data are promising but limitedKupka et al., Clin Oral Investig 2024
Peri-implantitisAbout 20% of patients; 12.5% of implantsGum and bone inflammation is the main long-term riskDiaz et al., 2022

Keep two limits in mind: studies define problems differently, and results vary by implant system and patient group. Dental implant safety depends as much on the patient and the planning as on the implant itself. The 65+ finding is a good example: it doesn't mean older adults shouldn't get implants, only that health conditions, medicines and cleaning ability deserve more attention. The peri-implantitis figure is the one most clinic pages leave out, and it's the main reason lifelong maintenance is part of the treatment.

Illustrated dental implant study model beside a translucent planning screen.

Illustration of a dental implant study model and conceptual planning screen.

Risks and Complications of Dental Implants

Dental implant risks fall into three windows: the surgery itself, the healing months, and the years afterwards. According to the U.S. Food and Drug Administration:

"Complications can occur soon after dental implant placement or much later."

WhenPossible problemsWhat lowers the risk
During surgeryNerve injury (numbness), sinus perforation, damage to neighboring teeth, jaw fractureX-rays, digital scans and careful surgical planning
Healing (first months)Infection, implant not fusing with the boneNo smoking, controlled blood sugar, following aftercare
Years laterPeri-implantitis, screw loosening, crown chipping or fractureDaily cleaning, regular checkups, early repair

Surgical Risks

The main surgical risks are nerve injury and, for upper-jaw implants, entering the sinus. The lower-jaw nerve runs close to where back-tooth implants go; if it's bruised, the lip or chin can feel numb, usually temporarily but occasionally longer. Upper back-tooth implants sit just below the sinus, which can be perforated if bone is thin. Both risks depend heavily on knowing the anatomy before drilling, which is why careful planning matters. At J Street, your dentist takes the x-rays and digital scans your case needs before the implant is planned.

Early Implant Failure

Early failure means the implant never fuses with the jawbone (osseointegration) and becomes loose in the first months. The FDA links failure to infection, which is more likely with uncontrolled diabetes, and to delayed healing, which smoking makes more likely. An early failure is usually removed, the site allowed to heal, and a new implant placed. It's also why dentists wait for the bone to heal before fitting the final crown: loading an implant too soon can stop it fusing.

Peri-implantitis: The Most Common Long-Term Problem

Peri-implantitis is an infection-driven inflammation of the gum and bone around an implant that causes gradual bone loss. It starts as peri-implant mucositis, which affects only the gum and is reversible with cleaning. Left untreated, it can loosen the implant years after placement.

Studies link it to a history of gum disease (periodontitis), plaque build-up, and smoking. It's why implants need the same daily care as natural teeth, and why gum disease treatment comes before implant placement when needed.

Mechanical Problems

Mechanical problems include a loosened abutment screw or a chipped crown. These aren't dangerous and are usually fixed without replacing the implant itself. Heavy biting forces, including night-time teeth grinding, raise the risk. Report any looseness early so a small repair doesn't become a bigger one, and ask whether a night guard makes sense if you grind.

Who Should Be Cautious or Wait?

Few people are ruled out entirely, but some factors raise the risk enough that they should be addressed first. Your health, not your age alone, decides whether you're a good dental implant candidate.

Risk factorWhy it mattersWhat to do
Smoking or chewing tobaccoSlows healing and lowers long-term successStop before surgery; quitting for good helps most
Uncontrolled diabetesRaises infection risk during healingBring blood sugar under control with your doctor first
Active gum disease or past periodontitisLinked to more peri-implantitis and lower survivalTreat gum disease and commit to regular cleanings
Not enough jawboneThe implant needs bone to anchor intoBone grafting can rebuild the site first
Radiation to the jaw or active chemotherapyCan impair bone healingCoordinate timing with your cancer team
Bone-density medicines (e.g. bisphosphonates)Can rarely affect how the jawbone healsTell your dentist about every medicine you take
Age 65+Slightly lower 10-year survival in researchNot a barrier; extra planning and maintenance help
Jaw still growing (teens)The implant won't move as the jaw growsWait until jaw growth is complete

Most items on this list delay treatment rather than rule it out. A smoker who quits, a patient whose diabetes is brought under control, or someone whose gum disease is treated can often go ahead safely later. Be completely open about your medical history and medicines: it's the single most useful thing you can do at the planning stage.

Low bone doesn't automatically rule out an implant: bone grafting and sinus lifts are both done in our office, as our dental implants page explains.

Are Implant Materials Safe? Titanium, Zirconia, Allergies and MRI

Most implants are made of titanium or a titanium alloy, a metal used in medicine for decades because bone bonds to it well. Zirconia, a tooth-colored ceramic, is the main metal-free alternative.

Silver titanium dental implant on the left and white zirconia implant on the right.

Illustration: titanium implant (left) and zirconia implant (right). Designs vary by system.

Can You Be Allergic to Titanium?

Yes, but it's uncommon. A systematic review concluded titanium isn't completely inert: it can trigger hypersensitivity reactions and may contribute to some implant failures, though the evidence is weak and the incidence low (Poli et al., Materials 2021). If you've reacted to metal jewelry, watch straps or other implants, tell your dentist before treatment. Ask whether a zirconia (ceramic) implant suits your case. Routine allergy testing isn't needed for most people; it's usually reserved for those with a clear history of metal reactions.

Dental Implants and MRI Scans

Yes, you can usually have an MRI with dental implants. Titanium isn't strongly magnetic, and the FDA reports it isn't aware of any adverse events from MRI or X-rays with dental implants. Implants can distort nearby images, though, so always tell your doctor and the imaging technician you have them before a scan.

Distortion matters most for scans of the head and jaw. Mention any crowns, bridges or other metal in your mouth too, and bring your implant record if you have one; the brand and alloy help the imaging team plan the scan.

How J Street Dental Group Keeps Implant Treatment Safe

Safety starts before surgery. Our process is designed around the risks above, so each step targets a specific complication rather than adding appointments for their own sake. If anything in your history raises the risk, we'll tell you plainly and explain whether to treat it first, change the plan, or consider another option such as a bridge or denture.

  • Full medical and medication review, including diabetes, smoking and bone-density medicines.
  • X-rays and digital scans to map nerves, sinuses and bone volume before planning.
  • Gum disease treated first, so implants go into a healthy mouth.
  • Grafting done in-house: extractions, bone grafts and sinus lifts happen in our office, so one team follows you from consult to final tooth.
  • Comfort options: full numbing, plus nitrous oxide or oral conscious sedation for anxious patients (see our sedation options).
  • A written implant record listing the brand and model placed, as the FDA recommends.
  • Scheduled maintenance visits to catch peri-implantitis early, with professional cleaning around each implant.

6 Ways to Lower Your Risk of Implant Problems

  1. Quit smoking, ideally weeks before surgery and permanently after. Smoking affects healing and long-term success.
  2. Get blood sugar under control if you have diabetes, and tell your dentist your latest results.
  3. Treat gum disease first, before any implant is placed, so bacteria aren't waiting next to the new implant.
  4. Clean around the implant daily with a brush and interdental brushes or floss; plaque is the main driver of peri-implantitis.
  5. Keep your recall visits so early inflammation is caught while it's still reversible mucositis.
  6. Keep a record of your implant's brand and model; it makes future repairs far easier.

Most of these are within your control, which is good news: the biggest risk factors for implant problems are ones you can change. Two more habits help: follow the soft-food and rinsing instructions you're given for the first weeks, and don't skip the final checks before the crown is fitted. If you grind your teeth, ask about a night guard to protect both the implant and the crown.

Dental implant illustration with a toothbrush, interdental brush and calendar.

Illustration of everyday cleaning tools and a reminder of routine dental visits.

Warning Signs After Implant Surgery: When to Call Your Dentist

Some swelling and slight bleeding in the first days is normal, and initial healing takes about a week. Call your dentist if you notice:

  • An implant or crown that feels loose
  • Pain that gets worse instead of better
  • Bleeding, pus or a bad taste from the gum around the implant
  • Numbness in the lip, chin or tongue that doesn't fade
  • Swelling that increases after the first few days

Don't wait for your next routine visit if any of these appear; early treatment is simpler. You can also report implant problems to the FDA through its MedWatch program.

Book a Personal Risk Assessment

Are dental implants safe for you specifically? That depends on your health, your bone and your habits. Book an implant consultation and we'll review your history, scans and options, then explain your personal risks before you decide. There's no obligation, and you'll leave knowing whether implants are the right choice for you.

Questions, answered

Yes, age alone isn't a reason to avoid implants. Research shows slightly lower 10-year survival in people over 65, so overall health, medicines and the ability to keep implants clean matter more than the birth date.

Most implants last at least 10 years, and many last much longer. Pooled studies show about 93–96% survive a decade, and limited data suggest around 92% at 20 years. The crown on top may need replacing sooner than the implant itself.

Often, yes. The failed implant is removed and the site allowed to heal, sometimes with a bone graft, before a new one is placed. The FDA notes failure can mean another surgical procedure. Your dentist will look for the cause first, such as infection, smoking or bite forces, so the second implant has a better chance.

The procedure is done under local anesthetic, so you shouldn't feel pain during it. Afterward, soreness and swelling for a few days are normal and usually managed with over-the-counter pain relievers. If you're nervous, J Street offers nitrous oxide or oral conscious sedation.

Mini implants are narrower and are mainly used for specific jobs, such as stabilizing a lower denture where bone is thin. They have a smaller research base than standard implants, so ask your dentist why they're recommending one size over the other.

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2619 J Street, Sacramento, CA 95816