Skip to main content

How long do dental implants last? It’s a question we hear all the time at Alpha Dental and Implant Centre in Adelaide. And honestly, it makes perfect sense.

Perhaps you’ve just lost a tooth. Maybe from an accident, or gum disease. You’re told a dental implant is the best fix. But before making that decision, you want to know: is it really worth it?

After all, this isn’t just a quick fix. It’s an investment in your health, your smile, and your confidence.

So let’s break it down. We’ll look at how long dental implants usually last, what can affect their success, and how you can make yours last a lifetime, with the right care and support.

How Long Do Dental Implants Last, Really?

According to various peer-reviewed studies and experts, the average lifespan of a dental implant is 10 to 15 years. However, with good oral hygiene, consistent dental visits, and lifestyle choices that support oral health, dental implants can last 20 years or even a lifetime. So, how long do dental implants really last? It depends on you, your implant dentist, and a few other key factors.

Why Do Dental Implants Last So Long?

Unlike dental bridges or dentures that sit on top of the gums, dental implants are embedded into your jawbone. They are essentially artificial tooth roots made of titanium or zirconia. Over time, the implant fuses with the bone in a process called osseointegration, which gives it unmatched stability and strength.

This is why most dental implants are considered permanent fixtures.

Their durability isn’t just a claim; it’s backed by science. Research shows dental implants have a success rate of 90 to 95 percent over a 10-year period.

Factors Affecting How Long Dental Implants Last

Let’s break down the elements that can either make or break the longevity of your dental implants.

1. Oral Hygiene

Just like natural teeth, implants need daily care. Failing to brush, floss, or visit your dentist can lead to gum disease or bone loss around the implant site. This can eventually result in implant failure.

Tip: Use a soft-bristled toothbrush and non-abrasive toothpaste. Also, consider using an interdental brush to clean around the implant.

2. Smoking and Alcohol

Smoking reduces blood flow to the gums, which delays healing and encourages bacterial growth. Research from the University of Adelaide found that smokers are more likely to experience implant failure. Alcohol can also hinder healing after implant surgery.

3. Bone Density and Bone Health

Adequate bone tissue is essential for implant placement. If there isn’t enough bone, your dentist may recommend a bone graft procedure to improve density. Poor bone health can significantly reduce how long dental implants last.

4. Teeth Grinding (Bruxism)

Constant grinding puts excessive force on the implant and surrounding artificial teeth. Over time, this can loosen or damage the implant crown.

Solution: A night guard is often recommended to protect the implant while you sleep.

5. Medical Conditions

Chronic conditions like diabetes or autoimmune disorders can impact healing and increase the risk of dental implant failure. It’s important to manage these conditions and inform your dentist beforehand.

6. Type of Implant

There are different types of implants, but endosteal implants (the kind placed directly into the jawbone) are the most common and have the highest success rate.

7. Surgical Technique and Aftercare

An experienced implant dentist using high-quality materials and modern surgical protocols plays a massive role. Poor implant placement or post-op neglect increases the chance of a failed implant.

Dental Implant Longevity vs Crowns

While the implant itself (the titanium post) may last a lifetime, the dental crown on top is a different story.

However, 50 to 80 percent of crowns need replacement within 15 to 20 years due to wear and tear. That means even if the implant stays secure, you may need a new crown eventually, especially if you chew hard foods, grind your teeth, or neglect your oral health.

dental implants last longer than most other solutions for missing teeth

Warning Signs of Dental Implant Failure

While uncommon, implant failure does happen. Here’s what to watch for:

  • Persistent pain or discomfort
  • Loose or shifting implant
  • Swollen or receding gums
  • Pus or discharge from the site
  • Difficulty chewing

If you experience any of these symptoms, contact your implant dentist immediately.

How to Make Your Dental Implants Last Longer

Here’s a checklist to extend the life of your dental implants:

  • Brush twice daily with a soft-bristled toothbrush
  • Floss around the implant and adjacent existing teeth
  • Avoid smoking or excessive alcohol
  • Use a night guard if you grind your teeth
  • Get professional cleanings every 6 months
  • Follow all post-op instructions after implant surgery

A little care goes a long way in preserving not just your implant, but your confidence too.

Is the Procedure Worth It?

Let’s be honest: Dental implant surgery is a significant commitment. It’s a surgical or invasive procedure, which carries risks. But the return on investment is huge.

Unlike dentures or dental bridges, dental implants do not slip, don’t rely on neighboring natural teeth, and stimulate bone tissue, preventing bone loss. They look, feel, and function like the real thing.

And with proper care, dental implants last for decades.

Frequently Asked Questions 

What is the downside to dental implants?

The cost and surgical aspect are the main concerns. It’s a more invasive option than dental bridges. Healing time can also be lengthy, and bone grafting may be needed. There’s also a small risk of implant failure.

How many times can a dental implant be replaced?

The implant post rarely needs replacing. If it does fail due to trauma or gum disease, and the bone is still healthy, it can be replaced once healing occurs. However, the crown may need replacement every 15–20 years.

What happens to dental implants after 20 years?

If properly maintained, they can still be functioning perfectly. However, the crown may show signs of wear and may require replacement. Annual check-ups help assess any changes in the implant or surrounding bone.

What is the failure rate of dental implants?

The failure rate is around 5–10% over a 10-year period. Factors include poor oral health, smoking, uncontrolled diabetes, and suboptimal surgical conditions.

Can dental implants be affected by osteoporosis? 

Yes. Osteoporosis can weaken bone density, affecting implant placement and increasing the risk of implant failure. Your dentist may recommend a bone graft procedure if needed.

So, How Long Do Dental Implants Usually Last?

Here’s the bottom line: Dental implants can last a lifetime, but only if you’re committed to maintaining them.

While the crown might need a refresh every 15–20 years, the artificial tooth root embedded in your jaw can stay intact for decades. With a 90–95% success rate over 10 years, they’re one of the most trusted tooth replacement options available.

So if you’re tired of living with missing teeth, investing in dental implants is one of the smartest decisions you can make for your oral health, functionality, and confidence.

Need Help with Dental Implants in Adelaide? 

Alpha Dental and Implant Centre specialises in advanced dental implant procedures and implant surgery. Our experienced team will guide you through every step, from consultation to aftercare, ensuring your smile lasts for years to come. Book an appointment now or have questions? Start with an online consultation.