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Why Dental Implants Fail?

Oct 25, 2021Dental implants, Dentures, Family dental care

A dental implant can be termed as a metal post that replaces a tooth’s damaged or missing root portion. An artificial crown is placed on the abutment of the dental implant, thus making the tooth seem real. Most individuals opt for dental implants because they suffer tooth loss as a result of periodontal disease, tooth decay, or injury.

There are numerous advantages of dental implants: easier eating, improved speech, convenience, improved self-esteem, durability, and improved oral health. At times, dental implants fail, even if the surgeon took care of every aspect and used high-tech techniques. The most reasons you may suffer dental implant failure are improper post-operation care and general health.

Below are some aspect that increases the risk of dental implant failure:

  • Poor implant placement
  • Diabetes
  • Inadequate jawbone
  • Gum disease
  • Smoking
  • Poor oral hygiene practices
  • Pre-existing medical conditions, such as cancer
  • Medications
  • Bacterial infection
  • Radiation to the neck and head areas
  • Excessive stress on the implants

In addition, poor health and deprived blood circulation around the implant area are other key contributors to dental implants failure. Signs and symptoms of a failing dental implant include inflammation or swelling of the gums, severe pain or discomfort, and loose implant.


dental implants

Why Dental Implants Fail?

There are numerous reasons why dental implants fail. Below are the main reasons:

1. Peri-Implantitis

Peri-implantitis is a key reason why you can experience a dental implant failure. Based on science, peri-implantitis can be defined as a pathological condition that occurs in tissues around a dental implant. Its main characteristic includes progressive loss of the supporting bone, inflammatory lesion in the connective tissues.

Some factors that can cause this infection include badly made implants, periodontal diseases, poor oral hygiene, heavy drinking and smoking, excessive occlusal loads, poor quality of your bone, diabetes, and lack of attached periodontal ligaments.

Some signs and symptoms that’ll signify the onset of peri-implantitis include:

  • Bleeding gums
  • Pain around the dental implants
  • Bad taste in the mouth
  • Swollen lymph nodes
  • Slight movement of the dental implant

Severe peri-implantitis can damage the bone and gum surrounding the implant. This will, therefore, lead to implant failure or subsequent bone loss. According to research, this condition can be cured, although you’ll need to replace the implant. Lately, there’s an ongoing debate on whether to classify peri-implantitis as a complication or disease because a foreign body is placed on the oral cavity.

2. Misalignment of the Implants

Positioning an implant is among the most challenging aspects that a dentist faces. A dental implant should be surrounded by bone. At some point, the ideal position of your bone isn’t the ideal position for the intended implant. This is the main reason why some people experience misalignment of the bone and the implant. Note that when there’s misalignment, the crown(artificial tooth) can look unnatural.

In addition, the metal of the implant will be visible, and gums will recede. Rectifying misplaced implants can be a complex process. This is because the removal process causes damage to the adjacent teeth and the bone. Therefore, it’s important to hire a professional dentist who’ll get it right the first time. Some factors that’ll define an ideal dentist include professionalism, experience, reputation, quality of services, etc.

3. Failed Osseointegration

Osseointegration is the functional and direct structural connection between the newly inserted titanium implant and the bone. The ability of Implants to bond with the bone is a fundamental requirement for orthopedic implants. Failed osseointegration may take several months to happen. Note that the implant isn’t compatible with the jawbone; therefore, they won’t merge fully. This is the main reason why your implant might be loose or might fall out.

The root cause of this problem is the insufficient jawbone for the implants. Your overall health and bone density are key factors to consider during implant dentistry. This is the reason why an implant dentist will analyze and evaluate your jawbone before the procedure. If the dentist finds out you have insufficient bone, sinus lift and bone graft procedures can rectify the problem.

4. Poorly Taken Impression

Impressions are made by the dentist before crowns are designed in the laboratory. A wrong taken impression may lead to improper teeth replacement. Note that a subtle misfit will result in a gap between your gum and the artificial tooth. This gap will compromise the function and the look of your teeth. Your artificial tooth will be prone to infections because the gap will allow bacteria to access the implant. Based on scientific research, an infection is treatable, although, in some instances, you’ll require implant replacement.

Another factor that can cause an infection around the dental implant is the cement that binds the implant post and the new dental crown. It’s crucial to work with a competent dentist who’ll provide great services. A pro dentist will perform the entire dental implant procedure accurately under high magnification. This lessens the risk of committing costly mistakes, such as leaving gaps.

5. Nerve Damage

Never damage is a rare case, although it can happen when the implants are fixed too close to surrounding nerves. This incidence can be more common if you consider hiring inexperienced implant dental services. In addition, you can experience nerve damage if a dentist ignores essential treatment planning. A treatment plan can be termed as a strategy of identifying all risk factors that can impact the dental implant.


teeth nerve damage

Some signs and symptoms of nerve damage include the following:

  • Tingling feeling, especially around the cheek, tough, and gums
  • Lingering pain
  • numbness

Avoid hiring a cheap implant dentist because you’ll end up spending more money than you anticipated.

6. Allergic Reaction

There are instances where your body rejects a foreign body. Based on science, there are odds that you’ll experience side effects after a dental implant procedure. A localized reaction can occur, thus leading to dental implant failure. The best implant dentist should check if you’ve underlying allergic problems.

7. Failure of the Implant

The implant can fail on its own, even if it’s made of strong metal. A loose artificial tooth will fracture as a result of movement.


Above are the main reason why dental implants fail. There are signs and symptoms that’ll signify the onset of dental implants failure; therefore, it’s important to consult your dentist.

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