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Updated by Steven Cisternas on Dec 16, 2018
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5 reasons why dental implants may fail

Dental implants can fail for a number of reasons but these are the main ones: Smoking.

Poor oral hygiene.
Poor bone quality.
Infection in the implant when placed

Poor oral hygiene can lead to dental implant failure. Optimum Dental implants are surgically placed in the jawbone and gum tissues. Although the dental implants are placed securely within these tissues, the implants will not be completely stable until they fuse with the natural tissues of the jaw and gums. This process, which is known as osseointegration, is a delicate process that can take several months. For osseointegration to be a success, it is extremely important that the patient maintains good oral health.
(Read more here)

Smoking is a major cause of failure in dental implants. the use of tobacco can negatively affect the outcome of almost all therapeutic procedures that are performed in the mouth. The failure rate of dental implants is considerably higher among smokers. There has to be maintenance of oral hygiene around the implants. otherwise there is a risk of peri-implantitis . (Read more about peri-implantitis)


Poor bone quality

Poor bone quality

Poor bone quality is a major cause of dental implant failure. There are a number of reasons including Ongoing marginal bone loss (MBL). However patients may have had dental implants but at the time they may have needed a bone graft and did get one done at the time. Click here to discuss further



The forces placed on your teeth that happen when you unconsciously grind teeth are far greater than the everyday forces used during mastication (chewing).
The excessive force can cause the implants to move from their optimal placement.
This actual risk is especially high during the osseointegration period, or the first three to six months after dental implant surgery. (Read more about implant failure here)


Infection in the implant when placed

Dental implants must be placed in a completely sterile environment. A common dental implant infection is peri-implantitis. When this happens it is is a form of periodontal (gum) disease. If it is left untreated it can lead to inflammation, bone loss and implant failure.

it can cause Bad taste/bad breath. Read more here about peri-implantitis and dental implant failure.