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A diagram of dental implant at Periodontal Associates. Dental implants are a highly effective solution for lost teeth. Crowns mimic natural teeth in their form and function and titanium posts bond with and stimulate your jaw bone, allowing the implants to act just like a natural tooth would.

Unfortunately, implants can occasionally fail, and if this happens we will need you to come in so we can repair or replace them.

The Structure of an Implant


Most dental implants are made of a titanium post that is embedded in the jaw bone, a ceramic crown that acts as a replacement tooth and an abutment that connects the post and the crown. If one of these parts loosens or breaks, all three can become compromised.

Titanium is usually chosen for implants because it bonds with the jaw bone in a process known as osseointegration. If this process doesn't occur properly then you'll end up with an implant that isn't firmly in place. This will lead to problems later on.

Signs that an Implant May Fail


If the bone doesn't grow around the implant in the right way, mobility is often the primary signal that the implant may fail. This mobility is often very slight at first and usually only a dentist can see it, but as time goes on an implant that hasn't integrated properly can shift when you chew or speak. Implants that have failed completely with frequently.

Other warnings signs of impending failure include pain, inflammation, and infection, but these do not always occur. If Dr. Eshraghi notices that your implant is moving, he may conduct an x-ray to make sure the bone is growing. If the implant is failing, the x-ray may reveal considerable bone loss around the metal area.

Repair and Replacement


In cases where the implant crown becomes cracked or detached, it is an easy matter for us to attach a new, or make any other repairs if necessary. However, if the damage to the implant is too severe, we will need to remove and replace it.

It is easy for us to remove a failed dental implant, but we will need to use a local anesthetic for this procedure. Once the implant is removed Dr. Eshraghi will carefully clean the area. Then we can begin the process of inserting a new implant, making careful note of what went wrong the first time. If there is enough healthy bone in the same area, we won't need a bone graft.

However, in cases of significant bone loss, we may need to place a bone graft to improve the site of the removed implant before placing a new one. Once the bone graft is complete, your mouth may need several months to heal before we can put in a new implant. During the healing period, Dr. Eshraghi may ask you to quit smoking, postpone cancer treatment or make other lifestyle adjustments that will reduce the risk of the next implant failing as well.

Always remember to take good care of your implants by brushing and flossing daily. Also take care to eat a balanced diet and abstain from using your teeth as tools, as this can chip them. If you experience any problems with your implants, contact us right away.

If you have any other questions or concerns, please give us a call at (971) 317-8414.

Sinus Lift Surgery


To Prepare for Dental Implants Placement


Dental implant placement requires a perfect and healthy jawbone structure to support the implants. However, this is not always the case, as it is possible to have a jawbone that cannot support proper implant placement. Luckily, there are ways of fixing such problems, thus ensuring that your jawbone is ready for implants. At Periodontal Associates, we offer several such solutions, including sinus lift surgery, which helps to prepare for the implant procedure.

What Is a Sinus Lift?


A sinus lift is an oral surgery that aims to add bone structure to your upper jawbone, in the area around the moral and premolar teeth. Also, known as a sinus augmentation, the process involves adding bone between the upper jawbone and the sinuses (maxillary sinuses), which are found on the top of the upper teeth, behind the cheeks of your mouth. Since the sinuses are empty, or rather filled with air, the additional space for the jawbone is created by shifting them upwards, hence the name sinus lift. Once this happens, the jawbone can grow further, which increases the amount of space available for placing an implant.

Why Do You Need a Sinus Lift?


There are several reasons why you might need a sinus lift surgery before dental implant placement. Below is a look at some of these reasons:
•  You are missing one or more teeth at the back of your jawbone that needs to be replaced.
•  There is not enough bone space for implants in the back of the jawbone either due to a small jaw or large sinuses that take too much room.
•  You have suffered bone loss or damage at the back of your jawbone where an implant needs to be placed.
•  If the sinuses are too close to the upper jaw, thus interfering with the proper placement of the implants.

The Sinus Lift Procedure


The sinus lift procedure has two stages:
•  Preparation and planning. This involves studying the anatomy of your jawbone and sinuses to prepare an accurate plan for the surgery. Dental x-rays and other imaging techniques such as CT scans are used for this purpose.
•  The actual sinus lift procedure.

The actual procedure is carried out under sedation. It starts with the creation of an incision at the back of the teeth (where the missing teeth used to be) to open up the jawbone. A small hole is then created in the bone to grant access to the sinuses. The membrane of the sinuses (which are found next to the jawbone on the upper part) is then pushed upwards to create space. A bone graft is then placed in the newly created space and the surgical incision sealed with stitches.

The graft (from a cadaver source, an animal source, or from another part of your body) starts to grow while meshing with the already existing jawbone. This creates more bone space for the implant to be placed in. The healing and recovery period, plus the full growth and meshing of the graft and jawbone, can take anywhere between four and nine months. After this, the implants can then be placed, hence restoring your teeth. However, if there is enough space in the jawbone, the implant can be placed during the sinus lift, thus eliminating the need for a second surgery.

At Periodontal Associates, we are committed to offering you the best tooth replacement solutions. Call us at (971) 317-8414 if you have any questions about the sinus lift procedure.
Periodontal Associates in Beaverton, OR

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