Jaw bone graft

Dental implant and jaw bone grafting

Dental implants have transformed the world of modern dentistry. Losing a tooth is something that we all probably experience in our lifetime. The cause of tooth loss is usually tooth decay and infection, gum disease or injuries and accidents. Most of us are familiar with dental implants, but we may not know that sometimes we have to do a jawbone transplant to have dental implants..

with reading material Dr Behnam khorami Jaw surgeon of Isfahan be with :

Jaw bone graft (For dental implants) ?

Bone grafting is a technique in which bone is added to strengthen the bone. This allows us to have a solid foundation to support the implant. Without bone grafting, in many cases the bone does not have enough strength or volume to hold the implant.

The ultimate goal of implant placement is to have strong, resistant and painless teeth. After the jaw bone graft, there should be some time before the implant is placed so that the bone has a chance to heal and harden, although sometimes in cases where the graft is partial, this may not be necessary..

With bone grafting, the shape and curvature of the jaw bone returns to its previous state and the missing part is filled to make the facial structure younger and fuller in addition to supporting the implant..

Why do we sometimes need a bone graft before implant placement?

Bone grafting is usually recommended when an injury has occurred in the jaw area, or the structure of the jaw has been lost due to deep gum infection, or after tooth extraction, the bone has gradually reabsorbed and shrunk..

Loss of bone tissue, whether it is due to injury or infection or not being stimulated by the tooth, causes the bone to shrink and not have the strength it used to have.. In this case, when you place the implant in the jaw bone and the jaw is subjected to severe pressure, the bone cannot keep the implant firm and stable, and there is a risk of treatment failure.. If the implant makes the slightest movement, the treatment will not be successful and eventually the implant will separate from the surrounding bone and become loose.. In this case, you have to pull it and provide a stronger structure for the implant with bone grafting, and then use a new implant..

When the implant specialist says that you do not have enough bone to support the implant, usually the first recommendation to solve this problem is a jaw bone graft.. In this treatment, donor bone from your own body or another source is removed and transplanted to the desired site.

How do I prepare for a bone graft?

There is no need for much preparation, usually you will be given an instruction to familiarize yourself with the dos and don'ts before the operation. Usually you should follow these things:

Avoid eating or drinking anything from 8 to 12 hours before the procedure (Depending on what type of anesthesia you are getting)
Tell your doctor if you are taking any medications, especially blood thinners that increase the risk of bleeding during surgery..
Make a plan to get home from the office so that you don't have to drive yourself because you may be under the influence of sedation.

How is bone grafting done in the mouth?

Before the procedure, you will receive anesthesia and your vital signs will be monitored throughout the procedure.
The mouth is completely cleaned and the operated area is prepared.
The surgeon makes an incision in the gum and raises it to access the underlying bone.
Grafted bone material is placed inside the bone.
The bone graft is fixed in place with a dissolvable glue or a special membrane or a special screw.
The incision site is sutured.

What are the types of bone grafting before dental implant implantation?

Dental cavity grafting

The most common type of pre-implant bone grafting is in-cavity grafting, which protects the alveolar bone and prevents its destruction after tooth extraction.. In this method, grafting materials are placed directly inside the extracted tooth cavity and provide a hard base for the implant.. Usually four to six months after this transplant, the bone becomes completely hard.

Bone grafting

When a large injury in the jaw (Due to an accident or impact) If it occurs, the jaw defect can be compensated by transplanting a large piece of bone that can be removed from the back of the jaw.. In this method, the bone is fixed in place with a titanium screw so that it gradually fuses to the surrounding bone. Then, after welding and complete healing, the implant can be placed in this area.

Mandibular joint grafting

Sometimes the jaw is not wide enough to hold the implant. In these cases, human bone is used to increase the width of the jawbone.

Sinus Lift

Usually the upper jaw is not hard enough to hold the implant. When a maxillary implant is needed, horse bone is usually used for grafting because it is very similar to human bone and does not dissolve as quickly as human bone.. The bone added to the upper jaw provides good support for the upper jaw implant. Due to the sensitivity of the sinus cavity anatomy, it may take four to nine months for the bone to fully heal.

What is sinus lift surgery and how is it performed?

What materials are used for bone grafting in the mouth?

Autograft transplantation: Autograft is called bone removal from the patient's own body. It is usually removed from the tibia of the femur.
Allograft transplantation: Alum bone graft from a single donor (Usually a corpse) it will be obtained.
Xenograft transplantation: Bone from an animal (Mostly cows) is harvested.
Alloplast grafting: From synthetic materials (artificial) It is used for transplants that contain natural minerals.

Which type of bone graft is better for implant implantation?

If you choose the option of autograft, which means that the bone is removed from your own body, you have the highest chance of success. The disadvantage of autograft is that surgery must be done in another part of your body to remove the bone. However, due to the small size of the bone being removed, you will usually experience mild post-operative pain and the recovery period is short..

Some people prefer an allograft transplant. In this method, bone bank is used and all materials are sterile and processed. Cow or other animal bones are also completely processed before use and turned into calcite materials. When they are grafted, the bone in your body uses these materials to grow.

Synthetic or artificial materials including ceramics based on calcium phosphate (such as hydroxyapatite or tricalcium phosphate) Is. Since these substances are bioactive, they form naturally in the body and the bone strengthens and regenerates itself with their help.. The use of transplanted synthetic materials completely eliminates the possibility of disease transmission. Each graft method may be better for certain conditions. Therefore, in this field, you should ask the opinion of the implant surgeon.

Complications of jaw bone grafting for implant placement

What are the side effects of bone grafting for implant placement?. In general, bone grafting is considered a safe procedure. However, you should keep the following possibilities in mind:

The infection
Bleeding
blood clotting
Nerve damage
Complications due to anesthesia
Infection of the bone harvest site (very rare)
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Does bone grafting hurt?

Jaw bone grafting, which is performed before implant placement, causes slight discomfort if it is not using graft material from your own body.. He does not feel any pain during the operation with anesthesia and sedation. After the anesthesia wears off, the pain starts but is usually manageable with regular painkillers. You may need housing for a few days. In some cases, the doctor may prescribe a stronger pain reliever.

Depending on how extensive the surgery was, you may have discomfort for up to a few weeks. If the bone is removed from your own body, you will have more pain during the recovery period after the operation because you have operated on two areas.. In general, the removed bone is usually very small, so the period of pain or discomfort will be short.

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