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Sinus Lift & Bone Augmentation

How PRP membrane made out of your own blood works to  benefit you in bone augmentation procedures.
It is well known that platelets have many functions. They also contain tremendous amount of bioactive proteins, including important growth factors supporting:

  • Increased collagen production
  • Recruitment of other cells to the site of injury to assist with healing
  • Blood vessel growth
  • Cell differentiation, meaning that all different cells required for rejuvenation are stimulated

Extra cellular matrix formation. This is connective tissue that holds everything together, giving them strength.

Sinus lift

When an upper posterior tooth is lost, the floor of the maxillary sinus drops down into the space formerly occupied by the root of the lost tooth. In order to place an implant, it is often necessary to put (raise) the sinus floor back up to where it originally was by adding a bone substitute. This procedure is called a sinus floor bone augmentation or a sinus lift.

The procedure is performed with local anesthesia, requiring up to six months of healing for the sinus augmentation to support dental implants. However, many dentists will perform both the augmentation and dental implant simultaneously, to avoid the necessity of two surgeries.

 

 

Bone augmentation

A term that describes a variety of procedures used to “build” bone so that dental implants can be placed. These procedures typically involve grafting (adding) bone or bonelike materials to the jaw. The graft can be your own bone or be processed bone (off the shelf). This process is known as GBR (Guided Bone Regeneration).

Your tooth needs to be extracted because it cannot be restored and you want to replace it with an implant
The best solution is to do tooth extraction, implant placement and bone augmentation in one visit. This way by placing an implant in the tooth socket and adding bone substitute in the remaining empty space within a tooth socket, we can reduce jaw bone atrophy and shorten a recovery time. If there is present an inflammation process it needs to be resolved prior any implantology actions.

If your tooth is already missing and there is enough bone to place an implant but some bone is missing on the edge.

The best solution is to do implant placement and bone augmentation in one visit so valuable time is not lost.

If your tooth is already missing and there is no enough bone to place an implant.

In this case we need to do GBR (Guided Bone Regeneration) prior the implant surgery. After this procedure is done we need to wait for 4-6 months for the jaw bone to be fully created before we can start with implant placement. If we are talking about placing an implant in a maxilla (upper jaw) it is possible to have a situation that implant cannot be placed because the bottom of the sinus is an obstacle. In this case a sinus lift has to be done. This procedure often can be done together with implant placement so valuable time is not lost.

 

 

 

 

 

 

 

 

 

Materials

Porcelain-fused-to-metal is used to provide strength to a crown or bridge. These restorations are very strong, durable and resistant to wear, because the combination of porcelain and metal creates a stronger restoration than porcelain used alone.
Full-porcelain dental materials are used mainly as metal-free “jacket crowns”, in-lays, on-lays, and aesthetic veneers. Full-porcelain restorations are particularly desirable because their color and translucency mimic natural tooth enamel.
Zirconia is high-performance ceramics. This material could not be processed using the traditional methods used in dentistry. Because of its high strength and comparatively much higher fracture toughness, sintered zirconium-oxide can be used in posterior crowns, bridges and implant abutments.

Standard procedure

Phase 1 – Dental treatment planning
Based on CT scan dentist performs analysis of the bone structure and quality necessary for planning of number and location of required dental implants.
Phase 2 (if necessary) – bone augmentation
For some people, bone loss after the removal or loss of teeth leaves them without enough bone in the jaw to secure dental implant. If the bone is not thick enough for implants to be placed, it can be extended by autogenous bone or a bone substitute.
Phase 3 – Implant surgery
Dental implant is surgically placed in the jaw bone. The procedure is fast and painless as it is performed under local anesthesia.
Phase 4 – Osseointegration
Once the implant has been placed, it is left to heal and integrate with the jaw bone for 3 months for lower jaw or six months for upper jaw. If we load the dental implant too soon , it is possible that the dental implant will move which results in failure and additional complications .
Phase 5 – Prosthetic work
After the healing period support for dental replacement (abutment) is attached to the implant. Few weeks later we’ll have nice soft tissue emergence profile and final restoration can be placed.