Bone Regeneration

It is performed when the bone of the patient is not enough to allow the placement of implants, to reconstruct bone parts destroyed by cysts, after very complex extractions, or during treatments for serious periodontal diseases.

We talk about GBR or guided bone regeneration when we use particulate bone of the patient and/or “external” material. The result can be covered with a membrane to protect the area of the operation. This kind of operation doesn’t expose the patient to the risk of rejection and it is the easiest solution.
Our practice has always used external material of synthetic origin, which is totally free from side effects. If the material is of animal origin (horse, bovine, pig, etc.) the potential risk of developing immune or infectious reactions will be greater, although in a very low percentage. In addition, this choice could be in contrast with some ethnic groups or certain religions.

If the problem is bigger the solution can be a kind of auto-transplants (auto-graft or equivalent bone): the bone is taken from another part of the body and grafted in the area that has to be regenerated; the process requires two separate surgeries (but simultaneous) and for this reason it is more challenging and invasive. The bone sample can be intra-oral (from the mandible or the chin) or extra-oral (iliac crest or calvaria) depending on the amount of bone required to correct the atrophy. Instead of using the own bone of the patient (autograft), it is possible to choose human bone from external sources, but always of human origin (homologous). This choice reduces the duration and the invasiveness of the surgical procedure because it does not require extractions, but it exposes the patient to some additional risks of infection or immune reaction, because the material is grafted from a cadaver.

These procedures can be integrated using a small amount of the patient’s blood, which will be put in a specific centrifuge to obtain a mixture of platelet factors, very useful to improve the quality and speed of wound healing with less bleeding and less post-operative swelling.

Complex avulsions

Extractions can be considered as small surgical operations. If they are well performed they don’t cause any problems but, if underestimated (by the operator or the patient), they can become complex during the operative phase or problematic after the operation.

More difficult extractions, such as the avulsion of a wisdom tooth or a canine, are special cases that require a real surgical strip in order not to damage the bone and the surrounding teeth and soft tissues and specific attention to the eventual presence of nerves or arteries.

It is a safe surgery if it is in the hands of who has the proper surgical experience and the correct tools in order not to make it too invasive and limit side effects.


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