Guided Bone Regeneration
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GUIDED BONE REGENERATION
Guided bone regeneration (augmentation) is a sum of techniques (dental microsurgery, piezosurgery) whose purpose is to increase the size of the jaw bone. It requires thorough and precise dental surgery. Guided bone or tissue regeneration procedures are difficult procedures, but necessary in many cases.
The volume defect is corrected with the aid of the autogenous bone (the patient’s) combined with an artificial bone protected by a membrane (resorbable or not) which directs healing. This membrane is vital in protecting the newly formed bone from the invasion of cells from the adjacent soft tissues.
The rate of success with implants inserted in the regenerated bone is equal to the ones inserted in natural bone.
Dental extractions come with a certain degree of bone retraction. They can damage the bone if they are not performed through atraumatic procedures, which protect it.
GUIDED BONE REGENERATION-INDICATIONS
Before this type of surgery, we need a complex clinical exam, a panoramic x-ray, a 3D CT scan and a set of lab investigations.
While inspecting the edentatulous ridge, we look at the CT scan to determine height and width of the bone, in order to estimate the degree of bone regeneration we can obtain. The importance of maxillary CT scans in implantology is overwhelming, let alone the guided bone regeneration and periodontal. For this reason, LLL Dental uses one of the most reliable CT scanners in Romania.
Of great importance are information regarding the keratinization of the healed gums after extraction.
THE FUNDAMENTALS OF GUIDED BONE REGENERATION
The artificial bone and the barrier membrane are the essential factors in the regenerative process. In choosing the bone graft, it is considered that the autogenous bone is the most efficient in bone induction since it contains natural ostheogenic cells, but it is not stable. The artificial bone is a solution, since it is biocompatible, osteoconductive, similar in structure to the natural bone and bioresorbable. The artificial bone does not transform into human bone, but it is a matrix, a fertile ground for the development of future bone cells. The best results are reached when we combine autogenous bone with artificial bone. The former is harvested from the area where the procedure will be performed.
Applying a resorbable or unresorbable membrane isolates the graft from the bone and increases the chances of the implant to integrate in the newly formed bone. Bio-Gide and Jason Botiss collagen membranes are stable, well tolerated and perfectly resorbable. They have passed all our tests with flying colors.
RECOMMENDATIONS FOLLOWING GUIDED BONE REGENERATION
Healing must start under the protection of antibiotics, an hour before surgery and continue for 7 days after. Also, we recommend you take anti-inflammatories and pain killers to prevent swelling and pain. After surgery, a great remedy are chlorhexidine mouthwash and local healing and disinfectant gels. Be careful when rinsing your mouth. Don’t be harsh; just transfer the solution from one side of your mouth to the other for a few seconds. [hr]
[hr] There are many procedures with which we can regain the necessary bone for inserting a more stable dental implant . The most effective and gentle method is the SonicWeld Rx® system.. [hr]
The Rx® SonicWeld ensures a gentle method for bone reconstruction that uses ultrasonic waves and a material that is reabsorbed after it provides a stable substrate for the dental implant. The resorbable material, called PDLLA , is a polymer of the lactic acid, poly- D-lactide and poly- L- lactide, substance that is found in the human body bloodstream. [hr]
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