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Dental Implants require sufficient bone volume to anchor them securely. Sometimes there is not enough bone or tissue in the area to place an implant due to the natural process of shrinkage once a tooth is lost. This happens over time and results in a concavity (deficiency), in that region. Bone augmentation is required to increase the bone mass and create a strong and aesthetically pleasing foundation for the implant and crown (artificial tooth).
Bone regeneration is achieved by placing bone forming material, into the deficiency, which then encourages your own bone to grow. There are several types of bone grafting materials available, including host (patient's own), from human donors, animals and man-made. Tissue regeneration surgery is often carried out at the same time in order to cover any exposed bone or roots. At this surgery we favour the use of Geistlich Bio-Oss® (www.geistlich.co.uk). This bone graft material integrates quickly with the pre-existing bone compared to other methods and multiple years of use has seen excellent results.
The surgical procedure is performed under local anaesthesia or intravenous sedation. Depending on the quantity of bone regeneration required, this may be carried out at the same time as placing the implant or may involve separate surgical phases. There may be some swelling and discomfort for a couple of days after the procedure. You will be given postoperative instructions to help manage this.