Your implant treatment plan mentions guided bone regeneration, also known as GBR. This is a technique used to build up bone around an implant site. It involves placing a membrane over the graft to guide and protect new bone growth.

The principle behind GBR is straightforward. Bone cells need space to grow and fill in a defect. Without protection, fast-growing soft tissue cells can invade that space and prevent bone from forming. A membrane is placed over the bone graft to block soft tissue cells out. This allows bone cells to slowly repopulate the area and mature properly.

The membrane acts like a barrier — it holds the space open for bone to regenerate beneath it.

There are two main types of membranes — resorbable and non-resorbable.

Resorbable membranes break down naturally over time. Your body absorbs them once healing is complete, so a second surgery to remove them is not needed. Non-resorbable membranes are made of materials like PTFE. They are stronger and are usually removed in a second minor procedure after the bone has healed.

Your dentist chooses the membrane type based on the size of the defect and your specific needs.

GBR is used in several situations. A large bony defect after cyst removal. Insufficient bone width around a new implant. Peri-implantitis with bone loss. Or combined with ridge preservation after extraction. Any scenario where bone volume needs to be increased and protected qualifies.

It is often combined with other grafting techniques. The membrane enhances the results of the graft material underneath.

The procedure is done under local anaesthetic. The dentist lifts the gum to expose the bone defect. The graft material is placed and shaped. The membrane is trimmed to fit and tucked under the surrounding gum tissue. The area is closed with stitches.

The process itself is painless. You feel pressure and movement, but no sharp sensations. Sedation options are available if you feel anxious about the procedure.

Healing takes several months, depending on the size of the graft. The membrane stays in place while new bone forms beneath it. You attend follow-up appointments so your dentist can monitor progress.

Aftercare involves avoiding pressure on the site, maintaining good oral hygiene, and following any dietary recommendations. Your dentist will advise you on what to avoid during the healing phase.

Not every implant case requires GBR. Your dentist decides based on your bone condition and what the implant needs to succeed. If you have enough bone volume without assistance, the membrane step is not necessary. But when bone is lacking or needs enhancement, GBR is a reliable and well-established technique.

Ask your dentist to explain exactly what your implant plan involves and why GBR is — or is not — part of it.

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Meads Village Dental Practice