Guided Tissue Regeneration (GTR)
What Is Guided Tissue Regeneration?
Guided Tissue Regeneration (GTR) is an advanced periodontal surgical procedure designed to regenerate the bone and supporting tissues that have been destroyed by periodontal (gum) disease. Rather than simply cleaning the infected area, GTR encourages your body to rebuild the natural structures that support your teeth, allowing you to keep your tooth.
Benefits of Guided Tissue Regeneration
Guided Tissue Regeneration is one of the few periodontal procedures capable of rebuilding the tissues that support your teeth rather than allowing the defect to enlarge and eventually lead to tooth loss. Furthermore, excessive bone loss can compromise the adjacent tooth.
When Is Guided Tissue Regeneration Recommended?
Guided Tissue Regeneration is typically recommended when periodontal disease has created localized areas of bone loss around one or more teeth. Careful examination, periodontal measurements, and dental radiographs or CBCT imaging help determine whether Guided Tissue Regeneration is an appropriate treatment option. Patients may benefit from GTR if they have:
How Does Guided Tissue Regeneration Work?
Healthy healing requires different types of cells to regenerate in the correct sequence. Unfortunately, gum tissue heals much faster than bone. Without intervention, the gum tissue may occupy the healing space before bone and periodontal ligament cells have an opportunity to regenerate.
Guided Tissue Regeneration solves this problem by placing a resorbable or non-resorbable membrane over the bone defect. The membrane acts as a protective barrier that excludes the rapidly growing gum tissue while maintaining a space where new bone, cementum, and periodontal ligament fibers can develop. When combined with bone grafting materials and excellent plaque control, this technique can significantly improve the amount of regenerated supporting tissue.
What Happens During The Procedure?
Guided Tissue Regeneration is performed under local anesthesia to ensure your comfort. After gently reflecting the gum tissue, the infected tissue is removed and the tooth root is meticulously cleaned to eliminate bacteria and calculus. The underlying bone defect is then evaluated.
In many cases, bone graft material is placed into the defect to serve as a scaffold for new bone growth. A specialized barrier membrane is positioned over the graft and secured in place before the gum tissue is repositioned and sutured.
The entire procedure is performed with the goal of creating an environment that encourages natural regeneration while minimizing postoperative discomfort. This membrane prevents the fast-growing gum tissue from filling the space too quickly, allowing the slower-growing bone and periodontal ligament cells time to regenerate.
Recovery After Guided Tissue Regeneration
Healing following Guided Tissue Regeneration is generally well tolerated. Mild swelling, soreness, and minor bleeding are common during the first few days and can usually be managed with prescribed or over-the-counter medications. Most patients are able to return to normal daily activities the following day.
Because the regenerated tissues require time to mature, proper home care is essential. Patients are typically instructed to avoid brushing directly over the surgical site initially, use an antimicrobial mouth rinse as directed, consume softer foods during the early healing period and avoid chewing on the treated area until healing has progressed.
Follow-up appointments allow your periodontist to monitor healing and remove sutures if necessary. Complete regeneration of bone and periodontal tissues occurs gradually over several months.
Is Guided Tissue Regeneration The Same As Guided Bone Regeneration?
Although the names are similar, Guided Tissue Regeneration (GTR) and Guided Bone Regeneration (GBR) are performed for different purposes.
Guided Tissue Regeneration focuses on regenerating the complete periodontal attachment around existing teeth, including bone, periodontal ligament, and cementum. It is primarily used to treat bone loss caused by periodontal disease.
Guided Bone Regeneration is primarily used to rebuild bone volume for dental implant placement or ridge preservation after tooth extraction. While both procedures often use barrier membranes and bone graft materials, their treatment goals are different.
Frequently Asked Questions
Is Guided Tissue Regeneration Painful?
The procedure is performed under local anesthesia, so you should remain comfortable throughout treatment. Most patients experience only mild soreness afterward, which is easily managed with medication.
How Successful Is Guided Tissue Regeneration?
Success depends on factors such as the size and location of the bone defect, good oral hygiene, smoking status and regular periodontal maintenance. Carefully selected cases have excellent long-term outcomes.
How Long Does Healing Take?
Initial gum healing usually occurs within two to three weeks, while complete regeneration of the supporting bone and ligament may continue for six to twelve months.
Can Guided Tissue Regeneration Save a Loose Tooth?
In many cases, yes. If mobility is caused by periodontal bone loss and enough healthy tooth structure remains, Guided Tissue Regeneration may rebuild supporting tissues and improve tooth stability. However, not every tooth is a candidate, and a comprehensive periodontal evaluation is necessary.
Will My Insurance Cover Guided Tissue Regeneration?
Many dental insurance plans provide benefits for medically necessary periodontal surgery, including regenerative procedures. Coverage varies depending on your individual plan, and our office will gladly review your benefits and provide an estimate before treatment.
Learn More
For additional patient education about periodontal regeneration and gum disease treatment, visit the
American Academy of Periodontology – Regenerative Procedures.
(561) 898-1010
