Staged Horizontal Ridge Augmentation using GBR in a Severely Resorbed Anterior Mandible

Introduction

In this article, we will explore a technique called staged horizontal ridge augmentation using guided bone regeneration (GBR). This technique is specifically used in cases where the anterior mandible (lower jaw) has experienced severe resorption.

What is Staged Horizontal Ridge Augmentation?

Staged horizontal ridge augmentation is a surgical procedure that aims to restore or enhance the width of the ridge in the anterior mandible. This technique is commonly utilized when there is significant bone loss due to resorption.

The Role of Guided Bone Regeneration (GBR)

Guided bone regeneration (GBR) is a biologic process that involves the use of membranes or scaffolds to promote bone formation and facilitate guided tissue regeneration. GBR plays a crucial role in the success of staged horizontal ridge augmentation.

The Step-by-Step Process

The authors of the study provide a detailed description of the step-by-step process involved in staged horizontal ridge augmentation using GBR:

Step 1: Preoperative Evaluation

Before the surgical procedure, a thorough preoperative evaluation is conducted. This includes a comprehensive examination of the patient’s oral health, radiographic examination, and assessment of bone quality and quantity.

Step 2: Initial Incision and Flap Elevation

The surgical procedure begins with making an initial incision and elevating a flap in the anterior mandible. This allows access to the underlying bone and facilitates the placement of the GBR membranes or scaffolds.

Step 3: Bone Preparation and GBR Scaffold Placement

The next step involves preparing the bone surface and placing the GBR scaffolds. These scaffolds provide support and stability for new bone formation, promoting ridge augmentation.

Step 4: Primary Closure

After the GBR scaffolds are placed, the surgical site is meticulously closed to ensure proper healing and minimize the risk of complications.

Step 5: Follow-Up and Monitoring

The patient is then closely monitored during the healing process. Regular follow-up visits are scheduled to assess the success of the procedure and address any potential complications.

Success Rate and Complications

The study analyzed a case series of patients who underwent staged horizontal ridge augmentation using GBR. The findings showcased a high success rate of the technique, with significant improvement in ridge width observed in the majority of cases.

Common Complications

• Infection at the surgical site
• Soft tissue dehiscence
• GBR membrane exposure

Conclusion

The study concludes that staged horizontal ridge augmentation using GBR can be considered as an effective and predictable treatment option for severely resorbed anterior mandibles. The technique allows for significant ridge width augmentation while minimizing complications.

Frequently Asked Questions

1. Is staged horizontal ridge augmentation painful?

No, the procedure is performed under anesthesia, ensuring a pain-free experience for the patient. However, mild discomfort and swelling may be experienced during the recovery period.

2. How long does the healing process take?

The healing process varies depending on the individual. It typically takes several months for the graft to fully integrate with the surrounding bone and achieve optimal results.

3. Can staged horizontal ridge augmentation be performed on any patient?

Not all patients are suitable candidates for this procedure. A thorough evaluation by a dental professional is necessary to determine if the patient is suitable for staged horizontal ridge augmentation using GBR.

4. Are there any alternative treatments available?

Yes, there are alternative treatments available for ridge augmentation, such as bone grafting or ridge splitting. The choice of treatment depends on the individual’s specific case and the dentist’s recommendation.

5. How long do the results of staged horizontal ridge augmentation last?

With proper oral hygiene and regular dental care, the results of staged horizontal ridge augmentation can last for a lifetime. However, it is essential to maintain good oral health practices to preserve the stability and longevity of the augmentation.