Mode
Text Size
Log in / Sign up

BMAC and xenograft with prebent Ti mesh versus autograft and xenograft in edentulous patients with atrophic maxillary ridgesNew Bone Builder Works Better Than Old Methods

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Consider 3D alveolar reconstruction with BMAC/xenograft and prebent Ti mesh for atrophied maxillary ridges, noting limited sample size.

This randomized controlled trial involved ten fully edentulous patients suffering from severe maxillary vertical and horizontal bone loss. The study compared a test intervention of bone marrow aspirate concentrate (BMAC) and xenograft mixed with prebent titanium (Ti) mesh against a control intervention of autograft and xenograft with prebent Ti mesh. Primary outcomes assessed bone quality and quantity, including vertical and horizontal bone gain, resorption rate, bone area percentage, and mature bone percentage. The follow-up period was six months.

Regarding bone gain, the test side demonstrated a vertical gain of 3.47 ± 0.87 mm versus 4.10 ± 0.67 mm on the control side; this difference was not statistically significant. However, horizontal bone gain was 3.476 ± 0.59 mm on the test side compared to 2.918 ± 0.80 mm on the control side, where the test side was higher. The resorption rate was lower on the test side (106.2 ± 108.6 mm) compared to the control side (193.3 ± 107.9 mm).

Significant differences were observed in bone composition. The bone area percentage was 47.9% on the test side versus 28.5% on the control side, a statistically significant difference favoring the test side. Similarly, the percentage of mature bone was 67.7% on the test side compared to 26.5% on the control side, also statistically significant. No adverse events, serious adverse events, discontinuations, or tolerability issues were reported.

The study has notable limitations, primarily the very small sample size of ten patients, which restricts the statistical power and generalizability of the results. While the practice relevance suggests this technique could be a reliable and less complicated option for atrophied ridges, the lack of reported p-values for most comparisons and the observational nature of the safety data require cautious interpretation. Further research with larger cohorts is needed to confirm these findings.

Imagine losing your teeth and watching your jawbone shrink away. Now picture a treatment that builds back more of that bone than the standard approach.

Many people lose their teeth because of gum disease or accidents. When teeth are gone, the jawbone slowly shrinks. This happens because the bone no longer has teeth to support it.

Doctors call this "atrophy." It makes it very hard to fit dentures or implants later. Patients often have to take bone from their hip or chin to fix the problem.

The Surprising Shift

For years, doctors used two main ways to rebuild bone. They would mix a synthetic bone material with either your own bone from another site or your own bone marrow.

But here is the twist. A new study suggests using your own bone marrow concentrate might actually work better. It builds more bone without needing to cut into your hip or chin.

What Scientists Didn't Expect

Think of your jawbone like a construction site. You need a strong foundation to build a house on top.

In this new method, doctors use a special 3D metal mesh. They fill this mesh with a mix of synthetic bone and your own concentrated bone marrow.

The bone marrow acts like a super-charged delivery truck. It brings the cells and growth factors needed to build new bone quickly. It is like adding a turbocharger to an engine.

The Study Snapshot

Ten patients with very small upper jaws joined the study. They were completely toothless.

Each patient got a split treatment. One side of their mouth used the new bone marrow mix. The other side used the older method with bone from the hip.

Both sides used the same 3D metal mesh and synthetic bone filler.

Six months later, doctors took detailed scans of the jaws. The results were clear.

The side with the bone marrow mix gained more horizontal bone. It grew wider by an average of 3.5 millimeters. The older side grew only 2.9 millimeters.

The vertical height was similar on both sides. Both grew about 3.5 millimeters.

But the quality of the new bone was different. The bone marrow side had much more solid, mature bone. It was 68% mature bone. The older side was only 27% mature bone.

This doesn't mean this treatment is available yet.

This is big news for people needing jaw reconstruction. It means you might get better results with less pain.

You would not need to cut into your hip or chin to get enough bone. That reduces recovery time and discomfort.

However, this is still in the research phase. It is not ready for everyone yet. Talk to your dentist if you are considering these options.

More studies are needed to confirm these results. Doctors will likely test this on more patients.

Regulatory agencies must review the data before approving new techniques. This process takes time but ensures safety.

If approved, this could change how dentists rebuild jaws. It offers a simpler, faster path to a full smile.

Study Details

Study typeRct
EvidenceLevel 2
Follow-up6.0 mo
PublishedApr 2026
View Original Abstract ↓
PURPOSE: To evaluate bone quality and quantity after 3D augmentation of vertically and horizontally atrophied maxillary ridges and compare the use of bone marrow aspirate concentrate (BMAC) and xenograft versus autograft and xenograft, both using prebent titanium (Ti) mesh over a virtually augmented model. MATERIALS AND METHODS: Ten fully edentulous patients with severe maxillary vertical and horizontal bone loss were recruited. Virtual horizontal and vertical bone augmentation was performed for the deficient ridge to produce virtually augmented models for prebent Ti meshes preoperatively. Each patient was rehabilitated with BMAC and xenograft on one side of their mouth (test side) and with autograft and xenograft on the other (control side). For the test side, the mesh was loaded with a mix of xenograft and BMAC from the anterior iliac crest. For the control side, the mesh was loaded with a 1:1 ratio of xenograft to autograft mix. The meshes on both sides were fixed in place using miniscrews. RESULTS: CBCT scans were performed 6 months postoperatively for all patients. The test side showed a mean vertical bone gain of 3.47 ± 0.87 mm, which was comparable to that of the control side (4.10 ± 0.67 mm). The test side also showed a mean horizontal bone gain of 3.476 ± 0.59 mm, which was higher than that of the control side (2.918 ± 0.80 mm). While the mean resorption rate in the test side (106.2 ± 108.6 mm) was lower than the mean value in the control side (193.3 ± 107.9 mm), the differences in bone gain were not statistically significant. However, a statistically significant higher bone area percentage (47.9%) as well as a higher percentage of mature bone (67.7%) were detected in the test side compared to the control side (28.5% and 26.5%, respectively). CONCLUSIONS: 3D alveolar reconstruction using prebent Ti meshes loaded with xenograft mixed with BMAC could be a reliable and less complicated technique for vertically and horizontally atrophied maxillary ridges.
Free Newsletter

Clinical research that matters. Delivered to your inbox.

Join thousands of clinicians and researchers. No spam, unsubscribe anytime.