What the study found
3D interlocking miniplates were reported as an effective alternative to conventional miniplates for mandibular parasymphyseal fractures near the mental foramen, with better bone healing and neurosensory outcomes.
Why the authors say this matters
The authors conclude that 3D interlocking miniplates may offer enhanced bone healing and better mental nerve neurosensory outcomes when used for fractures near the mental foramen, a part of the jaw where the mental nerve passes.
What the researchers tested
The researchers conducted a split-mouth randomized clinical trial in 12 patients with recent bilateral mandibular fractures in the mental foramen zone. One side was treated with a 3D interlocking miniplate and the other with conventional miniplates, and patients were followed clinically for 6 postoperative weeks and radiographically to 12 weeks.
What worked and what didn't
By the end of follow-up, all cases had no intra-fragmentary mobility, proper occlusion, reduced pain scores, and proper wound healing. Objective nerve testing improved on both sides, but one patient had Level C sensation on the conventional miniplate side at 6 weeks; both sides increased in mean bone density, and the 3D interlocking side had a higher density than the conventional side.
What to keep in mind
The study included only 12 patients, so the abstract provides a small-sample comparison. The available summary does not describe additional limitations beyond the short follow-up period and the specific fracture location studied.
Key points
- The trial compared 3D interlocking miniplates with conventional miniplates in 12 patients.
- All cases ended with no fragment mobility, proper occlusion, reduced pain, and proper wound healing.
- Bone density increased on both sides, but the 3D interlocking side was higher than the conventional side at 12 weeks.
- Nerve testing improved on both sides, though one patient had Level C sensation on the conventional side at 6 weeks.
Disclosure
- Research title:
- 3D interlocking miniplates improved bone density in mandibular fractures
- Authors:
- Ibrahim Mohamed Abdelhamed, Ahmed Sweedan, Reem M. Ismail, Yehia El-Mahallawy
- Institutions:
- Alexandria University
- Publication date:
- 2026-03-29
- OpenAlex record:
- View
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