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Modified 3d Rectangular Grid Plate for Fixation of Anterior and Body Mandibular Fractures

Evaluation of the Use of Modified 3d Rectangular Grid Plate for Fixation of Anterior and Body Mandibular Fractures (Randomized Controlled Clinical Trial)

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07590401
Enrollment
22
Registered
2026-05-15
Start date
2025-03-02
Completion date
2026-02-07
Last updated
2026-05-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Mandibular Fracture

Brief summary

Background: Fractures of anterior mandible (symphysis and parasymphysis) make up about 9% to 57%, of mandibular fractures, and body fractures make up about 21%; posing challenges for stabilization due to anatomical constraints. Traditional 3D plates have limitations in this area, leading to the development of Modified 3D Rectangular Grid plates. Studies have shown that these plates offer superior stabilization over larger configurations while maintaining a low profile like miniplates. Additionally, design modifications ensure mental nerve preservation, balancing effective fixation with neurovascular safety. Aim of this study: To evaluate the use of Modified 3D Rectangular Grid plates in comparison with conventional mini plates for fixation of mandibular fracture in the anterior and body regions, clinically regarding pain, interfragmentary mobility, maximal inter-incisal opening, wound healing, and sensory nerve evaluation, and radiographically regrading fracture reduction.

Interventions

OTHERModified 3D Rectangular Grid plate

The system consists of a lower 1.5-mm rectangular plate and an upper linear plate that interlock through circular recesses and elevations. Each component is 0.75 mm thick at the junction, giving a total thickness of 1.5 mm. After screw fixation, it provides 3D stability similar to standard 3D plates while minimizing risk to the mental nerve.

conventional mini plates for fixation of mandibular fracture in the anterior and body regions

Sponsors

Alexandria University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
20 Years to 50 Years
Healthy volunteers
No

Inclusion criteria

* Patients suffering from recent fractures at the symphysis, parasymphysis and body regions * Adult patients with no gender predilection who agreed to present for follow-up visits * A fracture that demands open reduction and internal fixation. * The patient medically fit for general anesthesia

Exclusion criteria

* Patients suffering from recent fractures at the symphysis, parasymphysis and body regions * Adult patients with no gender predilection who agreed to present for follow-up visits * A fracture that demands open reduction and internal fixation * The patient medically fit for general anesthesia

Design outcomes

Primary

MeasureTime frameDescription
change in maximum mouth openingup to 6 weeksUsing a millimetre ruler to measure maximal inter-incisal mouth opening; considered to be adequate if \>30 mm and inadequate if \<30 mm
change in pain scoresup to 6 weeksWill be assessed through a 10-point Visual Analogue Scale (VAS). (0-1= None, 2-4= Mild, 5-7= Moderate, 8-10= Severe

Secondary

MeasureTime frameDescription
change in Inter-fragmentary Mobilityup to 6 weeksThe mobility will be assessed by bi-manual palpation across the fracture site.
change in Wound Evaluationup to 6 weeksThe sutured wounds will be examined for signs and symptoms of infection uisng modified Landry's index
adequacy of fracture line reduction6 weeksWhenever alignment of the inferior border of the mandible will be maintained across the fracture line, it will be considered an excellent reduction. If a discrepancy of 1-3 mm will be noted, it will be considered a good reduction. If a discrepancy of 3-5 mm will be noted, it will be labeled as a fair reduction. If the discrepancy will be \> 5 mm, it will be considered a poor reduction.

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 16, 2026