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Z-Shaped Versus Conventional Miniplates for Mandibular Fractures
Sponsor: Sana'a University
Summary
This study compares two different methods of repairing fractures at the front of the lower jaw (the symphysis and parasymphysis). Usually, surgeons fix these displaced fractures using two separate titanium plates, which can be time-consuming to place and lie close to the nerve that supplies feeling to the lower lip and chin. Recently, a single Z-shaped titanium plate was designed to provide the same stability using less hardware, potentially making the surgery easier and safer for the nerve. The purpose of this study is to compare the use of a single Z-shaped miniplate with the conventional two-miniplate technique in adult patients. The researchers will measure how long the surgery takes, the number of screws needed, and how easy it is to place the plates. After the surgery, patients will be monitored for up to 3 months to compare pain levels, facial swelling, jaw movement (mouth opening and side-to-side movement), nerve function, and how well the bone heals on x-rays.
Official title: Z-shaped Miniplate Versus Conventional Two-miniplate Fixation of Symphyseal and Parasymphyseal Mandibular Fractures: a Prospective Comparative Study.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
20
Start Date
2025-09-25
Completion Date
2026-06-07
Last Updated
2026-10-28
Healthy Volunteers
No
Conditions
Interventions
Z-shaped titanium miniplate
Open reduction and internal fixation of the mandibular fracture using a single Z-shaped titanium miniplate
Conventional titanium miniplates
Open reduction and internal fixation of the mandibular fracture using two 5-hole non-compression titanium miniplates.
Locations (2)
Al-Gumhouri Teaching Hospital
Sanaa, Yemen
Al-Kuwait University Hospital
Sanaa, Yemen