the aim of our study is to assess computer guided mandibular fracture reduction and to prove its lower rate of complications and higher accuracy of reduction compared to the conventional approach in management of mandibular angle fracture.
Patients with isolated mandibular angle fracture needs open reduction and internal fixation.
Patients with medical history that did not hinder plate placement and adequate proper oral hygiene.
Both genders males and females will be included.
General contraindications to surgery. .
Patients with comminuted fractures.
Subjected to irradiation in the head and neck area less than 1 year before fixation.
Untreated periodontitis.
Parallel
standard Champy mini plate
Devicethe operation will under general anesthesia with nasal intubation and oral pack, Injection of 20 cc saline adrenaline 1:00000 to 0 in the sulcus for hemostasis, Vestibular mucosal incision, Reflect the flap to visualize the broken segments. Full thickness mucoperiosteal flaps were then carefully raised to expose enough underlying alveolar bone then mobilize the broken segment , Arch bar was made to achieve proper occlusion put the Champy 2.0 plate on the ventral surface of the external oblique of the mandible and remove it for further bending using plate pliers for further accommodation of the plate then fix it in place using mono cortical screws.
computer guided screw holes locating guide and Patient Specific Champy plate
Devicethe operation will under general anesthesia with nasal intubation and oral pack, Injection of 20 cc saline adrenaline 1:00000 to 0 in the sulcus for hemostasis, Vestibular mucosal incision, Reflect the flap to visualize the broken segments. Full thickness mucoperiosteal flaps were then carefully raised to expose enough underlying alveolar bone to accommodate the screw holes locating guide and the custom-made Champy plate. , Put the specific screw holes locating device in place and drill the screw holes, remove the screw holes locating device and mobilize the segments then apply the custom-made Champy plate and fix it with screw for passive reduction of the segments. Then suture the mucosa.
Accuracy of computer guided screw holes locating guide and Patient Specific Champy plate in management of mandibular angle fracture
calculate any amount for segments deviation from the virtual plan in mms.
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