A Comparative Clinical Evaluation of Yang’s Keyhole Plate Versus Conventional Plate for Treatment of Mandibular Sub-Condylar Fractures

Document Type : Original Article

Authors

Department of Oral and Maxillofacial Surgery, Faculty of Dental Medicine, Al-Azhar University, Assuit, Egypt

Abstract

Aim: To evaluate both clinically the use of keyhole plate compared with the 
two miniplates in fixation of extracapsular mandibular subcondylar fractures. 
Subjects and Methods: Twenty patients (16 males and 4 females) who met inclusion 
criteria were be divided randomly into 2 equal groups. Group I: consisted of ten patients 
with extracapsular sub condylar fracture was treated with 2 yang’s keyhole plates. 
Group II: consisted of ten patients with extracapsular subcondylar fracture were treated 
with two standard miniplates. Patients assessed clinically by Maximal mouth opening, 
Protrusive excursive movement, Lateral excursive movement, and Time for reduction 
and fixation. Results: maximum mouth opening, protrusive excursive movement, 
lateral excursive movement, At 1st week, 3rd week, 3rd month, and 6th month, there 
was a statistically non-significant difference between study and control groups. 
Conclusion: The YK-plate was thought to be easier to apply in clinical practice while 
taking advantage of sliding-plate system. Reduction of mandibular condylar fracture 
using YK-plate had shorter operative time compared to those with conventional mini 
plate rigid fixation

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Al-Azhar Assiut Dental Journal
Volume 6, Issue 2
October 2023
Pages 269-277

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