Yang’s keyhole plate versus conventional plate for treatment of mandibular sub-condylar fractures
Clinical and radiographic evaluation
Keywords:
sub-condylar fractures, Yang’s Keyhole Plate, miniplatesAbstract
Objectives: The use of a keyhole plate vs two miniplates in the treatment of mandibular subcondylar fractures. Materials and methods:Twenty patients were randomized into two equal groups. Ten patients with subcondylar fractures were treated with two Yang's keyhole plates in Group I. Ten patients with subcondylar fractures were treated with two conventional miniplates in Group II. Maximum mouth opening (MMO), Protrusive excursive movement, Lateral excursive movement, and Time for reduction and fixation were all used to evaluate patients clinically vertical height of ramus, and antero-posterior condylar angulation are all measured radiographically. Results: There was a statistically non-significant difference between the study and control groups at all intervals regarding MMO, Protrusive excursive movement, Lateral excursive movement, vertical height of the ramus, antero-posterior condylar angulation, but was significant at time for reduction and fixation. Conclusion: reducing a mandibular condylar fracture using a YK-plate, the results were similar and the operating time was quicker than when utilizing a traditional mini plate fixation.
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