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Volume 8 Issue 11 (November, 2020)

Original Articles

Evaluation of one-point fixation for zygomaticomaxillary complex fractures using a three-dimensional photogrammetric analysis
S Senthilnathan, Dayanithi B.S, Ashutosh Pundlik Dod, Rummaan Ahmed Sheikh, Shreshth Sharma, Nitin kaushik

Aim: The purpose of our study was to assess the stability of one-point fixation using a three-dimensional photogrammetric analysis. Methodology: 10 patients with ZMC fractures were treated by one-point fixation in the ZM buttress using unsintered hydroxyapatite (u-HA)/poly-L-lactide (PLLA) plates. Differences in soft tissue intermalar height between the fractured side and unfractured sides were evaluated using photogrammetric analysis with a three-dimensional camera (MorphiusŪ) at the preoperative and 1 week, 1 and 3 months after surgery. The differences in bony inter-malar height between the fractured and unfractured sides were evaluated using computer tomography at the pre-operative and 6 months after surgery. The paired t-test was used to compare differences in malar height. Results: Six months after surgery, 10 patients achieved satisfactory bony stability and symmetric malar appearances. Comparisons of differences in soft-tissue inter-malar height revealed statistically significant differences between the pre-operative period and 1 week and 1 month after surgery (p < .01). There was no statistically significant difference between 1 and 3months after surgery. Comparison of differences in bony inter-malar height revealed a statistically significant difference between before and 6 months after surgery (p < .01). Conclusion: When we conducted a three-dimensional photogrammetric analysis, although it has restricted surgical indications, one-point fixation of the ZM buttress using a u-HA / PLLA plate yielded safe clinical results in patients with ZMC fractures. Keywords: Zygomaticomaxillary complex fracture, Zygomaticomaxillary buttress, One-point fixation, Three-dimensional photogrammetric analysis

 
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