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ORIGINAL ARTICLE
Year : 2021  |  Volume : 10  |  Issue : 2  |  Page : 652-656

Internal derangement of temporomandibular joint: Umbrella perforated screw technique


1 Division of Plastic Surgery, King Saud University, Riyadh, Saudi Arabia
2 Department of Plastic Surgery, Centre Hospitalier Universite de Montreal, Montreal, Canada

Correspondence Address:
Dr. Khalid Arab
Division of Plastic Surgery, College of Medicine, King Saud University, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jfmpc.jfmpc_1046_20

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Introduction: Umbrella shaped Perforated Screws (UPS) were developed for the use of orthopedic surgery to facilitate anchoring and fixation of the tissue to bone. We here present a retrospective study of Temporomandibular joint Internal derangement (ID) with fixation using this type of screws. Materials & Methods: We conducted a retrospective study including patients treated for ID using UPS to reposition the articular disc. The study included patients treated between 1998 and 2005. Patients were selected in concordance with clinical symptoms and signs of severity. All patients had an MRI (open/closed mouth) to confirm the diagnosis. Wilkes classification of temporomandibular disease (TMD) was adopted in the selection criteria. Results: Hundred and five patients were included, 92 female and 13 males with average age of 37.56. Dentists or general physicians mainly addressed these patients to our unit. The mean time from symptoms initiating to first consultation was 3.77 years, while the mean timing of surgery after initial consultation was 9.38 months. Patients have presented with various symptoms before the surgery including pain, limitation in eating habits and clicking. 77% of the patients had no or minimal pain post surgery. Hundred and one patients had good eating habits after surgery. Only 34 patients had persistent clicking despite surgery. We had neither infection nor hematoma as complication. Major complication to this technique is frontal paresis (14 patients), which was explained to all patients preoperatively. This paresis recovered in less than 2 months in all patients. We had 89.5% of the patients satisfied with their results. Conclusion: UPS are useful in the field of plastic surgery. This novel technique has the advantage of not compromising the vascular supply of the TMJ articular surface. This technique provides a simple, fast and efficient technique for posterior aponeurosis flap fixation. Our overall satisfactory rate was comparable to other studies.


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