Evaluation of an improved anchoring nail in temporomandibular joint disc repositioning surgery: A prospective study of 25 patients |
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| Affiliation: | 1. Department of Oral and Maxillofacial Surgery, Ninth People''s Hospital, College of Stomatology, Shanghai JiaoTong University School of Medicine, And Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China;2. Department of Oral and Maxillofacial Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China;1. Department of Oral and Maxillofacial Surgery, Hospital Universitario Central de Asturias (HUCA). C/ Carretera de Rubín, S/n, 33011, Oviedo, Asturias, Spain;2. Department of Surgery, University of Oviedo, Asturias, Spain;3. Instituto de Investigación Sanitaria Del Principado de Asturias (ISPA), Instituto Universitario de Oncología Del Principado de Asturias (IUOPA), Universidad de Oviedo. C/ Carretera de Rubín, S/n, 33011, Oviedo, Asturias, Spain;4. Phoniatrician. Department of Rehabilitation, Hospital Universitario Central de Asturias, Oviedo, Asturias (HUCA). C/ Carretera de Rubín, S/n, 33011, Oviedo, Asturias, Spain;1. Department of Oral, Maxillofacial and Facial Plastic Surgery, School of Medicine, University Hospital RWTH Aachen, Pauwelsstrasse 30, 52074, Aachen, Germany;2. Department of Oral and Cranio-Maxillofacial Surgery, Klinikum Osnabrueck GmbH, Am Finkenhuegel 1, 49076, Osnabrueck, Germany;3. Laboratory for Dermatopathology and Pathology Hamburg-Niendorf, Tibarg 7, 22459, Hamburg, Germany;4. Department of Dermatology and Histopathology, Fachklinik Hornheide, Dorbaumstrasse 300, 48157, Muenster, Germany;5. Department of Dermatology and Venereology, University Hospital Cologne, Kerpener Str 62, 50937, Cologne, Germany;1. Oral and Maxillofacial Surgery, Faculty of Dentistry, Cairo University, Egypt;2. Oral and Maxillofacial Surgery, Nasser Institute Hospital, Egypt;3. Oral and Maxillofacial Surgery, Future University in Egypt, Egypt;1. Department of Otorhinolaryngology, Asahi General Hospital, Chiba, Japan;2. Department of Otorhinolaryngology, The Jikei University School of Medicine, Tokyo, Japan;3. Department of Otorhinolaryngology, Dokkyo Medical University Saitama Medical Center, Saitama, Japan;1. Department of Pediatric Craniofacial Plastic Surgery, Childrens Hospital, Wilhelmstift, Hamburg, Germany;2. Department of Radiology, University of Ottawa, Ottawa, Ontario, Canada;3. Department of Oral and Maxillofacial Surgery, University Hospital of Bonn, Bonn, Germany;4. Department of Oral and Maxillofacial Surgery, University Hospital of Schleswig-Holstein, Campus Kiel, Kiel, Germany;1. Oral and Maxillofacial Surgery Department, University Hospital of Amiens, Rond-point Pf Christian Cabrol, 80 000, Amiens, France;2. Oral and Maxillofacial Surgery Department, Beaujon Hospital, 100 Boulevard Du Général Leclerc, 92110, Clichy, France;3. Oral and Maxillofacial Surgery Department, Hospital of Compiègne, 8 Avenue Henri Adnot, 60200, Compiègne, France;4. Chimère UR 75.16, France |
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| Abstract: | To confirm the effectiveness and stability of an improved anchoring nail through a prospective study using clinical evaluation and magnetic resonance imaging (MRI).Patients undergoing TMJ disc reduction and fixation were followed up for 1 year.Visual analog scale (VAS) pain scores and TMJ range of motion (maximum interincisal opening, protrusive excursion, lateral excursion) data were gathered pre- and postoperatively, and patient satisfaction was recorded. Four time points were investigated: before surgery (T0), 1 month post-surgery (T1), 6 months post-surgery (T2), and 1 year post-surgery (T3).Twenty-five patients (50 joints) participated in the study. The overall success rates of the improved and traditional anchoring nails were 88% and 92%, respectively. One year post-surgery, the patients’ TMJ motion improved significantly (p < 0.001), and their pain was significantly alleviated (p < 0.001). Condyle height did not change significantly within 6 months (p = 0.801), but had increased by approximately 1.35 mm (p < 0.001) at 1 year post-surgery. The MRI scans also confirmed that new bone mass growth was present 1 year post-surgery.Compared with the traditional anchoring nail, the improved anchoring nail had a similar success rate and was associated with fewer foreign body sensations and less pain. Its clinical application should be further tested in studies with longer follow-up times and larger sample sizes. |
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| Keywords: | Temporomandibular joint Disc repositioning Anchoring nail |
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