World Journal of Dentistry

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VOLUME 15 , ISSUE 10 ( October, 2024 ) > List of Articles

ORIGINAL RESEARCH

Evaluation of Patient-specific Zirconium Dioxide Implant vs Titanium Implant in Treatment of Chronic Condylar Dislocation: A Randomized Control Trial

Adham Y Zakaria, Mohamed K Nasr, Gamal Moutamed, Rofaida A Abaas

Keywords : Computer-assisted, Dislocation, Eminoplasty, Patient-specific implants, Temporomandibular joint

Citation Information : Zakaria AY, Nasr MK, Moutamed G, Abaas RA. Evaluation of Patient-specific Zirconium Dioxide Implant vs Titanium Implant in Treatment of Chronic Condylar Dislocation: A Randomized Control Trial. World J Dent 2024; 15 (10):826-831.

DOI: 10.5005/jp-journals-10015-2525

License: CC BY-NC 4.0

Published Online: 27-01-2025

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aim and background: The aim of the current study is to evaluate the efficacy of using patient-specific zirconium dioxide (ZrO2) implant vs patient-specific titanium implant for the management of chronic condylar dislocation. Materials and methods: A randomized controlled trial was conducted on 14 patients (a total of 28 joints) who were diagnosed with chronic recurrent dislocation of the temporomandibular joint (TMJ). In the study group, seven patients were treated with patient-specific zirconia eminoplasty bilaterally, while in the control group, seven patients were treated with patient-specific titanium eminoplasty bilaterally. The assessment included measuring the maximum incisal opening in millimeters and evaluating pain intensity using a visual analog scale (VAS) from 0 to 10. The data were recorded and statistically analyzed. Results: In the study group, the mean value of the difference in maximal interincisal opening was (14.86 ± 2.54) mm, while in the control group it was (16.29 ± 2.50) mm, and the difference was not statistically significant (p = 0.312). In the study group, the mean value of postoperative pain was (3.57 ± 1.13), while in the control group it was (6.71 ± 1.70), and the difference was statistically significant (p = 0.002). Conclusion: Both groups are considered effective treatment options for chronic recurrent TMJ dislocation in terms of achieving maximum interincisal opening (MIO) reduction. The study group experienced lower levels of postoperative pain compared to the control group. Clinical significance: The purpose of this study is to introduce a biologically compatible inert ZrO2 implant, which may provide an acceptable new alternative in the surgical management of chronic condylar dislocation alongside materials recorded in the literature. Moreover, this material may be of clinical value when implemented in other craniomaxillofacial applications in future studies.


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