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AuthorAhmed, Madiha Mohammed Saleh
AuthorShi, Danli
AuthorAl-Somairi, Majedh Abdo Ali
AuthorAlhashimi, Najah
AuthorAlmashraqi, Abeer A.
AuthorMusa, Mazen
AuthorLi, Ning
AuthorChen, Xi
AuthorAlhammadi, Maged S.
Available date2023-02-28T05:20:21Z
Publication Date2023-12-01
Publication NameBMC Oral Health
Identifierhttp://dx.doi.org/10.1186/s12903-023-02720-w
CitationAhmed, M.M.S., Shi, D., Al-Somairi, M.A.A. et al. Three dimensional evaluation of the skeletal and temporomandibular joint changes following stabilization splint therapy in patients with temporomandibular joint disorders and mandibular deviation: a retrospective study. BMC Oral Health 23, 18 (2023). https://doi.org/10.1186/s12903-023-02720-w
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85146295127&origin=inward
URIhttp://hdl.handle.net/10576/40479
AbstractBackground: Three-dimensional (3D) detailed evaluations of the mandibular mediolateral position, mandibular condylar position, and temporomandibular joint (TMJ) spaces following stabilization splints (SS) therapy in patients with temporomandibular joint disorders (TMD) and mandibular deviation (MD) have not been reported in the available literature. Accordingly, this study aimed to three-dimensionally analyze the skeletal and bony temporomandibular joint changes following stabilization splint therapy in adult patients with temporomandibular joint disorders and mandibular deviation. Methods: This study is a retrospective clinical study that enrolled 26 adult patients with TMD and MD with a mean age of 24.86 years. The Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) was used to diagnose TMD. SS was adjusted weekly until occlusal contact stabilization occurred, and then adjusted monthly, patients were instructed to wear it at night for at least 10 h. The SS was removed after the elimination of TMD symptoms (TMJ/muscle pain on palpation, muscle spasm, and clicking) and having both condyles completely seated in a musculoskeletally stable position. Pre- and post-therapeutic Cone Beam Computed Tomography (CBCT) was analyzed. Mandibular mediolateral position, TMJ spaces, and mandibular condyle position were analyzed three-dimensionally using Mimics 21.0 software. Paired t-test or Wilcoxon rank-sum test was performed, and the significance level was considered at P < 0.05. Results: The treatment period with SS therapy was 10.07 ± 3.1 months. The deviated chin was improved in 69.23% of the sample; the range of improvement was > 0 mm ≤ 3.9 mm. The mandibular rotation was significantly decreased from 3.58 ± 2.02° to 3.17 ± 1.60. The deviated side’s superior and posterior joint TMJ spaces were significantly increased from 2.49 ± 0.88 mm and 1.25 ± 0.79 mm to 2.98 ± 1.02 mm and 1.86 ± 0.72 mm, respectively. The value of the difference from the bilateral condyle head position to the X and Z axes significantly decreased from 2.50 ± 1.56 mm and 2.30 ± 1.57 mm to 1.64 ± 1.58 mm and 1.82 ± 1.11 mm, respectively. Conclusion: The main positional effect of the stabilization splint treatment in TMD patients with MD includes considerable correction of mandibular deviation, improving facial asymmetry, and moving the condyle into a stable condylar position; these were done by promoting the mandible to rotate around the Z (roll) and Y (yaw) axes and by forward, downward, and outward condylar movement on the deviated side, respectively.
SponsorThis work was supported by supported by New Medical Treatment and New Technology of the First Affiliated Hospital of Xi'an Jiaotong University (XJYFY-2017ZD02).
Languageen
PublisherBMC
SubjectCBCT
Mandibular deviation
Stabilization splint
Temporomandibular disorders
Three-dimensional analysis
TitleThree dimensional evaluation of the skeletal and temporomandibular joint changes following stabilization splint therapy in patients with temporomandibular joint disorders and mandibular deviation: a retrospective study
TypeArticle
Issue Number1
Volume Number23
ESSN1472-6831
dc.accessType Open Access


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