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3D evaluation of mandibular skeletal changes in juvenile arthritis patients treated with a distraction splint: A retrospective follow-up

Identificadores del recurso

Maria Florinda Otero González, Thomas Klit Pedersen, Michel Dalstra, Troels Herlin, and Carlalberta Verna (2016) 3D evaluation of mandibular skeletal changes in juvenile arthritis patients treated with a distraction splint: A retrospective follow-up. The Angle Orthodontist: September 2016, Vol. 86, No. 5, pp. 846-853

0003-3219

http://hdl.handle.net/10347/15961

10.2319/081715-549.1

1945-7103

Procedencia

(Minerva. Repositorio Institucional da Universidade de Santiago de Compostela)

Ficha

Título:: 3D evaluation of mandibular skeletal changes in juvenile arthritis patients treated with a distraction splint: A retrospective follow-up
Tema:: Juvenile arthritis; CBCT; Distraction splint; Mandible; Asymmetry
Descripción:: Objective: To evaluate three-dimensional (3D) condylar and mandibular growth in patients with juvenile idiopathic arthritis (JIA) with unilateral temporomandibular joint involvement treated with a distraction splint. Materials and Methods: Cone-beam computed tomography (CBCT) scans were taken for 16 patients with JIA with unilateral TMJ involvement before treatment (T0) and 2 years after treatment (T1). All patients received orthopedic treatment with a distraction splint. Eleven patients without JIA who were undergoing orthodontic treatment without a functional appliance or Class II mechanics and who had taken CBCT scans before and after treatment, served as controls. Reconstructed 3D models of the mandibles at T0 and T1 were superimposed on stable structures. Intra- and intergroup growth differences in condylar and mandibular ramus modifications and growth vector direction of the mandibular ramus were evaluated. Results: In all patients with JIA there were asymmetric condylar volume, distal and vertical condylar displacement, and ramus length differences that were smaller on the affected side. Condylar displacement was more distal and less vertical in the JIA group than in the control group. A larger distal growth of the condylar head and a more medial rotation of the ramus on the affected side were found in the JIA group. Conclusion: The orthopedic functional treatment for patients with JIA allows for condylar adaptation and modeling, thereby hindering, although with a widely variable response, a further worsening of the asymmetry. Unilateral affection has a possible influence on the growth of the nonaffected side; SI
Idioma:: English
Relación:: https://doi.org/10.2319/081715-549.1
Autor/Productor:: Otero González, María Florinda; Pedersen, Thomas Klit; Dalstra, Michel; Herlin, Troels; Verna, Carlalberta
Editor:: E.H Angle Education and Research Foundation
Otros colaboradores/productores:: Universidade de Santiago de Compostela. Centro de Investigación en Tecnoloxías da Información
Derechos:: © 2016 by The EH Angle Education and Research Foundation, Inc.; open access
Fecha:: 2017-10-21T12:45:06Z; 2016
Tipo de recurso:: journal article; VoR

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1. <dc:title>3D evaluation of mandibular skeletal changes in juvenile arthritis patients treated with a distraction splint: A retrospective follow-up</dc:title>
2. <dc:creator>Otero González, María Florinda</dc:creator>
3. <dc:creator>Pedersen, Thomas Klit</dc:creator>
4. <dc:creator>Dalstra, Michel</dc:creator>
5. <dc:creator>Herlin, Troels</dc:creator>
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7. <dc:contributor>Universidade de Santiago de Compostela. Centro de Investigación en Tecnoloxías da Información</dc:contributor>
8. <dc:subject>Juvenile arthritis</dc:subject>
9. <dc:subject>CBCT</dc:subject>
10. <dc:subject>Distraction splint</dc:subject>
11. <dc:subject>Mandible</dc:subject>
12. <dc:subject>Asymmetry</dc:subject>
13. <dc:description>Objective: To evaluate three-dimensional (3D) condylar and mandibular growth in patients with juvenile idiopathic arthritis (JIA) with unilateral temporomandibular joint involvement treated with a distraction splint. Materials and Methods: Cone-beam computed tomography (CBCT) scans were taken for 16 patients with JIA with unilateral TMJ involvement before treatment (T0) and 2 years after treatment (T1). All patients received orthopedic treatment with a distraction splint. Eleven patients without JIA who were undergoing orthodontic treatment without a functional appliance or Class II mechanics and who had taken CBCT scans before and after treatment, served as controls. Reconstructed 3D models of the mandibles at T0 and T1 were superimposed on stable structures. Intra- and intergroup growth differences in condylar and mandibular ramus modifications and growth vector direction of the mandibular ramus were evaluated. Results: In all patients with JIA there were asymmetric condylar volume, distal and vertical condylar displacement, and ramus length differences that were smaller on the affected side. Condylar displacement was more distal and less vertical in the JIA group than in the control group. A larger distal growth of the condylar head and a more medial rotation of the ramus on the affected side were found in the JIA group. Conclusion: The orthopedic functional treatment for patients with JIA allows for condylar adaptation and modeling, thereby hindering, although with a widely variable response, a further worsening of the asymmetry. Unilateral affection has a possible influence on the growth of the nonaffected side</dc:description>
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20. <dc:identifier>Maria Florinda Otero González, Thomas Klit Pedersen, Michel Dalstra, Troels Herlin, and Carlalberta Verna (2016) 3D evaluation of mandibular skeletal changes in juvenile arthritis patients treated with a distraction splint: A retrospective follow-up. The Angle Orthodontist: September 2016, Vol. 86, No. 5, pp. 846-853</dc:identifier>
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