Application of Virtual Mandibular Position in Temporomandibular Jont Reconstruction With Costochondral Graft in Children Jaw Deformity

Facial Asymmetry Clinical Trial

Official title:
Application of Virtual Mandibular Position in Temporomandibular Jont Reconstruction With Costochondral Graft in Children Jaw Deformity.

Status Recruiting

Clinical Trial Summary

Hypothesis：Computer-aided design virtual mandibular position is feasible for costochondral graft growing and occlusion stabilizing in the one-stage treatment of children temporomandibular joint ankylosis (TMJA) or condyle absence with jaw deformity. Methods: The inclusion criteria is children patients younger than 12 years old with unilateral TMJA or condyle absence. A virtual mandibular position is designed preoperatively according to the CT data of jaw and dentition. 3D printed templates and occlusal splints are used to guide the costochondral graft and mandibular position. During surgery, the affected ramus is reconstructed with costochondral grafting under the virtual mandibular position. After surgery, the occlusal splint is fixed to maxilla at least one month, and then, replaced by orthodontic functional appliance to promote downward growth of the maxilla. Occlusion, facial symmetry, costochondral graft growing would be evaluated and analysed until adulthood.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03845088
Study type	Observational [Patient Registry]
Source	Peking University
Contact	Shuo Chen, MD
Phone	+86 15910920699
Email	chenshuo-88@163.com
Status	Recruiting
Phase
Start date	September 1, 2018
Completion date	December 31, 2024

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