Preliminary study on treatment of mandibular fracture in children with three-dimensional printing technology combined with multifunctional occlusal splint
10.3760/cma.j.cn112144-20230912-00156
- VernacularTitle:三维打印技术联合多功能 板治疗儿童下颌骨骨折初探
- Author:
Chenchen ZHANG
1
;
Chi SONG
;
Dongkun YANG
;
Zhenzhen LI
;
Dong WANG
;
Tingyi GAO
;
Jie HU
;
Kai ZHANG
Author Information
1. 蚌埠医学院第一附属医院口腔科，蚌埠 233000
- Keywords:
Child;
Mandibular fractures;
Digitization;
Three-dimensional printing;
Surgical treatment
- From:
Chinese Journal of Stomatology
2023;58(11):1172-1177
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To explore the role of digital three-dimensional printing technology and multifunctional occlusal splint in the treatment of mandibular fracture in children.Methods:From January 2006 to January 2022, 42 children with mandibular fracture were treated by Department of Stomatology, in The First Affiliated Hospital of Bengbu Medical College, including 25 males and 17 females. The patients, aged from 4 to 12 years, with the median age was 10 years old, were divided into observation group (22 cases) and routine group (20 cases) according to the treatment methods. In the observation group, the multifunctional occlusal splint was made before operation, and the CT data of the children were imported into Mimics software in".dicom"format, and the displaced mandible was virtually reset. The jaw reduction model was made by three-dimensional printing, and the surgical operation was simulated on the reduction model to determine the model and position of the internal fixation device and shape it. During the operation, the fracture was reduced and fixed according to the preoperative design. The conventional group was treated with open reduction and internal fixation of mandibular fracture by traditional methods, and the clinical application value was compared and analyzed through the intraoperative situation, occlusal relationship, and follow-up of the two groups.Results:The total intraoperative bleeding volume [(30.25±4.02) ml] and surgical time [(64.3±9.2) min] in the observation group were significantly lower than those in the conventional group [(35.13±5.69) ml and (84.6±13.9) min, respectively] ( F=6.18, P=0.003; F=1.32, P=0.001). The excellent and good rate of occlusal relationship in the observation group [96% (21/22)] was significantly higher than that in the conventional group [85% (17/20)] ( F=4.27, P=0.039). The incidence of complications, the observation group, 1 case of poor occlusion, 1 case of postoperative infection; In the routine group, there were 3 cases with poor occlusion, 1 case with nerve injury, 1 case with root injury and 1 case with tooth germ injury. Conclusions:The application of digitization three-dimensional printing technology combined with multifunctional occlusal splint in children′s mandibular fracture is minimally invasive, safe, efficient and accurate, and the clinical effect is good.
