To established a digital workflow for stabilization occlusal splint with computer-aided design and computer-aided manufacturing (CAD/CAM) methods. Two subjects were enrolled from April 2019 to May 2019 from Department of Prosthodontics, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine (one male, 25 years old; one female, 24 years old). The working models of the participants' dentition were made. Two stabilization occlusal splints were manufactured for each participant using digital workflow and conventional workflow. With the digital workflow, the three-dimensional (3D) scanning of the cast, recording of the digital personalized mandibular movements and condyle trajectory, and the design and the 3D printing for the fabrication of the final appliance using CAD/CAM technologies were performed. With conventional workflow, conventional technologies were adopted based on requirements and experiment of designing and manufacturing of stabilization splint. During try-in, a checklist was built to compare the clinical performance of the two workflows. The digital workflow of the stabilization occlusal splint was built successfully. The total score of clinical primary evaluation by the two subjects were 26 and 26 for digital workflow splints, and 25 and 23 for conventional workflow splints. Digital stabilization occlusal splint workflow is feasible.
为构建数字化咬合板系统，上海交通大学医学院附属第九人民医院口腔修复科于2019年4至5月招募2名健康志愿者（1名25岁男性和1名24岁女性），用硅橡胶取模灌制石膏模型，每位受试者均采用数字化法和常规法制作咬合板：用口腔三维扫描仪扫描石膏模型，建立数字化模型，借助下颌运动分析系统记录颌位关系及下颌运动参数，进行计算机辅助设计并三维打印制作咬合板；以常规法设计制作的咬合板为对照，对两种咬合板进行临床评价。结果显示数字化咬合板系统具有临床可行性。临床初步评价显示，数字化咬合板客观评价与主观评分总分优于传统咬合板。.
Keywords: Computer-aided design; Occlusal splints; Three-dimensional printing.