Visio-haptic simulation for detection of dental cavity profile
Mechatronics and Automation（2011）
摘要
In this paper, a feasible approach for cavity profile detection simulation is presented to help dental students learning skills of cavity diagnosis. The cavity profile is modeled as partitioned meshes with different physical properties. To simulate the realistic feeling stem from stiffness, viscosity and friction, several components of force are introduced when dental tool probing the sound portion and carious sites of teeth. In the process of probing, the force vibration may appear around the cavity boundary. To eliminate the vibration, a locking method is proposed to keep the tool's avatar maintaining its collision status. The experiments show that user can clearly identify the prescribed cavity profile and no force vibration occurs around the boundary. The proposed method can also be extended to the other multi-tissues boundary detection for a stable force feedback.
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关键词
stable force feedback,multitissues boundary detection,friction,avatar,force vibration,physical property,dental students learning skills,cavity diagnosis,stereoscopic display,mesh generation,carious sites,sound portion,stiffness,partitioned meshes,dental cavity profile detection,dental tool,dentistry,cavity profile detection simulation,biomedical education,collision status,haptic rendering,prescribed cavity profile,force feedback,force feedback model,haptic interfaces,cavity detection,locking method,vibration control,medical computing,avatars,visio-haptic simulation,cavity boundary,multi-tissues,computer aided instruction,viscosity,physical properties
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