Developing a Dental Surgery Simulator for Teeth Drilling and Mandible Cutting

Bachelorarbeit , 2015 , 50 Seiten , Note: 1.2

Informatik - Angewandte Informatik

This thesis focuses on virtual solid body manipulation with haptic feedback at real-time frame rates, such as teeth drilling and bone sawing.

Medical operations and surgical interventions require an enormous amount of skill and experience.
The traditional ways for medical students to obtain their surgical skills are either practicing on cadavers, animals or patients directly. However, all of these training methods bear several disadvantages.

With ongoing developments in the area of virtual reality (VR), virtual surgery simulators turned out to be a safe and repeatable alternative to the traditional training methods. A medical simulator provides a virtual training environment in which the trainee is able to interact with virtual objects and obtain physically plausible force feedback via a haptic feedback device connected to the simulator.

CONTENTS

1 Introduction

2 Preliminaries
2.1 Object Representation
2.1.1 Voxels
2.1.2 Marching Cubes Algorithm
2.1.3 Point Shells
2.1.4 Polygonal Meshes
2.1.5 Distance Fields
2.2 Haptic Rendering
2.2.1 Collision Detection
2.2.2 Collision Response
2.2.3 Direct Rendering vs. Virtual Coupling
2.3 Rendering Frequencies

3 Related Work

4 Methods and Implementation
4.1 Object Representation
4.1.1 Dental Tools
4.1.2 Volume Object
4.1.3 Implementation
4.1.3.1 Dental Tools
4.1.3.2 Volume Object
4.2 Collision Detection
4.2.1 Spatial Hashing
4.2.2 Dental Bur
4.2.3 Dental Saw
4.2.4 Collision Response
4.2.5 Handling Collisions
4.2.6 Erosion
4.2.7 Haptic Device

5 Evaluation

6 Conclusion and Future Work
6.1 Conclusion
6.2 Future Work

• Hochschule: Rheinisch-Westfälische Technische Hochschule Aachen
• Note: 1.2
• Autor: Thomas Conraths (Autor:in)
• Erscheinungsjahr: 2015
• Seiten: 50
• Katalognummer: V1194359
• ISBN (PDF): 9783346639462
• ISBN (Buch): 9783346639479
• Sprache: Englisch
• Schlagworte: Informatik, Computer Science, Virtual Reality, Collision Detection, Haptic Feedback, Surgery, Simulator, Voxel, medicine, dental