Title Page
Contents
ABSTRACT 8
I. INTRODUCTION 10
II. MATERIALS AND METHODS 12
A. Study model fabrication 12
B. Reference scanned data 13
C. Application of artificial saliva 13
D. 4 Different intraoral scanners used for scanning of each study model 13
E. Datasets 14
F. Superimposition assessment 15
III. RESULTS 17
A. Mean maximum discrepancy values(unit:㎜) 17
B. Mean discrepancy values(unit:㎜) 18
IV. DISCUSSION 23
V. CONCLUSION 29
REFERENCES 30
논문개요 35
Table 1. Discrepancy results from superimposition of reference and scanned images 22
Figure 1. Study models and brackets. 12
Figure 2. Scanned image examples 14
Figure 3. Superimposed image of reference and scanned image 16
Figure 4. Discrepancies in superimposition of reference and scanned images within scanners 20
Figure 5. Discrepancies in superimposition of reference and scanned image within brackets 21
Figure 6. Bubbles formed on the surface of study models 26