표제지
목차
국문초록 7
I. 서론 9
II. 재료 및 실험방법 10
1. 표본 준비 10
2. Degree of conversion의 측정 13
3. 통계 분석 16
III. 결과 17
IV. 토의 18
V. 결론 20
참고 문헌 21
Abstract 24
Table 1. Conditions of experimental groups 13
Table 2. Results of control and experimental groups 17
Fig. 1. CAD design of the specimens for evaluation of degree of conversion 11
Fig. 2. 3D printer(Shuffle; Phrozen)(a). Preparation of specimen(b). PMMA with support structure removed to fit teflon mold(c). 11
Fig. 3. UV light curing unit(CureM; SONA GLOBAL) 12
Fig. 4. NIR Spectrometer and Teflon holder for specimen measurement 14
Fig. 5. NIR Spectrometer and Teflon holder for specimen measurement 14
Fig. 6. The type, number of times, wavelength and resolution of acquired spectrum 15
Fig. 7. The area of the peak at 6,l65cm-1 which used for calculating degree of conversion(DC)[이미지참조] 15
Fig. 8. Calculation of degree of conversion using ratio of peak area before and after Post-curing 16
Fig. 9. Degree of conversion(%, DC) of the specimens in each group. Groups denoted with same letter(a) means there is no statistical difference(p〉0.05)....[이미지참조] 18