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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林峯輝(Feng-Hui Lin) | |
| dc.contributor.author | Minal Thacker | en |
| dc.contributor.author | 沙米娜 | zh_TW |
| dc.date.accessioned | 2022-11-24T03:43:07Z | - |
| dc.date.available | 2026-07-29 | |
| dc.date.available | 2022-11-24T03:43:07Z | - |
| dc.date.copyright | 2021-08-04 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-07-29 | |
| dc.identifier.citation | 1. Höfel, L.; Lange, M.; Jacobsen, T. Beauty and the teeth: perception of tooth color and its influence on the overall judgment of facial attractiveness. Int. J. Periodontics Restorative Dent. 2007, doi:10.11607/prd.00.0755. 2. Barry, T.N.; Bailey, C.W.; Ashcraft-Olmscheid, D.; Vandewalle, K.S. Effect of a new bleaching gel on tooth whitening. Oper. Dent. 2017, doi:10.2341/16-200-L. 3. Joiner, A. Tooth colour: A review of the literature. J. Dent. 2004, doi:10.1016/j.jdent.2003.10.013. 4. Kurzmann, C.; Verheyen, J.; Coto, M.; Kumar, R.V.; Divitini, G.; Shokoohi-Tabrizi, H.A.; Verheyen, P.; De Moor, R.J.G.; Moritz, A.; Agis, H. In vitro evaluation of experimental light activated gels for tooth bleaching. Photochem. Photobiol. Sci. 2019, doi:10.1039/c8pp00223a. 5. Leite Lima, D.A.N.; Silva, A.L.F.; Aguiar, F.H.B.; Liporoni, P.C.S.; Munin, E.; Ambrosano, G.M.B.; Lovadino, J.R. 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/81322 | - |
| dc.description.provenance | Made available in DSpace on 2022-11-24T03:43:07Z (GMT). No. of bitstreams: 1 U0001-2806202121593200.pdf: 4405953 bytes, checksum: 1f60eac0761ec8e77b8f62a9cf0418c4 (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | ACKNOWLEDGEMENTS ii ABSTRACT iii TABLE OF CONTENTS iv LIST OF FIGURES vi LIST OF TABLES vii CHAPTER I: INTRODUCTION 1 1.1 Research Purpose 5 CHAPTER II: THEORETICAL BASIS 6 2.1 Anatomy of Tooth 7 2.2 Color Science and tooth Color 8 2.3 Tooth Discoloration 10 2.3.1 Extrinsic tooth discoloration 10 2.3.2 Intrinsic Staining 11 2.4 Bleaching History 12 2.5 Mechanism of Bleaching 13 2.6 Types of Tooth Bleaching 15 2.6.1 At-home Bleaching 15 2.6.2 In-office Power Bleaching 16 2.6.3 Over-the-counter Bleaching 17 2.7 pH of Tooth Whitening Products 18 2.8 Measurement of Tooth Color 19 2.9 Titanium dioxide (TiO2) 21 2.10 Calcium Peroxide (CaO2) 22 2.11 Methyl cellulose 24 CHAPTER III: MATERIALS METHODS 25 3.1 Materials 26 3.2 Preparation of nitrogen-doped titanium dioxide (N-TiO2) 26 3.3 Material Characterization 26 3.3.1 X-Ray Diffraction (XRD) Analysis 26 3.3.2 Scanning Electron Microscopy (SEM) 27 3.3.3 UV-Vis Spectrophotometer 27 3.3.4 X-ray Photoelectron Spectroscopy (XPS) 27 3.3.5 Particle size distribution analysis 28 3.4 Preparation of dental bleach 28 3.5 Photocatalytic degradation analysis 29 3.6 Preparation of stained teeth 29 3.7 Color analysis of Stained teeth 30 3.8 Tooth bleaching 30 3.9 Biological assays 31 3.9.1 Cell culture 31 3.9.2 Cell viability 32 3.9.3 Cell cytotoxicity 32 3.10 Statistical Analysis 33 CHAPTER IV: RESULTS 34 4.1 Characterization of N-TiO2 35 4.1.1 X-ray diffraction analysis 35 4.1.2 Surface morphology analysis 37 4.1.3 Photo absorption of N-TiO2 38 4.1.4 X-ray photoelectron spectroscopy analysis 39 4.1.5 Analysis of particle size distribution 40 4.2 Photocatalytic properties of N-TiO2 in dental bleach 41 4.3 Color analysis of tooth bleaching 44 4.4 Biological assays 46 CHAPTER V: DISCUSSION 48 CHAPTER VI: CONCLUSION 53 REFERENCES 56 | |
| dc.language.iso | en | |
| dc.subject | 二氧化鈦 | zh_TW |
| dc.subject | 漂白 | zh_TW |
| dc.subject | 可見光 | zh_TW |
| dc.subject | 氮摻雜 | zh_TW |
| dc.subject | 過氧化鈣 | zh_TW |
| dc.subject | visible light | en |
| dc.subject | nitrogen doping | en |
| dc.subject | titanium dioxide | en |
| dc.subject | calcium peroxide | en |
| dc.subject | bleaching | en |
| dc.title | 摻氮二氧化鈦與過氧化鈣結合用於牙科漂白 | zh_TW |
| dc.title | Nitrogen Doped Titanium Dioxide Combined with Calcium Peroxide for Dental Bleaching | en |
| dc.date.schoolyear | 109-2 | |
| dc.description.degree | 博士 | |
| dc.contributor.oralexamcommittee | 黃義侑(Hsin-Tsai Liu),郭士民(Chih-Yang Tseng),林俊彬,曾靖孋 | |
| dc.subject.keyword | 漂白,過氧化鈣,二氧化鈦,氮摻雜,可見光, | zh_TW |
| dc.subject.keyword | bleaching,calcium peroxide,titanium dioxide,nitrogen doping,visible light, | en |
| dc.relation.page | 60 | |
| dc.identifier.doi | 10.6342/NTU202101180 | |
| dc.rights.note | 同意授權(限校園內公開) | |
| dc.date.accepted | 2021-07-30 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 醫學工程學研究所 | zh_TW |
| dc.date.embargo-lift | 2026-07-29 | - |
| 顯示於系所單位： | 醫學工程學研究所 | |
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