1. Raptis NV, Michalakis KX, Hirayama H. 2006; Optical behavior of current ceramic systems. Int J Periodontics Restorative Dent. 26:31–41. PMID:
16515094.
2. Zarone F, Russo S, Sorrentino R. 2011; From porcelainfused-to-metal to zirconia: clinical and experimental considerations. Dent Mater. 27:83–96. DOI:
10.1016/j.dental.2010.10.024. PMID:
21094996.
3. Jeong ID, Bae SY, Kim DY, Kim JH, Kim WC. 2016; Translucency of zirconia-based pressable ceramics with different core and veneer thicknesses. J Prosthet Dent. 115:768–72. DOI:
10.1016/j.prosdent.2015.11.003. PMID:
26794702.
4. Vichi A, Louca C, Corciolani G, Ferrari M. 2011; Color related to ceramic and zirconia restorations: A review. Dent Mater. 27:97–108. DOI:
10.1016/j.dental.2010.10.018. PMID:
21122905.
5. Heffernan MJ, Aquilino SA, Diaz-Arnold AM, Haselton DR, Stanford CM, Vargas MA. 2002; Relative translucency of six all-ceramic systems. Part I: core materials. J Prosthet Dent. 88:4–9. DOI:
10.1067/mpr.2002.126794. PMID:
12239472.
6. Al Ben Ali A, Kang K, Finkelman MD, Zandparsa R, Hirayama H. 2014; The effect of variations in translucency and background on color differences in CAD/CAM lithium disilicate glass ceramics. J Prosthodont. 23:213–20. DOI:
10.1111/jopr.12080. PMID:
23889762.
7. Tabatabaian F, Taghizade F, Namdari M. 2018; Effect of coping thickness and background type on the masking ability of a zirconia ceramic. J Prosthet Dent. 119:159–65. DOI:
10.1016/j.prosdent.2017.03.009. PMID:
28478989.
10. Kanchanavasita W, Triwatana P, Suputtamongkol K, Thanapitak A, Chatchaiganan M. 2014; Contrast Ratio of Six Zirconia-Based Dental Ceramics. J Prosthodont. 23:456–61. DOI:
10.1111/jopr.12143. PMID:
24750270.
11. Sulaiman TA, Abdulmajeed AA, Donovan TE, Ritter AV, Vallittu PK, Närhi TO, Lassila LV. 2015; Optical properties and light irradiance of monolithic zirconia at variable thicknesses. Dent Mater. 31:1180–7. DOI:
10.1016/j.dental.2015.06.016. PMID:
26198027.
12. Baldissara P, Llukacej A, Ciocca L, Valandro FL, Scotti R. 2010; Translucency of zirconia copings made with different CAD/CAM systems. J Prosthet Dent. 104:6–12. DOI:
10.1016/S0022-3913(10)60086-8. PMID:
20620365.
13. Matsuzaki F, Sekine H, Honma S, Takanashi T, Furuya K, Yajima Y, Yoshinari M. 2015; Translucency and flexural strength of monolithic translucent zirconia and porcelain-layered zirconia. Dental Mater. 34:910–7. DOI:
10.4012/dmj.2015-107. PMID:
26632242.
14. Passos L, Linke B, Street A, Torrealba Y. 2019; Effect of thickness, translucency, and firing protocol on the masking ability of a CADCAM zirconia-reinforced lithium silicate for different backgrounds. Int J Comput Dent. 22:29–38. PMID:
30848252.
16. Lim HN, Yu B, Lee YK. 2010; Spectroradiometric and spectrophotometric translucency of ceramic materials. J Prosthet Dent. 104:239–46. DOI:
10.1016/S0022-3913(10)60131-X. PMID:
20875528.
18. Ishikawa-Nagai S, Yoshida A, Sakai M, Kristiansen J, Da Silva JD. 2009; Clinical evaluation of perceptibility of color differences between natural teeth and allceramic crowns. J Dent. 37 Suppl 1:e57–63. DOI:
10.1016/j.jdent.2009.04.004. PMID:
19423209.
19. Douglas RD, Steinhauer TJ, Wee AG. 2007; Intraoral determination of the tolerance of dentists for perceptibility and acceptability of shade mismatch. J Prosthet Dent. 97:200–8. DOI:
10.1016/j.prosdent.2007.02.012. PMID:
17499089.
20. Khashayar G, Bain PA, Salari S, Dozic A, Kleverlaan CJ, Feilzer AJ. 2014; Perceptibility and acceptability thresholds for colour differences in dentistry. J Dent. 42:637–44. DOI:
10.1016/j.jdent.2013.11.017. PMID:
24334221.
21. Tabatabaian F, Shabani S, Namdari M, Sadeghpour K. 2017; Masking ability of a zirconia ceramic on composite resin substrate shades. Dent Res J (Isfahan). 14:389–94. DOI:
10.4103/1735-3327.218562. PMID:
29238377.
22. Powers JM, Dennison JB, Lepeak PJ. 1978; Parameters that affect the color of direct restorative resins. J Dent Res. 57:876–80. DOI:
10.1177/00220345780570090701. PMID:
281361.
23. Johnston WM, Ma T, Kienle BH. 1995; Translucency parameter of colorants for maxillofacial prostheses. Int J Prosthodont. 8:79–86. PMID:
7710631.
24. Nassary Zadeh P, Lümkemann N, Sener B, Eichberger M, Stawarczyk B. 2018; Flexural strength, fracture toughness, and translucency of cubic/tetragonal zirconia materials. J Prosthet Dent. 120:948–54. DOI:
10.1016/j.prosdent.2017.12.021. PMID:
29807742.
25. Oh SH, Kim SG. 2015; Effect of abutment shade, ceramic thickness, and coping type on the final shade of zirconia all-ceramic restorations: in vitro study of color masking ability. J Adv Prosthodont. 7:368–74. DOI:
10.4047/jap.2015.7.5.368. PMID:
26576252. PMCID:
PMC4644777.
26. Shimada K, Nakazawa M, Kakehashi Y, Matsumura H. 2006; Influence of abutment materials on the resultant color of heat-pressed lithium disilicate ceramics. Dent Mater J. 25:20–5. DOI:
10.4012/dmj.25.20. PMID:
16706292.
27. Sen N, Sermet IB, Cinar S. 2018; Effect of coloring and sintering on the translucency and biaxial strength of monolithic zirconia. J Prosthet Dent. 119:308. e1-7. DOI:
10.1016/j.prosdent.2017.08.013. PMID:
29150133.
29. Tabatabaian F, Dalirani S, Namdari M. 2019; Effect of Thickness of Zirconia Ceramic on Its Masking Ability: An In Vitro Study. J Prosthodont. 28:666–71. DOI:
10.1111/jopr.12625. PMID:
28452411.
30. Kim HK, Kim SH, Lee JB, Han JS, Yeo IS, Ha SR. 2016; Effect of the amount of thickness reduction on color and translucency of dental monolithic zirconia ceramics. J Adv Prosthodont. 8:37–42. DOI:
10.4047/jap.2016.8.1.37. PMID:
26949486. PMCID:
PMC4769888.
31. Malkondu O, Tinastepe N, Kazazoglu E. 2016; Influence of type of cement on the color and translucency of monolithic zirconia. J Prosthet Dent. 116:902–8. DOI:
10.1016/j.prosdent.2016.05.001. PMID:
27422235.
32. Kürklü D, Azer SS, Yilmaz B, Johnston WM. 2013; Porcelain thickness and cement shade effects on the colour and translucency of porcelain veneering materials. J Dent. 41:1043–50. DOI:
10.1016/j.jdent.2013.08.017. PMID:
24004966.
33. Tabatabaian F, Habib Khodaei M, Namdari M, Mahshid M. 2016; Effect of cement type on the color attributes of a zirconia ceramic. J Adv Prosthodont. 8:449–56. DOI:
10.4047/jap.2016.8.6.449. PMID:
28018562. PMCID:
PMC5179483.