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Effect of CAD/CAM Ceramic Thickness on Shade Masking Ability of Discolored Teeth: In Vitro Study

Author

Listed:
  • Passent Ellakany

    (Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 32210, Saudi Arabia)

  • Marwa Madi

    (Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 32210, Saudi Arabia)

  • Nourhan M. Aly

    (Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Alexandria 21527, Egypt)

  • Zainb S. Al-Aql

    (Dental Sciences, King Abdulaziz Medical City, National Guard Health Affairs, Jeddah 22230, Saudi Arabia)

  • Maher AlGhamdi

    (College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 32210, Saudi Arabia)

  • Abdulrahman AlJeraisy

    (College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 32210, Saudi Arabia)

  • Adel S. Alagl

    (Department of Preventive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam 32210, Saudi Arabia)

Abstract

Shade matching is a common challenge that dentists face during fabrication of esthetic dental restoration. Thus, the aim of the current study was to assess the masking ability of two types of CAD/CAM ceramics for gaining high esthetic prosthesis. This in vitro study used a total sample size of 66 lithium disilicate (LD) and leucite reinforced (LR) CAD/CAM ceramics sub-grouped into three thicknesses: 0.5, 1, and 1.5 mm. Nine shades of natural dentin die materials were prepared as a replica of the underlying tooth structure. The difference in color (ΔE) and translucency parameter (TP) were assessed for both tested ceramics at the three thicknesses. One-way ANOVA was performed to compare the three thicknesses of each ceramic, followed by multiple pairwise comparisons between both ceramics. LR had significantly higher ΔE than LD at all thicknesses used unlike the case in TP. Thickness of 0.5 mm exhibited the highest ΔE and TP, while 1.5 mm thickness showed the lowest ΔE and TP in both ceramics. Increase in ceramic thickness had a great impact on both color masking ability of the underlying tooth structure and its translucency. The higher the ceramic thickness, the better the masking ability and the lower the translucency was reported.

Suggested Citation

  • Passent Ellakany & Marwa Madi & Nourhan M. Aly & Zainb S. Al-Aql & Maher AlGhamdi & Abdulrahman AlJeraisy & Adel S. Alagl, 2021. "Effect of CAD/CAM Ceramic Thickness on Shade Masking Ability of Discolored Teeth: In Vitro Study," IJERPH, MDPI, vol. 18(24), pages 1-11, December.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:24:p:13359-:d:705751
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