Table 1 Materials and devices used in the study
Material/Device Type | Brand Name | Composition | Manufacturers | Lot # | Shades |
|---|---|---|---|---|---|
Hybrid glass ceramic in resin matrix | VITA ENAMIC (VE) | Polymer infiltrated feldspathic ceramic network material with 86 wt% ceramic, UDMA, TEGDMA | VITA Zahnfabrik, Bad Säckingen, Germany | 51960 | 1M2HT |
Feldspathic glass ceramic | Vitablocs Mark II (VM II) | Fine-particle feldspar glass ceramic 30% | VITA Zahnfabrik, Bad Säckingen, Germany | 42650 | IM2C |
Zirconia reinforced lithium disilicate glass ceramic | VITA SUPRINITY (VS) | silicon dioxide (56–64%), Li2o (15–21%), Zro2 (8–12%), La2O3 (0.1%), and pigments | VITA Zahnfabrik, Bad Säckingen, Germany | 40880 | 1M2HT |
Porcelain Polishing kit | OptraFine | Multi-step diamond finishing and polishing system for ceramics | Ivoclar, Vivadent, Clincal, Ag, FL Schann Liechtenstein | Lot XL0690, REF # 601989AN Expiry date—2021-09-04 | NA |
Surface Roughness Tester | Profilometer | Samples were measured by Vertical Scan Interferometry using 5 × Michelson magnification lens with a field of view of 1.5 × 1.5 mm, Gaussian Regression Filter, a scan speed of 1 × and thresholding of 4 | Contour GT-K 3D Optical Microscope (Bruker®), 3D non-contact surface metrology with interferometry | NHT-6 | NA |
Spectrophotometer | VITA Easyshade® III | Device used to measure wavelength transmitted from one object at a time, without being affected by subjective interferences of color | VITA Zahnfabrik H. Rauter GmbH & Co. KG, Bad Sackingen, Germany | 10180 | NA |
Instant Arabic Qahwa | Baja | Arabic coffee, Cardamom, Cloves, Nondaily Coffee Creamer, Saffron | Baja Food Industrial Co., Saudi Arabia | 6281105 795440 Product Date 16/Jan/20120 Expired Date 16/10/2020 | NA |
Frappuccino cold coffee drink | Starbucks | Semi skimmed milk, Starbucks arabica coffee (water, coffee extract), sugar, natural coffee flavoring, acidity regulator (potassium carbonates), high caffeine content 40Â mg/ 100Â ml | Arla foods amba dk/8260 viby j. Denmark | 5711953024290 Product Date 16/10/2019 Expired on 16/5/2020 | NA |
Scanning electron microscope | JEOL® JSM-6610 LV Scanning electron microscope | Samples were gold sputter coated with Quorum® Q-150R and after were loaded in the sample stage using 20 kv and 100×, 250× and 500 | Akishima, Tokyo, Japan | NA | NA |