20 November 2023: Laboratory Research
Evaluation of the Effects of Digital Manufacturing, Preparation Taper, Cement Type, and Aging on the Color Stability of Anterior Provisional Crowns Using Colorimetry
Mohammed E. Sayed 1ABDEG* , Honey Lunkad 1ABCEF , Khurshid Mattoo 1ACDEF , Hossam F. Jokhadar 2ACEFG , Saad Saleh AlResayes 3ACEFG , Nasser M. Alqahtani 4ACEFG , Abdullah Hasan Alshehri 4ACEFG , Mohammad Alamri 5ACEFG , Sultan Altowairqi 6BCEF , Muhannad Muaddi 6BCEF , Halah Mohammed Huthan 6BCEF , Safeyah Abdulrahman Baeshen 6BCEF , Khalid Motlaq 7ACEFG , Amal M. Masmali 8ACEFGDOI: 10.12659/MSMBR.941919
Med Sci Monit Basic Res 2023; 29:e941919
Table 1 List of materials, instrumentation, and manufacturers.
| S. No | Materials/instruments | Manufacturer | Model/lot number |
|---|---|---|---|
| 1. | Maxillary Typodont Base with teeth | Practicon, Greenville, NC, USA | No: 4071922 |
| 2. | Bench Top Scanner | 3Shape A/S Holmens Kanal 7 1060 Copenhagen, Denmark | E4 series |
| 3. | 3D Printing Machine | Asiga Pty Ltd. Alexandria, Australia | Serial: 70B3D5362C6AModel: PN01233 |
| 4. | 3D Printed resins for die | Asiga Dentamodel, Alexandria, Australia | MO/16020 |
| 5. | 3D Printed resins for crowns | Asiga Dentatooth, Alexandria, Australia | MO/15668 |
| 6. | Five Axis milling machine | DGSHAPE/Roland DGA, Irvine, CA, USA | DWX---52D |
| 7. | PMMA disc for milled crowns | Whitepeaks Dental Solutions GmbH Wesel, Germany | P10690 |
| 8. | Temp Bond (Clear) NE | KerrHawe SA, Bioggio, Switzerland | 8,224,958 |
| 9. | Temp Bond (Regular) NE | KerrHawe SA, Bioggio, Switzerland | 8,205,180 |
| 10. | Colorimeter | Hangzhou CHNSpec Technology Co Ltd., Hangzhou, China | CHN Spec./CS---10 |
| 11. | Polyvinylsiloxane | Lab-Putty, Cotene/Whaledent AG, Switzerland | Lot No – M297580 |
| 3D – 3-dimensional; PMMA – polymethyl methacrylate; NE – non-eugenol. | |||