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Egyptian Dental Journal
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Volume Volume 67 (2021)
Volume Volume 66 (2020)
Issue Issue 4 - October (Orthodontics, Pediatric & Preventive Dentistry)
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Issue Issue 3 - July (Orthodontics, Pediatric & Preventive Dentistry)
Issue Issue 3 - ِJuly (Oral Surgery)
Issue Issue 3 - July (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
Issue Issue 3 - July (Fixed Prosthodontics, Removable Prosthodontics and Dental Materials)
Issue Issue 3 - July (Conservative Dentistry and Endodontics)
Issue Issue 2 - April (Orthodontics, Pediatric & Preventive Dentistry)
Issue Issue 2 - April (Oral Surgery)
Issue Issue 2 - April (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
Issue Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)
Issue Issue 1 - January (Orthodontics, Pediatric & Preventive Dentistry)
Issue Issue 1 - January (Oral Surgery)
Issue Issue 1 - January (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
Issue Issue 1 - January (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)
Volume Volume 65 (2019)
Volume Volume 64 (2018)
Volume Volume 63 (2017)
Volume Volume 62 (2016)
Farghaly, E., Rayyan, M., Aboushelib, M. (2020). Color match of modified high translucency zirconia frameworks. Egyptian Dental Journal, 66(Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)), 1311-1315. doi: 10.21608/edj.2020.26512.1086
Ehab A. Farghaly; Mohammad M. Rayyan; Moustafa N. Aboushelib. "Color match of modified high translucency zirconia frameworks". Egyptian Dental Journal, 66, Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), 2020, 1311-1315. doi: 10.21608/edj.2020.26512.1086
Farghaly, E., Rayyan, M., Aboushelib, M. (2020). 'Color match of modified high translucency zirconia frameworks', Egyptian Dental Journal, 66(Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)), pp. 1311-1315. doi: 10.21608/edj.2020.26512.1086
Farghaly, E., Rayyan, M., Aboushelib, M. Color match of modified high translucency zirconia frameworks. Egyptian Dental Journal, 2020; 66(Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)): 1311-1315. doi: 10.21608/edj.2020.26512.1086

Color match of modified high translucency zirconia frameworks

Article 19, Volume 66, Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), April 2020, Page 1311-1315  XML PDF (444.74 K)
Document Type: Original Article
DOI: 10.21608/edj.2020.26512.1086
Authors
Ehab A. Farghaly email 1; Mohammad M. Rayyanorcid 2; Moustafa N. Aboushelib3
1Prosthodontics Department, Faculty of Dentistry Beirut Arab University, Beirut, Lebanon
2Prosthodontics Department, Faculty of Dentistry, Beirut Arab University, Beirut , Lebanon
3Dental Biomaterials department, Faculty of dentistry, Alexandria University, Egypt
Abstract
Purpose: improve color match of full anatomical high translucency zirconia restorations using framework modifications. Materials and methods: Full anatomical high translucency zirconia frameworks (Cercon HT) received three modifications in framework design to allow room for layering conventional porcelain material: buccal window, extended buccal window, and occlusal clearance. Conventional porcelain was manually built according to manufacturer instructions. Color match of each framework design was compared to target color (A2, Vita classic shade guide) using a dental spectrophotometer (Vita Easy shade Advance). Delta E equation was used to measure color match of each framework design. Amount of transmitted light passing through each design was used to calculate translucency coefficient. Results: all framework modifications improved color match (∆E<3.2) compared to unmodified full anatomical design (∆E=5.7), however this improvement in color match was only limited to the area of framework modifications. Translucency of modified frameworks improved by addition of veneering porcelain (67%) compared to translucency of full anatomical framework (58%). Conclusion: Color match and translucency of full anatomical high translucency zirconia restorations improved using framework modifications.
Keywords
High translucency; zirconia; framework; color match; spectrophotometer
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