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Patient Satisfaction and Clinical Performance of Ultra-translucent Multi-layer Monolithic Zirconia and Lithium Disilicate Ceramic Laminate Veneers. Randomized Control Clinical Trial

RecruitingNAAges 18 Years - 50 YearsAllCairo University
NCT07113873 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Despite of the improved esthetics of ultra-translucent zirconia, bonding between resin cement and zirconia is difficult to achieve because of their chemical inertness and lack of silica content. However, the effect of the bond strength with the new generation of high-translucent zirconia materials is not clear and further studies are needed. Kongkiatkamon, Suchada et al., (2023) The long-term bond strength of cubic zirconia was similar to 3Y-TZP zirconia and lithium disilicate ceramics and showed sufficient bond strength. A 5-mol% yttria-stabilized tetragonal Zr polycrystal showed high shear bond strength similar to Li disilicate glass-ceramic. Air blasting of Zr followed by primers and resin cements based on 10-MDP monomer has proven its efficiency in Zr-resin bonding. Both ultra-translucent 5Y-PSZ Zr and Li disilicate offer viable options for esthetic restorations on anterior teeth Ada

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📋 Eligibility rules (as published)
Inclusion Criteria: 1- Age between 18 and 50 years. 2. Absence of abnormal functional habits such as bruxism. 3. Good condition of gingival and periodontal tissues. 4. Good oral health. 5. A clear indication for patients for treatment with ceramic laminate veneers: Presence of diastema, moderate discolored dental restorations, slight modification of color in the discolored teeth, and modification of shape and sizes of the teeth. 6\. Patient commitment for attending follow up session Exclusion Criteria: 1. Age under 18 years 2. Bad oral hygiene 3. Dysfunctional habits and bruxism 4. Periodontal diseases 5. High risk of caries 6. Inadequate enamel for bonding 7. Extreme staining and color change in tooth -
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What it tests

  • ultra-translucent monolithic multi layered zirconia
  • lithium disilcate ceramics
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Where

1 site
Cairo University
Cairo, Egypt
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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