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Impact of Khat Chewing on Color Stability and Patient Satisfaction of Multilayer Zirconia and Feldspathic Veneer Zirconia.
Sponsor: Thamar University
Summary
This study aims to evaluate and compare the impact of khat chewing on the color stability and patient satisfaction of multilayer zirconia and feldspathic veneered zirconia restorations. A split-mouth clinical trial design is utilized to assess color changes using a spectrophotometer and patient satisfaction via a structured questionnaire over the follow-up period.
Official title: Impact of Khat Chewing on Color Stability and Patient Satisfaction of Multilayer Zirconia and Feldspathic Veneer Zirconia: A Split-Mouth Clinical Trial.
Key Details
Gender
All
Age Range
18 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
10
Start Date
2026-01-01
Completion Date
2027-03-12
Last Updated
2026-08-25
Healthy Volunteers
Yes
Conditions
Interventions
Multilayer Zirconia Crowns
Multilayered zirconia restorations placed in one arch.
Feldspathic Veneered Zirconia Crowns
Feldspathic veneered zirconia Restorations Placed in the opposing arch.
Locations (1)
Thamar University , Faculty of Dentistry
Dhamar, Yemen