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Impact of Khat Chewing on Color Stability and Patient Satisfaction of Multilayer Zirconia and Feldspathic Veneer Zirconia.

NCT07786272 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2026-08-25

No results posted yet for this study

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.

Conditions

  • Color Stability of Dental Ceramics
  • Zirconia Restorations
  • Khat Chewing Effects
  • Dental Restoration Staining

Interventions

DEVICE

Multilayer Zirconia Crowns

Multilayered zirconia restorations placed in one arch.

DEVICE

Feldspathic Veneered Zirconia Crowns

Feldspathic veneered zirconia Restorations Placed in the opposing arch.

Sponsors & Collaborators

  • Thamar University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-01-01
Primary Completion
2027-02-01
Completion
2027-03-12

Countries

  • Yemen

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07786272 on ClinicalTrials.gov