NCT07521501|Not Yet RecruitingDMC
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Sponsor study identifier
interventional
20
0 countries
N/A
Study Start
June 1, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
July 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
July 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
The aim of the present study is to evaluate clinical behavior and patient satisfaction of Zirconia-reinforced lithium disilicate press ceramic crowns when used in a conservative marginal design(0.6mm chamfer finish line). Comparison with Ultratranslucent multilayered monolithic zirconiacrowns will also be carried out in terms of marginal integrity, fracture, color stability and gingival health for 12 month
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
July 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
March 5, 2026
Actual (reported)April 13, 2026
Actual (reported)June 1, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
July 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
July 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
clinical behavior
Marginal integrity: Measuring device: Modified USPHS criteria. Measuring unit: Discrete (scores).
12 months follow-up interval
Fracture:
Description: Measuring device: Modified USPHS criteria Measuring unit: Discrete (scores).
Time Frame: 12 months follow-up interval.
Color stability:
Description: Measuring device: Spectrophotometer Measuring unit: ΔE.
Time Frame: 12 months follow-up interval
Gingival health:
Measuring device: Gingival index \& Bleeding on probing (BOP) Measuring unit: (scores).
12 months follow-up interval
patient satisfaction by Visual analogue Scale (VAS)
12 months follow-up interval
Patients will receive ultra-translucent multilayered monolithic zirconia crowns ( KATANA UTML) fabricated using CAD/CAM with conservative marginal design (0.6 mm).
Patients will receive zirconia-reinforced lithium silicate press ceramic crowns ( VITA Ambria) with conservative marginal design (0.6 mm).
Monolithic zirconia (KATANA UTML) crown fabricated with CAD/CAM and a conservative 0.6 mm marginal design.
Zirconia-reinforced lithium silicate press ceramic (Ambria) crown with conservative 0.6 mm marginal design.
First Submitted
March 5, 2026
First Posted
April 13, 2026
Study Start
June 1, 2026
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Primary Completion
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
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July 1, 2027
Planned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
July 1, 2027
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
April 13, 2026
Record last verified: 2025-09
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Source: ClinicalTrials.gov.
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