Clinical Trial

Efficacy of Three Gingival Displacement Methods

Enrolling by Invitation
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Record status
This record was last updated December 15, 2025 (before its estimated June 30, 2026 completion). Its status may not reflect the trial's current state.
Summary
The goal of this clinical trial is to find the best gingival displacement method for taking impressions of artificial full crowns with subgingival margins. The main question it aims to answer is: Which of the three common gingival displacement methods works best? Researchers will compare three methods: gingival retraction cord, gingival retraction paste, and gingival retraction cord + hemostatic gel, to see which is optimal. Participants will: Receive one of the three gingival displacement treatments during impression taking. Fill out a VAS form to rate their pain.
Trial Details
NCT Number NCT07282977
Lead Sponsor Henan Provincial People's Hospital
Conditions Tooth Defect, Teeth Restoration
Enrollment 39 participants
Start Date 2025-12
Primary Completion 2026-06-30 (estimated)
Study Completion 2026-06-30 (estimated)
Updated on ClinicalTrials.gov 2025-12-15