Clinical trials: Gingival Retraction Techniques
Gingival Retraction Techniques
Comparison of Two Gingival Displacement Procedures
Purpose: To compare the quality of impressions made with a cordless gingival displacement procedure versus impressions made with a corded technique.
- Trial name
- NCT02716727
- Testing
- Aquasil Ultra Cordless, Dentsply, Ultrapak, Ultradent cord
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Data Accuracy, Bleeding Control
Gingival Retraction for Digital Scan Data
The study aims to identify which retraction method offers optimal balance between tissue displacement, scan clarity, and patient comfort, particularly in the esthetic zone, while avoiding the use of CBCT.
- Trial name
- NCT07119281
- Testing
- Group A: Cordless paste with astringent (EXP): Expasyl (Acteon PVT LTD), Group B: Cordless paste without astringent (MF): Magic FoamCord (Coltene Whaledent AG), Group C: Laser troughing (LT): Diode laser (iLase; Biolase Inc.)
- Where
- 3 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Gingival Retraction
Subgingival Clamp Versus Retraction Cord in Cervical Lesions in Term of Technique Sensitivity and Gingival Health
assessing subgingival clamp in handling and retracting the gingival tissue at the cervical area to see its effect on the gingival health and its technique sensitivity compared to the most commonly used method (retraction cord)…
- Trial name
- NCT03917108
- Testing
- retraction cord, subgingival clamp
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Gingival Displacement
Evaluation of Gingival Displacement Methods
This clinical study is being conducted to compare four different methods used to temporarily push the gums away from the teeth during dental procedures.
- Trial name
- NCT07122297
- Testing
- Retraction cord, Retraction paste in capsule form, Retraction paste in injector form
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Gingival Recession, Localized
Assessment of Gingival Health Following Rubber-Dam Isolation
The aim of this study is to evaluate the effect of retraction techniques on gingival health. Four different method (212 clamp (Hu-Friedy, USA); Brinker B4 clamp (Coltene Hygenic, USA); dental floss using the simple knot tie…
- Trial name
- NCT05850065
- Testing
- Hu-Friedy 212 clamp, dental floss using the simple knot tie method, Coltene B4 clamp
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Marmara University