Which technique is deemed more effective for displacement during impression making?

Braided cord is often considered the more effective technique for displacement during impression making due to its unique properties and the physical mechanism by which it operates. When using braided cord, the clinician can pack it into the gingival sulcus around the prepared tooth, providing a precise, controlled displacement of the gingiva. This helps in creating a clear and definitive impression of the tooth preparation without excess bleeding or trauma to the surrounding tissues.

The braided texture of the cord offers several advantages. It effectively displaces the gingival tissue without causing undue harm, which could lead to inaccuracies in the impression. Additionally, the cord can retain hemostatic agents that help control any bleeding, providing a better working environment during the impression-taking process. This results in a more accurate representation of the tooth structure and surrounding bone necessary for fabricating prosthetics.

Techniques such as using displacement paste or impression trays may assist in capturing impressions, but they do not provide the same level of precision in displacing gingival tissues as braided cord does. Surface tension reduction is also an important aspect of impression making, but it primarily addresses issues related to the material's flow and adaptation rather than optimizing the displacement of soft tissues. Thus, braided cord stands out as a preferred method in achieving accurate impressions due