Gingival retraction is most advance technology to retract gum to visualize maximum tooth structure at neck of tooth without violating gingival structure.
It is highly recommended where clinician notice Wearing of tooth structure below neck of tooth/Root Caries for Composite restoration & most importantly in cases of Ceramic crowns which require fit just below gum margin which gives blending of Ceramic crowns that promote excellent natural appearance.
This procedure is performed through Dental Microscope with help of specially designed Gingival Cord packer instrument on Gingival cord which is made though natural coconut fibers that do not damage gums while inserting inside this structure.
Hope this video has help for general information of Importance of Gum Retraction.Stay tune for next interesting case with new updates.