What does gingival displacement primarily accomplish?

Gingival displacement primarily accomplishes the exposure of the preparation finish line. In dental procedures, particularly during tooth preparations for crowns or other restorations, it is essential to have clear visibility and access to the margins of the preparation. Displacing the gingiva allows the dentist to adequately prepare the tooth structure without interference from soft tissue. This exposure is critical to ensuring a precise fit of restorations, thereby promoting better outcomes in terms of durability and aesthetics.

Additionally, displacing the gingiva can aid in achieving a clean working area, free from saliva and blood, which can otherwise compromise the quality of the dental work. The other choices do not directly relate to the primary purpose of gingival displacement. For example, while reducing plaque accumulation may contribute to overall oral health, it is not a direct function of this specific technique, making it less relevant in this context. Similarly, strengthening enamel and enhancing tooth sensitivity are not goals achieved through gingival displacement.