Keratinized Gingiva Determines a Homeostatic Behavior of Gingival Sulcus through Transudation of Gingival Crevice Fluid
Figure 3
(a) Positioning of paper strip overlying the tooth, gingiva, and alveolar mucosa for obtaining GCF at P1A (alveolar mucosa) and P1B (gingival margin); (b) positioning of paper strip at gingival margin without penetrating gingival sulcus-P2; (c) positioning of paper strip into gingival sulcus-P3.
