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. 2026 Feb 16;34:e20250699. doi: 10.1590/1678-7765-2025-0699

Figure 1. Histologic evaluation of alveolar bone loss and gingival epithelium thickness (H&E, x10).

Figure 1

A) C group. Normal CEJ-BC distance and gingival epithelial thickness; B) P group. Marked CEJ-BC distance and thin epithelial thickness; C) T group. Mild CEJ-BC distance and normal-to-increased epithelial thickness; D) B group. Moderate CEJ-BC distance and mild epithelial thickness; E) M group. Mild/moderate CEJ-BC distance and moderate epithelial thickness. RT: Root of Tooth, BC: Bone Crest, PL: Periodontal ligament, → (Cement-Enamel Junction), □ (Thickness of Gingival Epithelium).