Fig. 2

Morphological changes in periodontal tissue detected by HE staining. The treatment of rats with occlusal hypofunction was conducted over a period of 2, 3, and 4 weeks, utilizing a combination of orthodontic and individual intervention techniques (scale bar = 10 μm). Hypo indicates occlusal hypofunction; Force indicates applied orthodontic force; IV indicates individual occlusal force intervention; PDL indicates Periodontal Ligament; AB indicates Alveolar Bone; D indicates Dentin.