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Progress in Orthodontics
Fig. 4 | Progress in Orthodontics

Fig. 4

From: Angiotensin(1-7) attenuates tooth movement and regulates alveolar bone response during orthodontic force application in experimental animal model

Fig. 4

Picro-Sirius red staining and collagen fibers analysis. A Representative microphotography of right maxilla from each group at different timepoints (5 days and 14 days) following orthodontic force application. Picro-Sirius red stains the mature type I collagen fibers with red color (Col-I), whereas the immature type III collagen fibers are green stained (Col-III). B Semi-quantification of Col-I and Col-III fiber area in all groups at different timepoints. Quantitative results are expressed as Mean ± SD (n = 6). Significant difference between groups is represented as (*P < 0.05, **P < 0.01, and ***P < 0.001). Significant difference between pressure and tension sites is represented as (#P < 0.05, # #P < 0.01, and # # #P < 0.001). Significant difference between timepoints within the same site and group is represented as similar lowercase letters (one letter indicates P < 0.05, two letters indicate P < 0.01, and three letters indicate P < 0.001)

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