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Progress in Orthodontics
Fig. 3 | Progress in Orthodontics

Fig. 3

From: Extracellular vesicles derived from M1 macrophages enhance rat midpalatal suture expansion by promoting initial bone turnover and inflammation

Fig. 3

Body weight statistics and analysis of model photos after arch expansion. A Occlusal view of the suture expander; B Intra-oral view of the suture expander; C Changes of body weight during expansion; *P < 0.05, significant decrease versus the control group; D Photos of rat palate model before and after suture expansion. The buccal inclination of the molars can be noted in all groups, with the E + M1 group manifested the most evident effect. C, control group; E, expansion-only group; E + M1, M1 sEVs-assisted expansion group; E + M2, M2 sEVs-assisted expansion group. Scale bar: 5 mm

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