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Progress in Orthodontics
Fig. 4 | Progress in Orthodontics

Fig. 4

From: Effects of 405-, 532-, 650-, and 940-nm wavelengths of low-level laser therapies on orthodontic tooth movement in rats

Fig. 4

Demonstration of the PDL distance measurements at × 4 magnification by Masson trichrome staining. The pressure and tension regions of the cervical half of the mesial root where TRAP and ALP immunoreactivity density measurements were made are also shown. The area where the bone area measurement is performed is shown by dashed lines. Ab, alveolar bone; D, dentin; C, cementum

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