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Fig. 3 | Stem Cell Research & Therapy

Fig. 3

From: Enhancement of periodontal tissue regeneration by conditioned media from gingiva-derived or periodontal ligament-derived mesenchymal stem cells: a comparative study in rats

Fig. 3

Higher magnification images of new periodontal tissue formation observed by hematoxylin-eosin staining. Representative images (400×) of new periodontal tissue formation at 1, 2, and 4 weeks. NB, new alveolar bone; D, mandibular first molar tooth; NF, new fiber; C, new cementum; PDL, new periodontal ligament

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