Research Article
Application of Implantable Polylactic-Co-Glycolic Acid Microcapsule in Repairing Alveolar Bone Defects
Figure 4
The morphology of ET-PLGA microcapsules. (a) Freeze-dried powder of ET-PLGA microcapsules; (b) the morphology of ET-PLGA microcapsules under an upright microscope; and (c) the morphology of ET-PLGA microcapsules under a scanning electron microscope.