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. 2017 Feb 11;12(1):83–90. doi: 10.1016/j.jds.2016.12.001

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© 2017 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Effects of the injection technology on the histology of the control group. (A) Observation of the temporomandibular joint (TMJ) disc after removal of the surrounding connective tissues showed the blue disc which was stained by alcian blue. (B) Sagittal view of the TMJ divided into three parts: glenoid fossa, the TMJ disc, and the TMJ condyle. Scale bar: 200 μm. (C) Enlarged view of the TMJ disc showed clear fibrocartilage cells (black arrow). Scale bar: 25 μm. (D) Enlarged view of the TMJ condyle subchondral bone separated into articular, proliferative, transition, and hypertrophic zones. Scale bar: 25 μm.