• Endodontic irrigation and it’s protocol ……
Ministry of Higher Education and Scientific Research 
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University of Baghdad 
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University of Mosul 
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Tikrit University 
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Al-Karkh University Of Science 
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Basrah University for Oil and Gas 
University of Al-hamdaniya 
Northern Technical University 
Ibn Sina University 
The Great Emam University College 
University Of Sumer 
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