20210206234500.0 Journal of oral and dental research. Journal of oral and dental research (Baghdad) 2310-6417 2310-6417 2310-6417 http://www.iaor.net/jor/index.htm 2310-6417 https://odrj.iraqjournals.com/ Journal of oral and dental research (Baghdad) 2310-6417 Journal of oral and dental research.