Al-Dafaai, Raya Rashid, Ban Sahib Diab, and Huda Abd Al- Ghani Jameel Abd Al- Ghani. 2016. “Personality Types in Relation to the Periodontal Health Status and Salivary Dehydroepiandrosterone Among Teachers in Baghdad City”. Journal of Baghdad College of Dentistry 28 (4): 144-48. https://doi.org/10.12816/0033226.