Al-Dafaai, R., Diab, B. and Abd Al- Ghani, H. A. A.- G. (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), pp. 144-48. doi: 10.12816/0033226.