Hamed Zandian*

Assistant Prof., Social Determinants of Health Research Center, Ardabil University of Medical Sciences, Ardabil, Iran. [email protected]

[ 1 ] - The Effect of Working-based Individual Protective Behaviors (WIPB) on COVID-19 Mortality in North-West of Iran: A Case-Control Study

Background: Given the global emergency for COVID-19 infections, only Working-based Individual Protective Behaviors (WIPB) such as health behaviors are emphasized as the most important obstacle in spreading the disease. This study aimed to determine the effect of WIPB on COVID-19 mortality. Materials and Methods: This case-control study was conducted on 3088 people (case=1955, control=1133) of ...

[ 2 ] - Comparison of Antibacterial Activity of Self-adhesive Flowable Composite, Microhybrid Flowable Composite and Self-curing Glass Ionomer Against Streptococcus Mutans: An In Vitro Study

Background and purpose: Antibacterial properties of restorative materials are of great advantage as they control the progression of tooth decay. The use of self-adhesive composite materials has some benefits such as easier application and reduced treatment time. Because the antibacterial properties of restorative materials can play an important role in preventing secondary decay, especially in ...