“…Major risk factors associated with periodontitis include age, gender, oral hygiene, smoking status, ethnicity, lower socioeconomic status, and systemic diseases ( Nazir, 2017 , Madi et al, 2021 ). The relationships between PD and smoking, cardiovascular disease, diabetes mellitus, and adverse pregnancy outcomes have been reported extensively in the literature ( Albandar, 2002a , Albandar, 2002b , Nazir, 2017 ).…”