Affiliation: | 1. Department of Stomatology, Shengli Oilfield Central Hospital, Dongying, China Contribution: Conceptualization, Data curation, Investigation, Methodology, Writing - original draft, Writing - review & editing;2. Department of Stomatology, Shengli Oilfield Central Hospital, Dongying, China Contribution: Data curation, Investigation;3. Department of Stomatology, Shengli Oilfield Central Hospital, Dongying, China Contribution: Data curation, Formal analysis, Visualization;4. Department of Stomatology, Shengli Oilfield Central Hospital, Dongying, China Contribution: Data curation, Formal analysis;5. Department of Obstetrics and Gynecology, Shengli Oilfield Central Hospital, Dongying, China |