Andayani, Lia Hapsari, et al. “Prevalence and Risk Factors of Periodontal Disease During Pregnancy In Indonesia: A Literature Review”. Interdental Jurnal Kedokteran Gigi (IJKG), vol. 22, no. 2, Aug. 2026, pp. 341-52, doi:10.46862/interdental.v22i2.14291.