1. Kushnir D, Zusman SP, Robinson PG. Validation of a Hebrew version of the oral health impact profile 14. J Public Health Dent. 2004; 64(2):71–75.
2. Hong NP, Nam YY. All kinds of learning of oral cavity. Paju: Kidaribook;2000.
3. Warren KR, Postolache TT, Groer ME, Pinjari O, Kelly DL, Reynolds MA. Role of chronic stress and depression in periodontal diseases. Periodontol 2000. 2014; 64(1):127–138. DOI:
10.1111/prd.12036.
4. Silk H, Douglass AB, Douglass JM, Silk L. Oral health during pregnancy. Am Fam Physician. 2008; 77(8):1139–1144.
6. Ha JE, Yeo BM, Roh HY, Paik DI, Bae KH. Periodontal condition and pathogens distribution of pregnant women. J Korean Acad Oral Health. 2010; 34(4):587–594.
7. Giannella L, Giulini S, Cerami LB, La Marca A, Forabosco A, Volpe A. Periodontal disease and nitric oxide levels in low risk women with preterm labor. Eur J Obstet Gynecol Reprod Biol. 2011; 158(1):47–51. DOI:
10.1016/j.ejogrb.2011.04.034.
8. Vogt M, Sallum AW, Cecatti JG, Morais SS. Factors associated with the prevalence of periodontal disease in low-risk pregnant women. Reprod Health. 2012; 9:3. DOI:
10.1186/1742-4755-9-3.
9. Vogt M, Sallum AW, Cecatti JG, Morais SS. Periodontal disease and some adverse perinatal outcomes in a cohort of low risk pregnant women. Reprod Health. 2010; 7:29. DOI:
10.1186/1742-4755-7-29.
10. Piscoya MD, Ximenes RA, Silva GM, Jamelli SR, Coutinho SB. Periodontitis-associated risk factors in pregnant women. Clinics (Sao Paulo). 2012; 67(1):27–33. DOI:
10.6061/clinics/2012(01)05.
11. Martinez-Beneyto Y, Vera-Delgado MV, Perez L, Maurandi A. Self-reported oral health and hygiene habits, dental decay, and periodontal condition among pregnant European women. Int J Gynaecol Obstet. 2011; 114(1):18–22. DOI:
10.1016/j.ijgo.2011.03.003.
12. Geisinger ML, Robinson M, Kaur M, Gerlach RW, Griffin R, Geurs NC, et al. Individualized oral health education improves oral hygiene compliance and clinical outcomes in pregnant women with gingivitis. J Oral Hyg Health. 2013; 1(2):1000111. DOI:
10.4172/2332-0702.1000111.
14. Saletu A, Pirker-Frühauf H, Saletu F, Linzmayer L, Anderer P, Matejka M. Controlled clinical and psychometric studies on the relation between periodontitis and depressive mood. J Clin Periodontol. 2005; 32(12):1219–1225. DOI:
10.1111/j.1600-051X.2005.00855.x.
15. Rosania AE, Low KG, McCormick CM, Rosania DA. Stress, depression, cortisol, and periodontal disease. J Periodontol. 2009; 80(2):260–266. DOI:
10.1902/jop.2009.080334.
16. Cohen J. Statistical power analysis for the behavioral sciences. 2nd ed. Hillsdale, NJ: Lawrence Erlbaum Associates;1988. p. 1–400.
17. Kloetzel MK, Huebner CE, Milgrom P. Referrals for dental care during pregnancy. J Midwifery Womens Health. 2011; 56(2):110–117. DOI:
10.1111/j.1542-2011.2010.00022.x.
19. Moynihan PJ. Dietary advice in dental practice. Br Dent J. 2002; 193(10):563–568. DOI:
10.1038/sj.bdj.4801628.
20. Radloff LS. The CES-D scale: A self-report depression scale for research in the general population. Appl Psychol Meas. 1977; 1(3):385–401. DOI:
10.1177/014662167700100306.
21. Chon KK, Rhee MK. Preliminary development of Korean version of CES-D. Korean J Clin Psychol. 1992; 11(1):65–76.
22. Ahn HL. A pilot study of stressor and stress situation and nursing intervention of pregnant woman. J Nurs Acad Soc. 1983; 13(3):75–85.
23. Cohen S, Kamarck T, Mermelstein R. A global measures of perceived stress. J Health Soc Behav. 1983; 24(4):385–396.
24. Lee J, Shin C, Ko YH, Lim JH, Joe SH, Hyun KS, et al. The reliability and validity studies of the Korean version of the perceived stress scale. Korean J Psychosom Med. 2012; 20(2):127–134.
25. Kim BO, Shim HS, Lee CS, Chung SH, Han YK, Cho MS, et al. Periodontology. Seoul: DaehanNarae Publishing, Inc.;2003.
26. World Health Organization. Oral health surveys: Basic methods. 4th ed. Geneva, CH: Author;1997. p. 1–66.
27. Xiong X, Elkind-Hirsch KE, Vastardis S, Delarosa RL, Pridjian G, Buekens P. Periodontal disease is associated with gestational diabetes mellitus: A case-control study. J Periodontol. 2009; 80(11):1742–1749. DOI:
10.1902/jop.2009.090250.
28. Park YN, Shim CS. A study on the awareness and practice of the pregnant women about oral health care. J Korean Acad Dent Hyg Educ. 2008; 8(3):53–64.
29. Li D, Liu L, Odouli R. Presence of depressive symptoms during early pregnancy and the risk of preterm delivery: A prospective cohort study. Hum Reprod. 2009; 24(1):146–153. DOI:
10.1093/humrep/den342.
30. Giurgescu C, Misra DP, Sealy-Jefferson S, Caldwell CH, Templin TN, Slaughter-Acey JC, et al. The impact of neighborhood quality, perceived stress, and social support on depressive symptoms during pregnancy in African American women. Soc Sci Med. 2015; 130:172–180. DOI:
10.1016/j.socscimed.2015.02.006.
31. Lee EJ, Park JS. Status of antepartum depression and its influencing factors in pregnant women. J Korea Acad Ind Coop Soc. 2013; 14(8):3897–3906. DOI:
10.5762/KAIS.2013.14.8.3897.