The Periodontal Disease Index (PDI).
Ramfjord SP.
J Periodontol. 1967 Nov-Dec;38(6):Suppl:602-10. doi: 10.1902/jop.1967.38.6.602.
Association of Relationship between Periodontal Disease and Cardiovascular Disease.
Johar N, Dhodapkar SV, Kumar R, Verma T, Jajoo A.
Mymensingh Med J. 2017 Apr;26(2):439-447.
Maternal Periodontal Disease: A Possible Risk Factor for Adverse Pregnancy Outcomes in the Qassim Region of Saudi Arabia.
Alrumayh A, Alfuhaid F, Sayed AJ, Tareen SUK, Alrumayh I, Habibullah MA.
J Pharm Bioallied Sci. 2021 Nov;13(Suppl 2):S1723-S1727. doi: 10.4103/jpbs.JPBS_838_20. Epub 2021 Nov 10.
Comparative Assessment of Periodontal Status in Subjects with and without Polycystic Ovary Syndrome and its Correlation with Body Mass Index: A Cross-Sectional Study.
Mariam S, Mali A, Khan S, Agrawal N, Gupta J, Khalique N.
Indian J Community Med. 2023 Sep-Oct;48(5):798-801. doi: 10.4103/ijcm.ijcm_1012_22. Epub 2023 Sep 7.
Association between the quality of plant-based diets and periodontitis in the U.S. general population.
Li A, Qiu B, Goettsch M, Chen Y, Ge S, Xu S, Tjakkes GE.
J Clin Periodontol. 2023 May;50(5):591-603. doi: 10.1111/jcpe.13785. Epub 2023 Feb 13.
Survey of periodontal disease among workers in Tianjin using Ramfjord's Periodontal Disease Index (PDI).
Wang WJ, Liu CY, Liu DZ, Lee CJ.
Community Dent Oral Epidemiol. 1987 Apr;15(2):98-9. doi: 10.1111/j.1600-0528.1987.tb00491.x.
Interaction between periodontal disease and systemic secondary amyloidosis: from inflammation to amyloidosis.
Cengiz Mİ, Yayla N, Cengiz K, Bagci H, Taşkın E.
J Periodontol. 2011 Apr;82(4):566-74. doi: 10.1902/jop.2010.100439. Epub 2010 Nov 2.
Progression of periodontal disease in HIV seropositive patients.
Yeung SC, Stewart GJ, Cooper DA, Sindhusake D.
J Periodontol. 1993 Jul;64(7):651-7. doi: 10.1902/jop.1993.64.7.651.
The extent and severity index: a simple method for use in epidemiologic studies of periodontal disease.
Carlos JP, Wolfe MD, Kingman A.
J Clin Periodontol. 1986 May;13(5):500-5. doi: 10.1111/j.1600-051x.1986.tb01497.x.
Relationship between overweight-obesity and periodontal disease in Mexico.
Zermeño-Ibarra JA, Delgado-Pastrana S, Patiño-Marín N, Loyola-Rodríguez JP.
Acta Odontol Latinoam. 2010;23(3):204-9.
