1. Messier MD, Emde K, Stern L, Radhakrishnan J, Vernocchi L, Cheng B, et al. Radiographic periodontal bone loss in chronic kidney disease. J Periodontol. 2012;83:602-11.
2. Vijay G, Raghavan V. Radiology in periodontics. J Indian Acad Oral Med Radiol. 2013;25:24-29.
3. Salman A, Sabahat KA, Vikas D, Satish G. Radiology In periodontal disease diagnosis. IJOMHS. 2014;01:2-9.
4. Lee JS, Kang BC. Screening panoramic radiographs in a group of patients visiting a health promotion center. Korean J Oral Maxillofac Radiol. 2005;35:199–202.
5. Semenoff L, Semenoff TA, Pedro FL, Volpato ER, Machado MA,Borges AH, Semenoff-Segundo A. Are panoramic radiographs reliable to diagnose mild alveolar bone resorption? ISRN Dent. 2011;2011: 363578.
6. Osborne GE, Hemmings KW. A survey of disease changes observed on dental panoramic tomographs taken of patients attending a periodontology. Clinic. Br Dent J. 1992;173:166-8.
7. Lennon MA, Davies RM: Prevalence and distribution of alveolar bone loss in a population of 15-year-old school children. J Clin Periodontol. 1974;1:175-82,.
8. Albandar JM, Baghdady VS, Ghose LJ. Periodontal disease progression in teenagers with no preventive dental care provisions. J Clin Periodontol. 1991;18: 300-4.
9. Hansen BF, Gjermo R Bergwitz-Larsen KR. Periodontal bone loss in 15-year-old Norwegians. J Clin Periodontol. 1984;11:125-31.
10. Hansen BF, Gjermo P, Bellini HT, Ihanamaki K, Saxén L: Prevalence of radiographic alveolar bone loss in young adults, a multinational study. Int Dent J. 1995;45:54-61.
11. Ivanauskaite D, Lindh C, Rangne K, Rohlin M. Comparison between ScanoraŅ panoramic radiography and bitewing radiography in the assessment of marginal bone tissue. Stomatologija. Baltic Dent Maxillofac J. 2006;8:9-15.
12. Wiebe CB, Putnins EE: The periodontal disease classification system of the American Academy of Periodontology–an update. J Can Dent Assoc.
2000;66:594-7
13. Albandar JM, Tinoco EMB. Global epidemiology of periodontal disease in children and younge persons. Periodontol 2000. 2002;29:153-76.
14. Chiles JL, Gores RJ. Anatomic interpretation of the orthopantomogram. Oral Surg Oral Med Oral Pathol. 1973;35:564-74.
15. Lindhe J, Lang NP, Karring T. Clinical periodontology and implant dentistry, 5th edition. UK: Wiley-Blackwell; 2008.
16. Cortelli JR, Cortelli SC, Jordan S, Haraszthy VI,
Zambon JJ. Prevalence of periodontal pathogens in Brazilians with aggressive or chronic periodontitis. J Clin Periodontol. 2005; 32:860-6.
17. van der Velden U, Abbas F, van Steenbergen TJM, De Zoete OJ, Hesse M, De Ruyter, et al. Prevalence of periodontal breakdown in adolescents and presence of Actinobacillus actinomycetemcomitans in subjects with attachment loss. J Periodontol. 1989; 60:604-10.
18. Høsrmand J, Frandsen A. Juvenile periodontitis localization of bone loss in relation to age, sex, and teeth. J Clin Periodontol. 1979;6:407-16.
19. Susin C, Albandar JM. Aggressive periodontitis in an urban population in southern Brazil. J periodontol. 2005;76:468-75.
20. Albandar JM, Muranga MB, Rams TE. Prevalence of aggressive periodontitis in school attendees in Uganda. J Clin Periodontol. 2002;29:823-31.