Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 48, Issue 9, Pages 1189-1199Publisher
WILEY
DOI: 10.1111/jcpe.13507
Keywords
bone loss; classification; HUNT; HUNT4; periodontal diseases; periodontitis; prevalence
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Funding
- Center for Oral Health Services and Research, Mid-Norway (TkMidt), Trondheim, Norway
- Faculty of Dentistry, University of Oslo, Norway
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This cross-sectional study in a large Norwegian population found that the prevalence of periodontitis increased with age, particularly after 60 years old. Severe forms of periodontitis were more common in the older age group.
Aim This cross-sectional study assesses the prevalence of periodontitis in a large Norwegian population, based on the 2017 World Workshop on the Classification of Periodontal and Peri-implant Diseases and Conditions. The prevalence of periodontitis was determined by bone loss recorded on radiographs (orthopantomogram [OPG] and bitewing [BW]) and by clinical examination. Materials and methods As part of a large population health study (The HUNT Study), 7347 participants aged 19 years and older were invited to the HUNT4 Oral Health Study. Radiographic bone loss (RBL) and periodontal stage and grade were assessed in 4863 participants. Results Periodontal examination was performed in 4863 participants. RBL and clinical registrations corresponding to periodontitis as defined were observed in 72.4%. The prevalence of periodontitis increased after 40 years of age, with severe forms occurring primarily after 60 years of age. Stage I was observed in 13.8%, Stage II in 41.1%, Stage III in 15.3%, and Stage IV in 2.3% of the population. Grade A, B, and C was observed in 5.7%, 60.2%, and 6.2%, respectively. Conclusion Periodontitis was frequently observed in the investigated population. The prevalence of periodontitis Stage III and Stage IV combined was observed in 17.6% of the study population.
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