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| Item Type: | Article |
|---|---|
| Title: | Regional disparities in the prevalence of probing depths and tooth loss in Germany--results from the German National Cohort (NAKO) |
| Creators: |
Gortschakow, Jana  ORCID: https://orcid.org/0009-0006-1593-238X, Borof, Katrin ORCID: https://orcid.org/0009-0006-8687-0286, Sasunna, Dominic ORCID: https://orcid.org/0009-0008-2225-9319, Kuhr, Kathrin ORCID: https://orcid.org/0000-0002-9214-4516, Aarabi, Ghazal ORCID: https://orcid.org/0000-0001-5484-2594, Baumeister, Sebastian-Edgar ORCID: https://orcid.org/0000-0002-9391-6602, Ciardo, Antonio ORCID: https://orcid.org/0000-0003-2181-3505, Greiser, Karin Halina ORCID: https://orcid.org/0000-0003-3213-8285, Hagenfeld, Daniel ORCID: https://orcid.org/0000-0003-1072-4865, Hertrampf, Katrin ORCID: https://orcid.org/0000-0003-1589-0619, Kim, Ti-Sun ORCID: https://orcid.org/0009-0007-3539-7211, Kühnisch, Jan ORCID: https://orcid.org/0000-0003-4063-2291, Pischon, Tobias ORCID: https://orcid.org/0000-0003-1568-767X, Reckelkamm, Stefan L ORCID: https://orcid.org/0000-0002-5273-7288, Samietz, Stefanie ORCID: https://orcid.org/0000-0002-1817-6755, Wojciechowsky, Martin ORCID: https://orcid.org/0009-0000-2476-5890, Alselwi, Asma'a ORCID: https://orcid.org/0009-0006-5197-4018, Kemmling, Yvonne, Krist, Lilian ORCID: https://orcid.org/0000-0002-6089-5163, Leitzmann, Michael ORCID: https://orcid.org/0000-0002-0371-2789, Meinke-Franze, Claudia ORCID: https://orcid.org/0000-0001-6137-9702, Mikolajczyk, Rafael ORCID: https://orcid.org/0000-0003-1271-7204, Obi, Nadia ORCID: https://orcid.org/0000-0002-0903-9142, Pickford, Regina ORCID: https://orcid.org/0000-0003-4371-9309, Pischon, Nicole ORCID: https://orcid.org/0000-0002-8427-4484, Rathmann, Wolfgang ORCID: https://orcid.org/0000-0001-7804-1740, Schulze, Matthias B ORCID: https://orcid.org/0000-0002-0830-5277, Schipf, Sabine ORCID: https://orcid.org/0000-0002-2700-5317, Schmidt, Börge ORCID: https://orcid.org/0000-0001-6948-7273, Willich, Stefan N ORCID: https://orcid.org/0009-0006-1270-2597, Rach, Stefan ORCID: https://orcid.org/0000-0001-5241-0253, Jordan, A Rainer ORCID: https://orcid.org/0000-0002-9710-3094, Völzke, Henry ORCID: https://orcid.org/0000-0001-7003-399X, Kocher, Thomas ORCID: https://orcid.org/0000-0001-9605-2822, Kanzow, Philipp ORCID: https://orcid.org/0000-0002-2169-561X, Welk, Alexander ORCID: https://orcid.org/0000-0002-0279-6239, Rupf, Stefan ORCID: https://orcid.org/0000-0002-1551-9935 and Holtfreter, Birte ORCID: https://orcid.org/0000-0002-6541-3127
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| Abstract: | AIM: To evaluate regional disparities in the prevalence, severity and extent of probing depths (PDs) as well as tooth loss in German adults aged 19-74, using data from the baseline study of the German National Cohort (NAKO; 2014-2019). METHODS: Dental examinations were recorded at two levels: Level 1 (18/18 centres; N = 184,871; tooth counts including third molars and dental interview) and Level 2 (8/18 centres, not geographically representative; N = 18,389; recording of PDs). We evaluated differences by sex, age and study region. All data were survey-weighted. For individuals aged 65-74, we supplemented tooth loss data from the Fifth German Oral Health Study and the Study of Health in Pomerania. RESULTS: Among Level 1 participants, the prevalence of edentulism was 1.7% (95% confidence interval: 1.6-1.9). The average mean PD was 1.89 mm (1.87-1.91). Both edentulism and PDs increased with increasing age. There were clear regional disparities, with the lowest prevalence of both in Augsburg/Regensburg in the south (1.3% and 1.64 mm) and the highest in Neubrandenburg in the north-east (2.3% and 2.31 mm). CONCLUSION: Clear regional disparities emerged. In light of demographic changes, these results highlight the importance of incorporating region-specific oral health burdens into future healthcare planning and treatment concepts. |
| Keywords: | Cohort Study, Edentulism, German National Cohort, NAKO, Periodontitis, Prevalence, Regional Disparities |
| Source: | Journal of Clinical Periodontology |
| ISSN: | 0303-6979 |
| Publisher: | Wiley |
| Date: | 18 September 2026 |
| Official Publication: | https://doi.org/10.1111/jcpe.70201 |
| PubMed: | View item in PubMed |
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