Universität zu Köln

Barbe, Anna G. ORCID: 0000-0003-0169-2582, Beck, Dalia ORCID: 0009-0001-5119-7291, Hellmich, Martin ORCID: 0000-0001-5174-928X, von Kohout, Max ORCID: 0009-0006-7390-1557, Derman, Sonja H. M. ORCID: 0000-0003-2239-6010 and Bleiel, Dirk ORCID: 0009-0004-5294-8853 (2026). Shortened outreach periodontal therapy in nursing home residents with periodontitis: A randomized controlled trial. Journal of Periodontology, 97 (6). pp. 1170-1182. Wiley. ISSN 0022-3492

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Abstract

Background: We examined the clinical effectiveness of shortened outreach peri- odontal therapy for 3 months in nursing home residents with periodontitis versus controls (no therapy). Methods: Nursing home residents with periodontitis were randomly assigned to either (a) one-time, shortened outreach periodontal therapy adapted to Ger- man statutory health guidelines for periodontitis patients in need of care, which included subgingival instrumentation as part of anti-infective therapy (interven- tion) or (b) no treatment (control). Changes in bleeding on probing (BOP), plaque index (PI), and pocket probing depth (PPD) were assessed before therapy and at 3 months. Results: Thirty-six participants were included (mean age 85 ± 6 years). In the intervention group, BOP decreased longitudinally from baseline (45 ± 20) to follow-up (35 ± 16) (change (∆) −10 ± 26; p = 0.088; effect size of Cohen’s d = −0.70 (95% confidence interval (CI) [−1.40 to 0.00]). Significant decreases were observed for PI (from 1.0 ± 0.4 to 0.7 ± 0.4, respectively; ∆−0.3 ± 0.4; p = 0.010; Cohen’s d = −0.56 (95% CI [−1.24 to 0.11]) and PPD (4.5 ± 0.5 to 4.0 ± 0.5 mm; ∆−0.5 ± 0.5; p = 0.004; Cohen’s d = −1.32; 95% CI [−2.05 to −0.59]). Between-group comparisons revealed significant differences in BOP (p = 0.041) and PPD (p < 0.001), but not PI (p = 0.09). In generalized linear modeling, the treatment group was the main influencing factor, with oral or vestibular plaque localization also affecting treatment outcomes over time. Conclusion: In nursing home residents with high plaque levels and periodontal burden, shortened outreach periodontal therapy yielded improvements in periodontal health among nursing home residents, though limited by insufficient oral hygiene and the population’s high vulnerability. Clinical trial registration: German Clinical Trials Register (DRKS), registration number DRKS00029392

Item Type:	Article
Creators:	Creators Email ORCID ORCID Put Code Barbe, Anna G. UNSPECIFIED https://orcid.org/0000-0003-0169-2582 UNSPECIFIED Beck, Dalia UNSPECIFIED https://orcid.org/0009-0001-5119-7291 UNSPECIFIED Hellmich, Martin UNSPECIFIED https://orcid.org/0000-0001-5174-928X UNSPECIFIED von Kohout, Max UNSPECIFIED https://orcid.org/0009-0006-7390-1557 UNSPECIFIED Derman, Sonja H. M. UNSPECIFIED https://orcid.org/0000-0003-2239-6010 UNSPECIFIED Bleiel, Dirk UNSPECIFIED https://orcid.org/0009-0004-5294-8853 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-809619
Identification Number:	10.1002/jper.70041
Journal or Publication Title:	Journal of Periodontology
Volume:	97
Number:	6
Page Range:	pp. 1170-1182
Number of Pages:	13
Date:	26 June 2026
Publisher:	Wiley
ISSN:	0022-3492
Language:	English
Faculty:	Faculty of Medicine
Divisions:	Faculty of Medicine > Medizinische Statistik und Bioinformatik > Institut für Medizinische Statistik und Bioinformatik � IMSB Faculty of Medicine > Zahn-, Mund- und Kieferheilkunde > Poliklinik für Zahnerhaltung und Parodontologie
Subjects:	Medical sciences Medicine
Uncontrolled Keywords:	Keywords Language dental plaque ; gingivitis ; nursing homes ; periodontitis ; randomized controlled trial ; subgingival curettage English
['eprint_fieldname_oa_funders' not defined]:	Publikationsfonds UzK
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/80961