OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Clinical Periodontology is 34. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-06-01 to 2025-06-01.)

Article	Citations
Cover Image	323
Cover Image	223
A Study Into Systemic and Oral Levels of Proinflammatory Biomarkers Associated With Endpoints After Active Non‐Surgical Periodontal Therapy	213
A Survey Among General Practitioners and Periodontal Specialists in Norway Documenting a Positive Attitude Towards Guideline‐Based Referral Practise	196
Associations of periodontal disease and tooth loss with all‐cause and cause‐specific mortality in the Sister Study	136
Multimorbid disease trajectories for people with periodontitis	87
Surgical treatment of experimental peri‐implantitis using mechanical and chemical decontamination procedures: A pre‐clinical in vivo study	81
RSPO4 is a potential risk gene of stages III–IV, grade C periodontitis through effects on innate immune response and oral barrier integrity	71
Accuracy of Clinical Parameters in Predicting/Diagnosing Peri‐Implant Bone Loss	63
LRP5 Down‐Regulation Exacerbates Inflammation and Alveolar Bone Loss in Periodontitis by Inhibiting PI3K/c‐FOS Signalling	56
Toll‐like receptor‐1, ‐2, and ‐6 genotypes in relation to salivary human beta‐defensin‐1, ‐2, ‐3 and human neutrophilic peptide‐1	55
Exploring periodontitis misclassification mechanisms under partial‐mouth protocols	55
Periodontitis and the incidence of chronic obstructive pulmonary disease: A longitudinal study of an adult Japanese cohort	54
Is transmucosal healing of an implant as effective as submerged healing when simultaneous guided bone regeneration is performed? A preclinical study	54
Surface decontamination of explanted peri‐implantitis‐affected implants	51
Challenges and success in periodontal plastic surgery	50
Can periodontal measures assist in the identification of adults with undiagnosed hyperglycaemia? A systematic review	45
The tree shrew as a new animal model for the study of periodontitis	45
Three‐dimensional imaging analysis of CAD/CAM custom‐milled versus prefabricated allogeneic block remodelling at 6 months and long‐term follow‐up of dental implants: A retrospect	45
Increased safety in periodontal surgery: Doppler ultrasound for detection of relevant palatal blood vessels—A proof‐of‐concept and cross‐sectional study	44
Oral microbiome diversity and diet quality in relation to mortality	43
Improvement of periodontal parameters following intensive diabetes care and supragingival dental prophylaxis in patients with type 2 diabetes: A prospective cohort study	43
Periodontal pockets: Predictors for site‐related worsening after non‐surgical therapy—A long‐term retrospective cohort study	42
Recurrence and progression of periodontitis and methods of management in long‐term care: A systematic review and meta‐analysis	42
Two short implants versus one short implant with a cantilever: 5‐Year results of a randomized clinical trial	41

Understanding the consequences of educational inequalities on periodontitis: A Mendelian randomization study	41
NLRP3‐mediated periodontal ligament cell pyroptosis promotes root resorption	39
Molecular biomarker research in periodontology: A roadmap for translation of science to clinical assay validation	38
Issue Information	37
Cytokine profiles and the dynamic of gingivitis development in humans	37
Persisting Chronic Periodontal Disease as a Risk Factor for Cardiovascular Disease: A Nationwide Population‐Based Cohort Study	37
Association between biological ageing and periodontitis: Evidence from a cross‐sectional survey and multi‐omics Mendelian randomization analysis	36
Correction to “Selective BET inhibitor RVX‐208 ameliorates periodontal inflammation and bone loss”	36
EuroPerio11 Author Index	35
Cross‐linked hyaluronic acid gel with or without a collagen matrix in the treatment of class III furcation defects: A histologic and histomorphometric study in dogs	34
Effect of combined periodontal and orthodontic treatment of tilted molars and of teeth with intra‐bony and furcation defects in stage‐IV periodontitis patients: A systematic review	34