OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Clinical Periodontology is 38. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Cover Image	410
Cover Image	389
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	344
The tree shrew as a new animal model for the study of periodontitis	240
Issue Information	111
Surface decontamination of explanted peri‐implantitis‐affected implants	100
Increased safety in periodontal surgery: Doppler ultrasound for detection of relevant palatal blood vessels—A proof‐of‐concept and cross‐sectional study	88
RSPO4 is a potential risk gene of stages III–IV, grade C periodontitis through effects on innate immune response and oral barrier integrity	83
Is transmucosal healing of an implant as effective as submerged healing when simultaneous guided bone regeneration is performed? A preclinical study	79
Improvement of periodontal parameters following intensive diabetes care and supragingival dental prophylaxis in patients with type 2 diabetes: A prospective cohort study	73
A Study Into Systemic and Oral Levels of Proinflammatory Biomarkers Associated With Endpoints After Active Non‐Surgical Periodontal Therapy	69
Periodontal pockets: Predictors for site‐related worsening after non‐surgical therapy—A long‐term retrospective cohort study	68
A Survey Among General Practitioners and Periodontal Specialists in Norway Documenting a Positive Attitude Towards Guideline‐Based Referral Practise	57
Challenges and success in periodontal plastic surgery	56
Unveiling the Link Between Oral Microbiome Diversity and Biological Ageing: A Cross‐Sectional Study	56
Comment on Huoshen et al. (2025) ‘Pharmacovigilance‐Based Identification and Mechanistic Exploration of Periodontitis‐Related Drugs’	54
Toll‐like receptor‐1, ‐2, and ‐6 genotypes in relation to salivary human beta‐defensin‐1, ‐2, ‐3 and human neutrophilic peptide‐1	53
Oral microbiome diversity and diet quality in relation to mortality	52
Salivary Microvesicle Methylome and Microbiome Profiles in Periodontitis: An Exploratory Study	52
Accuracy of Clinical Parameters in Predicting/Diagnosing Peri‐Implant Bone Loss	52
NLRP3‐mediated periodontal ligament cell pyroptosis promotes root resorption	52
Periodontitis and the incidence of chronic obstructive pulmonary disease: A longitudinal study of an adult Japanese cohort	51
The Effect of Orthodontic Tooth Movement on Intrabony Periodontal Defects After Guided Tissue Regeneration—Part I: Human Histologic Evaluation of 20 Consecutive Cases	51
The Effect of Tobacco Smoking on Tooth Loss: A Systematic Review and Meta‐Analysis	49
LRP5 Down‐Regulation Exacerbates Inflammation and Alveolar Bone Loss in Periodontitis by Inhibiting PI3K/c‐FOS Signall	48

Issue Information	47
Periodontitis is associated with multimorbidity in a large dental school population	46
The potential causal path between periodontitis stage diagnosis and vegetable consumption is mediated by loss of posterior functional tooth units and masticatory function	45
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	44
Periodontal Diseases and Conditions in Children and Adolescents Associated With Systemic Disorders: A Systematic Review	44
Comparison of Healing Outcomes Between Simultaneous and Staged Implant Placement With Sinus Floor Elevation: A Preclinical Study Using a Rabbit Sinus Model	43
Persisting Chronic Periodontal Disease as a Risk Factor for Cardiovascular Disease: A Nationwide Population‐Based Cohort Study	42
Acute‐phase response following one‐stage full‐mouth versus quadrant non‐surgical periodontal treatment in subjects with comorbid type 2 diabetes: A randomized clinical trial	40
Association between biological ageing and periodontitis: Evidence from a cross‐sectional survey and multi‐omics Mendelian randomization analysis	40
Spatial Transcriptomic Assessments of Gene Expression Profiles in Human Peri‐Implant Lesions	40
Periodontitis stage and grade modifies the benefit of regular supportive periodontal care in terms of need for retreatment and mean cumulative cost	39
Correction to ‘Bone Regeneration After Sinus Floor Elevation in an Intact Sinus or a Sinus With Prior Large Membrane Perforation: A Preclinical Study Using a Rabbit Sinus Model’	38
Treatment of gingivitis is associated with reduction of systemic inflammation and improvement of oral health‐related quality of life: A randomized clinical trial	38
Correction to “Selective BET inhibitor RVX ‐208 ameliorates periodontal inflammation and bone loss	38
EuroPerio11 Author Index	38
Effect of sub‐marginal instrumentation before surgical treatment of peri‐implantitis: A multi‐centre randomized clinical trial	38
Efficacy of adjunctive measures in the non‐surgical treatment of peri‐implantitis: A systematic review	38