OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Periodontology is 26. 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
Gingival crevicular fluid Bax, Bcl‐xl, interleukin‐22, and transforming growth factor beta 1 levels in stage III periodontitis	74
	62
	56
Periodontal risk score: Initiation and model validation for 6,762 teeth	55
Histological and immunohistochemical soft‐tissue response to cylindrical and concave abutments: Multicenter randomized clinical trial	50
Multiple coronally advanced flap with a selective use of connective tissue graft: A 3‐year prospective clinical and histological study	49
Shortened outreach periodontal therapy in nursing home residents with periodontitis: A randomized controlled trial	47
Periodontitis associated with brain function impairment in middle‐aged and elderly individuals with normal cognition	40
Effect of interleukin‐17 on periodontitis development: An instrumental variable analysis	40
Non‐invasive assessment of peri‐implant mucosal thickness: A cross‐sectional study	39
Characteristics of mesenchymal stem cells from supracrestal gingival connective tissue	39
Donor site wound healing following free gingival graft surgery using platelet rich fibrin: A randomized controlled trial	38
Effects of a stabilized stannous fluoride dentifrice on clinical, immunomodulatory, and microbial outcomes in a human experimental gingivitis model	33
Pattern of grade C molar‐incisor pattern periodontitis in families	33
Probiotic Lactobacillus rhamnosus EM1107 prevents hyperglycemia, alveolar bone loss, and inflammation in a rat model of diabetes and periodontitis	32
aMMP‐8 self‐testing and self‐administered questionnaires for periodontitis screening: A diagnostic trial in a Chinese population	32
Effect of supragingival plaque control on recurrent periodontitis and clinical stability among individuals under periodontal maintenance therapy: 10‐year follow‐up	32
Interferon activated gene 204 protects against bone loss in experimental periodontitis	31
Effectiveness of nonsurgical re‐instrumentation: Tooth‐related factors	29
Mineral‐targeted alkaline phosphatase improves bone graft‐mediated alveolar bone defect healing in mice	28
ISSUE INFORMATION	28
Colorimetric analysis of intraoral scans: A novel approach for detecting gingival inflammation	28
GLP‐1 receptor agonists: Bridging diabetes, obesity, and periodontitis—A scoping review of emerging evidence	27
Presence of nonimpacted third molars affects the response of neighboring teeth to nonsurgical periodontal therapy	26
Clear aligners and open gingival embrasures: Retrospective study of epidemiology and risk factors	26

Unsupervised phenotyping of the periodontal architecture through high‐dimensional clustering of electronic health records: A multicenter study