OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Periodontology is 24. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Periodontal risk score: Initiation and model validation for 6,762 teeth	135
Gingival crevicular fluid Bax, Bcl‐xl, interleukin‐22, and transforming growth factor beta 1 levels in stage III periodontitis	69
	64
	51
Multiple coronally advanced flap with a selective use of connective tissue graft: A 3‐year prospective clinical and histological study	48
Histological and immunohistochemical soft‐tissue response to cylindrical and concave abutments: Multicenter randomized clinical trial	46
	45
Pattern of grade C molar‐incisor pattern periodontitis in families	43
Characteristics of mesenchymal stem cells from supracrestal gingival connective tissue	41
Interferon activated gene 204 protects against bone loss in experimental periodontitis	40
Effect of interleukin‐17 on periodontitis development: An instrumental variable analysis	40
Probiotic Lactobacillus rhamnosus EM1107 prevents hyperglycemia, alveolar bone loss, and inflammation in a rat model of diabetes and periodontitis	38
Periodontitis associated with brain function impairment in middle‐aged and elderly individuals with normal cognition	36
aMMP‐8 self‐testing and self‐administered questionnaires for periodontitis screening: A diagnostic trial in a Chinese population	36
Effects of a stabilized stannous fluoride dentifrice on clinical, immunomodulatory, and microbial outcomes in a human experimental gingivitis model	35
Effectiveness of nonsurgical re‐instrumentation: Tooth‐related factors	32
Non‐invasive assessment of peri‐implant mucosal thickness: A cross‐sectional study	32
Effect of supragingival plaque control on recurrent periodontitis and clinical stability among individuals under periodontal maintenance therapy: 10‐year follow‐up	31
Shortened outreach periodontal therapy in nursing home residents with periodontitis: A randomized controlled trial	30
Colorimetric analysis of intraoral scans: A novel approach for detecting gingival inflammation	30
Donor site wound healing following free gingival graft surgery using platelet rich fibrin: A randomized controlled trial	26
Patients with periodontitis and erectile dysfunction suffer a greater incidence of major adverse cardiovascular events: A prospective study in a Spanish population	25
M101, a therapeutic oxygen carrier derived from Arenicola marina, decreased Porphyromonas gingivalis‐induced hypoxia and improved periodontal healing	25
	24
Clinical and histological outcomes of allogenic amnion–chorion membrane for palatal donor site healing	24

ISSUE INFORMATION	24
Presence of nonimpacted third molars affects the response of neighboring teeth to nonsurgical periodontal therapy	24
Clear aligners and open gingival embrasures: Retrospective study of epidemiology and risk factors	24