OOIR: Observatory of International Research

Papers

(The H4-Index of International Endodontic Journal is 41. 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
Clinical outcome of guided endodontics versus freehand drilling: Comment	284
Gender diversity in endodontics: Women's representation at recent biennial meetings	234
Effect of kinematics on the torque/force generation, surface characteristics, and shaping ability of a nickel‐titanium rotary glide path instrument: An ex vivo study	196
Precision‐milled simulated curved root canals in bovine dentine for the assessment of chemo‐mechanical root canal preparation	195
	162
Pulp Response to Materials Used in the Management of Deep Carious Lesions Without Pulp Exposure: A Systematic Review and Network Meta‐Analysis	127
Substance P/calcitonin gene‐related peptide and their receptors expression in human periodontal ligament after root canal preparation with five different systems	106
Inflammatory profile of apical periodontitis exacerbated by cigarette smoke inhalation: Histological and immunohistochemical analysis in rats	105
Lipopolysaccharides and hydrogen peroxide induce contrasting pathological conditions in dental pulpal cells	102
The financial and quality of life impact of urgent dental presentations: A cross‐sectional study	98
Activin a regulates vascular formation and stabilization in direct coculture of dental pulp stem cells and endothelial cells	94
Immunomodulatory effect of IL‐1RA in LPS‐activated macrophage/dental pulp stem cells co‐culture	92
IWP‐2 modulates the immunomodulatory properties of human dental pulp stem cells in vitro	89
Angiogenic and neurogenic potential of dental‐derived stem cells for functional pulp regeneration: A narrative review	84
A critical analysis of research methods and experimental models to study irrigants and irrigation systems	80
Targeting hexokinase 1 alleviates NLRP3‐mediated inflammation in apical periodontitis: A laboratory investigation	79
Top 100 most‐cited scientific articles in regenerative endodontics 2019–2023: A bibliometric analysis	75
Exploring approaches to pulp vitality assessment: A scoping review of nontraditional methods	74
New consultant statistical advisor	73
Selenium ameliorates inflammation by decreasing autophagic flux and mitogen‐activated protein kinase signalling on experimentally induced rat periapical lesions	70
Response to the letter regarding our article, ‘Potential predisposing features of external cervical resorption: An observational study’ (Patel et al., 2025)	70
In‐depth investigation of FAM20A insufficiency effects on deciduous dental pulp cells: Altered behaviours, osteogenic differentiation, and inflammatory gene expression	65
Success rate of orthograde endodontic retreatment after failed apicectomy – A retrospective study	63
Volumetric changes in root canal sealers in ex vivo and a novel animal model approach	63
	61

Influence of ethylenediaminetetraacetic acid on regenerative endodontics: A systematic review	58
Expression of chronic pain genes in apical periodontitis tissues	58
Micro‐computed tomographic evaluation of dentinal microcracks in response to progressive taper enlargement in root canals of maxillary molars	58
The use of electrodermal activity in pulpal diagnosis and dental pain assessment	55
Micro‐CT evaluation of a nanodiamond irrigant for hard‐tissue debris removal during sonic agitation	54
Influence of dental bleaching on the pulp tissue: A systematic review of in vivo studies	54
Periapical healing following endodontic microsurgery with collagen‐based bone‐filling material: A randomized controlled clinical trial	53
Present status and future directions—Vital pulp treatment and pulp preservation strategies	52
Intracanal removal and apical extrusion of filling material after retreatment using rotary or reciprocating instruments: A new approach using human cadavers	50
Dental pulp lymphatic vessel dynamics during tooth development and pulp stimulation in rodents	49
Cost‐effectiveness analysis of full versus selective root canal retreatment	45
Present status and future directions: Managing endodontic emergencies	45
Efficacy of mixture of injectable‐platelet‐rich fibrin and type‐1 collagen particles on the closure of through‐and‐through periapical bone defects: A randomized controlled trial	44
	43
Elevated serum hepatic transaminases in apical periodontitis individuals	41
Issue Information	41