OOIR: Observatory of International Research

Papers

(The H4-Index of Periodontology 2000 is 45. 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
	402
	228
Corrigendum	209
Oral health status and the etiology and prevention of nonventilator hospital‐associated pneumonia	204
Soft‐tissue volume augmentation during early, delayed, and late dental implant therapy: A systematic review and meta‐analysis on professionally determined esthetics and self‐reported patient satisfact	142
Ten years of injectable platelet‐rich fibrin	141
Association between metabolic syndrome and periodontitis: The role of lipids, inflammatory cytokines, altered host response, and the microbiome	134
Minimal invasiveness in vertical ridge augmentation	122
The human oral virome: Shedding light on the dark matter	97
Systemic racism and racial inequities in periodontal health: The long journey from upstream determinants to downstream treatment	96
Impact of smoking on cost‐effectiveness of 10–48 years of periodontal care	89
Fungal diseases: Oral dysbiosis in susceptible hosts	88
Dendritic cells a critical link to alveolar bone loss and systemic disease risk in periodontitis: Immunotherapeutic implications	88
Impact of calorie restriction and intermittent fasting on periodontal health	85
Periodontitis and atherosclerotic cardiovascular disease: A critical appraisal	85
Role of Porphyromonas gingivalis in oral and orodigestive squamous cell carcinoma	83
The role of cigarette smoking in periodontal disease and treatment outcomes of dental implant therapy	81
Periodontology and pregnancy: An overview of biomedical and epidemiological evidence	80
	80
Radiographic diagnosis of periodontal diseases – Current evidence versus innovations	79
Bacteriome and mycobiome dysbiosis in oral mucosal dysplasia and oral cancer	79
Minimal invasiveness in lateral bone augmentation with simultaneous implant placement: A systematic review	76
Waistline to the gumline: Relationship between obesity and periodontal disease‐biological and management considerations	76
Prosthetic failures in dental implant therapy	75
Clinical and patient‐reported outcomes of tissue engineering strategies for periodontal and peri‐implant reconstruction	74

Oral and periodontal implications of tobacco and nicotine products	71
Issue Information	69
Eating disorders through the periodontal lens	68
Does implant location influence the risk of peri‐implantitis?	67
Optimization of platelet‐rich fibrin	67
Membrane barriers for guided bone regeneration: An overview of available biomaterials	65
Issue Information	63
	60
Inflammation as a link between periodontal disease and obesity	56
COVID‐19 associated oral and oropharyngeal microbiome: Systematic review and meta‐analysis	56
Can vitamins improve periodontal wound healing/regeneration?	54
Bone reconstruction of extensive maxillomandibular defects in adults	53
Complications and treatment errors in peri‐implant soft tissue management	52
The role and impact of viruses on cancer development	51
Microbial diagnostics in periodontal diseases	50
	49
The impact of the European Federation of Periodontology on European and global periodontology	49
Illegal drugs and periodontal conditions	46
Probiotics for periodontal health—Current molecular findings	45
Contemporary concepts on periodontal complications from prosthetic and restorative therapies	45