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University · Kolkata · India

Dr. R. Ahmed Dental College and Hospital

In research, Dr. R. Ahmed Dental College and Hospital stands highest in Health Sciences (#5,158 of 11,982 worldwide), Dentistry (#236 of 367 worldwide) and Medicine (#10,217 of 10,443 worldwide), 2022–2025. Relative to its size it is most specialised in Oral Surgery and Dentistry — Oral Surgery is 108.0× its share of world research.

radch.netROR OpenAlex
World rank, 2022–2025
#17,906
of 28,054 · #29,835 all time
Rank in India
#1,205
of 1,840
Research works
561
▲ 101% vs 2013–17
Citations
3.1k
5.5 per fractional work
Top-10% rate
4.0%
record average 16.5%
Open access
82%
world 28%

What is Dr. R. Ahmed Dental College and Hospital known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Health SciencesDomain #5,158 of 11,982 3.8%162 #9923
DentistryField #236 of 367 5.3%82 #591
MedicineField #10,217 of 10,443 2.4%63 #14587

Each strip is that field’s whole ranked pool, with the notch where Dr. R. Ahmed Dental College and Hospital sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Health Sciences#9,923 #5,158
  2. Dentistry#591 #236
  3. Medicine#14,587 #10,217
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Dr. R. Ahmed Dental College and Hospital specialise in?

Where its research is concentrated relative to its size: Oral Surgery takes 108.0× the share of its output that it takes of world research.

  1. Oral SurgerySubfield · 42.4 works108×
  2. DentistryField · 81.5 works83×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.27× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.24× its world share, 14 worksBiochemistry, Geneti…Immunology and Microbiology: 0.62× its world share, 1 worksImmunology and Micro…Neuroscience: 0.12× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.87× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.05× its world share, 0 worksChemistryComputer Science: 0.10× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.21× its world share, 1 worksEarth and Planetary …Energy: 0.18× its world share, 0 worksEnergyEngineering: 0.37× its world share, 11 worksEngineeringEnvironmental Science: 0.05× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.18× its world share, 1 worksMaterials SciencePhysics and Astronomy: 0.66× its world share, 3 worksPhysics and AstronomyDentistry: 82.54× its world share, 82 worksDentistryHealth Professions: 3.04× its world share, 16 worksHealth ProfessionsMedicine: 1.62× its world share, 64 worksMedicineNursing: 0.41× its world share, 0 worksNursingVeterinary: 1.81× its world share, 0 worksVeterinaryArts and Humanities: 0.14× its world share, 1 worksArts and HumanitiesDecision Sciences: 0.03× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.10× its world share, 0 worksEconomics, Econometr…Psychology: 0.28× its world share, 2 worksPsychologySocial Sciences: 0.05× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Dentistry, 82.5×. Every wedge is a field page.

Who are the top researchers at Dr. R. Ahmed Dental College and Hospital?

Ranked on the composite score, Rahul Kaul, Tapan Kumar Giri and Subir Sarkar lead among researchers whose main affiliation is Dr. R. Ahmed Dental College and Hospital.

  1. 1 Rahul Kaul India · #513,328 worldwide 47 citations · 16 works
  2. 2 Tapan Kumar Giri India · #694,563 worldwide 82 citations · 28 works
  3. 3 Subir Sarkar India · #1,083,772 worldwide 15 citations · 15 works
All ranked researchers at Dr. R. Ahmed Dental College and Hospital

Which keywords describe research at Dr. R. Ahmed Dental College and Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Quality of Life, Surgical Management, Periodontal Disease, Molecular Pathology, Dental Caries, Keratocystic Odontogenic Tumor and Odontogenic Tumors.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology27▲ 3.4×35 topics
  2. Quality of Life17▲ 5.7×10 topics
  3. Surgical Management14▲ 17×7 topics
  4. Artificial Intelligence13▲ 4.6×4 topics
  5. Periodontal Disease13▲ 106×2 topics
  6. Dental Caries12▲ 58×2 topics
  7. Molecular Pathology12▲ 54×2 topics
  8. Keratocystic Odontogenic Tumor11▲ 173×1 topic
  9. Odontogenic Tumors11▲ 173×1 topic
  10. Cone-Beam CT11▲ 107×1 topic
  11. Dental Imaging11▲ 107×1 topic
  12. COVID-1910▲ 3.8×9 topics
  13. Risk Factors10▲ 4.7×5 topics
  14. Mineral Trioxide Aggregate10▲ 131×1 topic
  15. Root Canal Irrigants10▲ 131×1 topic
  16. Virtual Reality10▲ 9.4×2 topics
  17. Bone Regeneration9▲ 38×2 topics
  18. Dental Practice9▲ 100×1 topic
  19. Transmission Routes9▲ 100×1 topic
  20. Clinical Trials8▲ 6.0×9 topics
  21. Oral Health8▲ 69×3 topics
  22. Bacterial Diversity7▲ 30×2 topics
  23. Biomaterials7▲ 15×3 topics
  24. Dental Materials7▲ 64×1 topic
  25. Microbial Ecology7▲ 20×2 topics
  26. Restorative Dentistry7▲ 64×1 topic
  27. Dental Implants7▲ 69×1 topic
  28. Peri-implant Diseases7▲ 69×1 topic
  29. Oral Microbiome7▲ 59×1 topic
  30. Periodontal Diseases7▲ 59×1 topic
  31. Pathogenesis7▲ 6.4×9 topics
  32. Orthognathic Surgery6▲ 63×2 topics
  33. Prevention6▲ 7.3×5 topics
  34. Regenerative Medicine5▲ 11×4 topics
  35. Psychological Factors5▲ 12×4 topics
  36. Clinical Management5▲ 14×3 topics
  37. Fluoride5▲ 45×2 topics
  38. Remineralization5▲ 58×1 topic
  39. Social Determinants5▲ 11×1 topic
  40. Growth Factors5▲ 19×2 topics

Which research topics does Dr. R. Ahmed Dental College and Hospital publish most on?

By volume in 2022–2025: Oral and Maxillofacial Pathology, Dental Radiography and Imaging, Endodontics and Root Canal Treatments and Dental Research and COVID-19.

Oral and Maxillofacial P…11Oral and Maxillofacial Pathology: 11 fractional worksDental Radiography and I…11Dental Radiography and Imaging: 11 fractional worksEndodontics and Root Can…10Endodontics and Root Canal Treatments: 10 fractional worksDental Research and COVI…9Dental Research and COVID-19: 9 fractional worksDental materials and restorations: 7 fractional worksDental Implant Techniques and Outcomes: 7 fractional worksOral microbiology and pe…7Oral microbiology and periodontitis research: 7 fractional worksDental Health and Care Utilization: 5 fractional worksPeriodontal Regeneration and Treatments: 5 fractional worksOral Health Pathology and Treatment: 5 fractional works
Oral SurgeryGeneral DentistryOrthodonticsPeriodontics1 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Oral and Maxillofacial Pathology Oral Surgery 11 works
  2. 2 Dental Radiography and Imaging Oral Surgery 11 works
  3. 3 Endodontics and Root Canal Treatments Oral Surgery 10 works
  4. 4 Dental Research and COVID-19 General Dentistry 9 works
  5. 5 Dental materials and restorations Orthodontics 7 works
  6. 6 Dental Implant Techniques and Outcomes Oral Surgery 7 works
  7. 7 Oral microbiology and periodontitis research Periodontics 7 works
  8. 8 Dental Health and Care Utilization Periodontics 5 works
  9. 9 Periodontal Regeneration and Treatments Urology 5 works
  10. 10 Oral Health Pathology and Treatment Periodontics 5 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available81.5%not open18.5%

World: 28% of research is openly available.

with international co-authors26.6%domestic only73.4%

World: 19% is written across borders.

How has Dr. R. Ahmed Dental College and Hospital's research output changed?

Output in 2018–2022 was 101% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Kolkata

All research institutions in Kolkata

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.