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Subfield · Dentistry

Periodontics research

Periodontics is a subfield of Dentistry. Science Explorer counts 124k research works in it since 1950. 17.0% of them reached the world's top 10% most cited for their field and year.

In short: field of dentistry.

Research works
124k
fractional, since 1950
In the world top 10%
21k
per year above
Top-10% rate
17.0%
share of its works in the world top 10%
Topics
4
Growth, 2013–17 → 2018–22
+50%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

What is Periodontics research about, and what is growing?

By the world's output in 2019–23, its most used keywords are Dental Caries, Epidemiology, Risk Factors, Oral Microbiome, Periodontal Diseases, Oral Health. Gaining share since 2009–13: Dental, Treatment.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2019–23 in the topics tagged with each word; colour compares the word's share of this field with 2009–13. Each links to the topic it comes from most.

All 12 words, with their numbers
  1. Dental Caries24k◆ 0.94×2 topics
  2. Epidemiology17k◆ 0.94×2 topics
  3. Risk Factors17k◆ 0.94×2 topics
  4. Oral Microbiome14k◆ 0.94×1 topic
  5. Periodontal Diseases14k◆ 0.94×1 topic
  6. Oral Health12k◆ 1.12×2 topics
  7. Global Burden9,870◆ 0.95×1 topic
  8. Prevention9,870◆ 0.95×1 topic
  9. Oral Mucosal Disorders7,115◆ 0.94×1 topic
  10. Potentially Malignant Disorders7,115◆ 0.94×1 topic
  11. Dental2,455▲ 4.5×1 topic
  12. Treatment2,455▲ 4.5×1 topic

Which countries lead Periodontics research?

On research quality in 2022–2025, China, the United States and Italy rank highest in Periodontics. By volume, India and China publish the most (4.6k and 3.3k works in 2022–2025).

By research quality, 2022–2025

  1. 1 China · #2 all time 28.3% top 10% · 3.3k works
  2. 2 United States · #1 all time 17.7% top 10% · 2.8k works
  3. 3 Italy · #6 all time 34.5% top 10% · 592 works
  4. 4 India · #4 all time 6.7% top 10% · 4.6k works
  5. 5 United Kingdom · #3 all time 19.5% top 10% · 925 works
  6. 6 Iran · #16 all time 14.7% top 10% · 765 works
  7. 7 Brazil · #5 all time 10.1% top 10% · 1.9k works
  8. 8 Spain · #12 all time 24.2% top 10% · 437 works
  9. 9 Germany · #7 all time 22.3% top 10% · 588 works
  10. 10 Saudi Arabia · #17 all time 14.9% top 10% · 729 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 31 countries ranked in Periodontics. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Periodontics

By volume, 2022–2025

  1. 1 India 4.6k works
  2. 2 China 3.3k works
  3. 3 United States 2.8k works
  4. 4 Brazil 1.9k works
  5. 5 Indonesia 1.2k works
  6. 6 United Kingdom 925 works
  7. 7 Japan 873 works
  8. 8 Türkiye 832 works
  9. 9 Iran 765 works
  10. 10 Saudi Arabia 729 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

India: 25.6%China: 18.5%United States: 15.5%Brazil: 10.9%6 others listed: 29.6%26%largest
India4,594 · 25.6%China3,309 · 18.5%United States2,784 · 15.5%Brazil1,946 · 10.9%6 others listed5,300 · 29.6%

Shares of the rows listed above, not of the whole node.

Which institutions lead Periodontics research?

Stomatology Hospital (China) ranks first in Periodontics on research quality in 2022–2025, followed by Sichuan University and Saveetha University.

By research quality, 2022–2025

  1. 1 Stomatology Hospital China · Xi'an · #19 all time 30.7% top 10% · 179 works
  2. 2 Sichuan University China · Chengdu · #14 all time 35.4% top 10% · 147 works
  3. 3 Saveetha University India · Chennai · #16 all time 7.9% top 10% · 565 works
  4. 4 University of Hong Kong Hong Kong · Pok Fu Lam · #7 all time 35.1% top 10% · 97 works
  5. 5 King's College London United Kingdom · London · #8 all time 30.3% top 10% · 76 works
  6. 6 University of Michigan United States · Ann Arbor · #1 all time 31.6% top 10% · 61 works
  7. 7 Universidade de São Paulo Brazil · São Paulo · #12 all time 15.7% top 10% · 147 works
  8. 8 Peking University China · Beijing · #72 all time 29.1% top 10% · 64 works
  9. 9 Nanjing Medical University China · Nanjing 26.9% top 10% · 60 works
  10. 10 King Saud University Saudi Arabia · Riyadh · #68 all time 17.4% top 10% · 86 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 27 institutions above the floor of 40 fractional works in Periodontics.

Top 100 Periodontics institutions

By volume, 2022–2025

  1. 1 Saveetha UniversityIndia 565 works
  2. 2 Stomatology HospitalChina 179 works
  3. 3 Universidade de São PauloBrazil 147 works
  4. 4 Sichuan UniversityChina 147 works
  5. 5 University of BaghdadIraq 127 works
  6. 6 Kamineni Institute of Dental SciencesIndia 116 works
  7. 7 Airlangga UniversityIndonesia 112 works
  8. 8 Universidade Estadual Paulista (Unesp)Brazil 106 works
  9. 9 University of Hong KongHong Kong 97 works
  10. 10 Government Dental College and HospitalIndia 94 works

Who are the leading researchers in Periodontics?

Among the most productive authors in Periodontics, Reza Malekzadeh, Ali Bijani and Yousef Khader rank highest on the composite score.

  1. 1 Reza Malekzadeh Iran · #24 worldwide 6.7k citations · 167 works
  2. 2 Ali Bijani Iran · #32 worldwide 5.6k citations · 168 works
  3. 3 Yousef Khader Jordan · #42 worldwide 7.7k citations · 152 works
  4. 4 Falk Schwendicke Germany · #1,736 worldwide 3.9k citations · 77 works
  5. 5 Veikko Salomaa Finland · #2,368 worldwide 3.3k citations · 239 works
  6. 6 Ravi Mehrotra India · #2,791 worldwide 3.1k citations · 68 works
  7. 7 Akram Pourshams Iran · #2,878 worldwide 3.5k citations · 67 works
  8. 8 Yaser Mohammed Al‐Worafi United Arab Emirates · #3,381 worldwide 1.7k citations · 278 works
  9. 9 Jan Lindhe Sweden · #4,435 worldwide 1k citations · 64 works
  10. 10 David Sidransky United States · #4,669 worldwide 1.8k citations · 136 works

Re-ranked on the composite score from the 3,052 highest-output authors in Periodontics. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Periodontics researchers

Where is Periodontics research done?

The largest centres of Periodontics research in 2022–2025 are Chennai (India), São Paulo (Brazil), Beijing (China) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Bubwith, Medak and Nalgonda.

Largest cities, 2022–2025

  1. 1 Chennai India 941 works
  2. 2 São Paulo Brazil 411 works
  3. 3 Beijing China 353 works
  4. 4 London United Kingdom 314 works
  5. 5 Shanghai China 302 works
  6. 6 Xi'an China 272 works
  7. 7 Riyadh Saudi Arabia 269 works
  8. 8 Seoul South Korea 239 works
  9. 9 Tehran Iran 239 works
  10. 10 Tokyo Japan 232 works

Where it is the local speciality

  1. BubwithGB · 20.9 works83×
  2. MedakIN · 52.1 works74×
  3. NalgondaIN · 116.1 works74×
  4. DhuleIN · 25.4 works41×
  5. PimpriIN · 36.4 works39×
  6. CaparicaPT · 23.3 works37×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Periodontics than the world average.

See Periodontics on the map

Periodontics research by country

The best places for Periodontics research inside each country, with that country's researchers and world standing.

Where is the best place to study Periodontics?

Among universities, judged by research, Saveetha University, Iuliu Hațieganu University of Medicine and Pharmacy and Escola Superior de Saúde Egas Moniz score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 23.92%fractional works in this node (log) →share in the world top 10% →Saveetha University: 565, 7.9%Iuliu Hațieganu University of Medicine and Pharmacy: 24, 31.5%Escola Superior de Saúde Egas Moniz: 23, 26.1%Jazan University: 45, 15.0%Grigore T. Popa University of Medicine and Pharmacy: 41, 28.2%Imam Abdulrahman Bin Faisal University: 36, 23.9%Wroclaw Medical University: 22, 39.9%Riyadh Elm University: 31, 7.6%University of Hong Kong: 97, 35.1%Academic Center for Dentistry Amsterdam: 43, 24.0%Iuliu Hațieganu Univ…Escola Superior de S…Jazan UniversitySaveetha University
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Saveetha UniversityIndia 65.37.9%20.9×565 +178.7%
2 Iuliu Hațieganu University of Medicine and PharmacyRomania 59.131.5%9.2×24 +203.0%
3 Escola Superior de Saúde Egas MonizPortugal 59.026.1%37.4×23 +749.6%
4 Jazan UniversitySaudi Arabia 53.215.0%7.8×45 +246.1%
5 Grigore T. Popa University of Medicine and PharmacyRomania 53.228.2%16.7×41 +57.0%
6 Imam Abdulrahman Bin Faisal UniversitySaudi Arabia 53.223.9%6.9×36 +625.4%
7 Wroclaw Medical UniversityPoland 53.139.9%5.5×22 +287.5%
8 Riyadh Elm UniversitySaudi Arabia 51.77.6%46.3×31 +288.0%
9 University of Hong KongHong Kong 50.835.1%4.0×97 +52.4%
10 Academic Center for Dentistry AmsterdamNetherlands 50.324.0%73.9×43 -22.6%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Periodontics research growing?

Output in 2018–2022 was 50% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Scientific and Engineering Research Topics, Oral Health Pathology and Treatment and Dental Health and Care Utilization.

19801990200020102020
grewheldshrank

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

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

  1. Scientific and Engineering Research Topics+728%
  2. Oral Health Pathology and Treatment+130%
  3. Dental Health and Care Utilization+124%
  4. Oral microbiology and periodontitis research+113%
← shrinkingno changegrowing →

Growth in output from 2005–09 to 2015–19. Every topic is a page of its own.

What does Periodontics include?

Oral microbiology and pe…54kOral microbiology and periodontitis research: 54k fractional worksDental Health and Care U…37kDental Health and Care Utilization: 37k fractional worksOral Health Pathology an…28kOral Health Pathology and Treatment: 28k fractional worksScientific and Engineeri…Scientific and Engineering Research Topics: 5,510 fractional works

Area is fractional works in that topic. Every name below is a page of its own.