World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
76
Citations
15784
World Ranking
1462
National Ranking
638

Isabela N. Rôças publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Isabela N. Rôças sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 138 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Isabela N. Rôças D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Isabela N. Rôças sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 76 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Isabela N. Rôças is affiliated with the University of Rio Grande and Rio Grande Community College in the United States. Their research focuses primarily on the field of Dentistry, with significant contributions in several related subfields including Oral Surgery, Periodontics, Orthodontics, Surgery, and Molecular Biology.

The scientist's main topics of study encompass Endodontics and Root Canal Treatments, Dental Radiography and Imaging, Dental materials and restorations, Oral microbiology and periodontitis research, Oral and Maxillofacial Pathology, dental development and anomalies, and Dental Trauma and Treatments.

Isabela N. Rôças has published extensively in journals dedicated to Endodontics and related dental fields. Frequent publication venues include the Journal of Endodontics, International Endodontic Journal, Endo Sapiens Journal, Clinical Oral Investigations, and Australian Endodontic Journal.

Notable recent publications include:

  • PRILE 2021 guidelines for reporting laboratory studies in Endodontology: A consensus-based development, 2021, International Endodontic Journal
  • Present status and future directions: Microbiology of endodontic infections, 2021, International Endodontic Journal
  • Impact of Contracted Endodontic Cavities on Root Canal Disinfection and Shaping, 2020, Journal of Endodontics
  • PRILE 2021 guidelines for reporting laboratory studies in Endodontology: explanation and elaboration, 2021, International Endodontic Journal
  • Cleaning, Shaping, and Disinfecting Abilities of 2 Instrument Systems as Evaluated by a Correlative Micro-computed Tomographic and Histobacteriologic Approach, 2020, Journal of Endodontics

Isabela N. Rôças often collaborates with other researchers in the field. Frequent co-authors include José F. Siqueira, Flávio R.F. Alves, Domenico Ricucci, Ibrahimu Mdala, and Andrea F. Campello.

Best Publications

  • Clinical Implications and Microbiology of Bacterial Persistence after Treatment Procedures

    José F. Siqueira;Isabela N. Rôças

  • Chemomechanical Reduction of the Bacterial Population in the Root Canal after Instrumentation and Irrigation with 1%, 2.5%, and 5.25% Sodium Hypochlorite

    José F. Siqueira;Isabela N. Rôças;Amauri Favieri;Kenio C. Lima

  • Polymerase chain reaction–based analysis of microorganisms associated with failed endodontic treatment

    José F Siqueira;Isabela N Rôças

  • Diversity of Endodontic Microbiota Revisited

    J.F. Siqueira;I.N. Rôças

  • Incidence of postoperative pain after intracanal procedures based on an antimicrobial strategy.

    José F. Siqueira;Isabela N. Rôças;Amauri Favieri;Andréia G. Machado

  • Microbiology and Treatment of Acute Apical Abscesses

    Jr . José F. Siqueira;Isabela N. Rôças

  • Molecular analysis of bacteria in asymptomatic and symptomatic endodontic infections

    M. Sakamoto;I. N. Rocas;J. F. Siqueira;Y. Benno

  • Bacterial Reduction in Infected Root Canals Treated With 2.5% NaOCl as an Irrigant and Calcium Hydroxide/Camphorated Paramonochlorophenol Paste as an Intracanal Dressing

    José F. Siqueira;Karen M. Magalhães;Isabela N. Rôças

  • Exploiting Molecular Methods to Explore Endodontic Infections: Part 1—Current Molecular Technologies for Microbiological Diagnosis

    J.F. Siqueira;I.N. Rôças

  • Correlative Bacteriologic and Micro–Computed Tomographic Analysis of Mandibular Molar Mesial Canals Prepared by Self-Adjusting File, Reciproc, and Twisted File Systems

    Unknown

  • Exploiting molecular methods to explore endodontic infections: Part 2--Redefining the endodontic microbiota.

    J.F. Siqueira;I.N. Rôças

  • Actinomyces species, streptococci, and Enterococcus faecalis in primary root canal infections.

    José F. Siqueira;Isabela N. Rôças;Renata Souto;Milton de Uzeda

  • Bacteriologic investigation of the effects of sodium hypochlorite and chlorhexidine during the endodontic treatment of teeth with apical periodontitis

    Jr . José F. Siqueira;Isabela N. Rôças;Simone S. M. Paiva;Tatiana Guimarães-Pinto

  • Effects of Chemomechanical Preparation With 2.5% Sodium Hypochlorite and Intracanal Medication With Calcium Hydroxide on Cultivable Bacteria in Infected Root Canals

    José F. Siqueira;Tatiana Guimarães-Pinto;Isabela N. Rôças

  • Root Canal Microbiota of Teeth with Chronic Apical Periodontitis

    IN Rôças;Jr Jf Siqueira

  • What happens to unprepared root canal walls: a correlative analysis using micro-computed tomography and histology/scanning electron microscopy.

    Unknown

  • Comparison of the in vivo antimicrobial effectiveness of sodium hypochlorite and chlorhexidine used as root canal irrigants: a molecular microbiology study.

    Isabela N. Rôças;José F. Siqueira

  • Checkerboard DNA-DNA hybridization analysis of endodontic infections†

    José F. Siqueira;Isabela N. Rôças;Renata Souto;Milton de Uzeda

  • Red complex (Bacteroides forsythus, Porphyromonas gingivalis, and Treponema denticola) in endodontic infections : A molecular approach

    Isabela N. Rôças;José F. Siqueira;Kátia R.N. Santos;Ana M.A. Coelho

  • Bacterial pathogenesis and mediators in apical periodontitis

    José F. Siqueira Jr;Isabela N. Rôças

  • Molecular analysis of the root canal microbiota associated with endodontic treatment failures

    M. Sakamoto;J. F. Siqueira;I. N. Rôças;Y. Benno

  • Pyrosequencing as a tool for better understanding of human microbiomes

    José F. Siqueira;Ashraf F. Fouad;Isabela N. Rôças

  • Bacterial reduction and persistence after endodontic treatment procedures.

    M. Sakamoto;J. F. Siqueira;I. N. Rôças;Y. Benno

  • Community as the unit of pathogenicity: an emerging concept as to the microbial pathogenesis of apical periodontitis.

    José F. Siqueira;Isabela N. Rôças

  • Reduction in the cultivable bacterial populations in infected root canals by a chlorhexidine-based antimicrobial protocol.

    José F. Siqueira;Simone S.M. Paiva;Isabela N. Rôças

Frequent Co-Authors

José F. Siqueira
José F. Siqueira Estácio (Brazil)
Alexandre Soares Rosado
Alexandre Soares Rosado King Abdullah University of Science and Technology
Kátia Regina Netto dos Santos
Kátia Regina Netto dos Santos Federal University of Rio de Janeiro
Josette Camilleri
Josette Camilleri University of Birmingham
James M. Tiedje
James M. Tiedje Michigan State University

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