Takashi Okiji

5.7k total citations · 1 hit paper
192 papers, 4.3k citations indexed

About

Takashi Okiji is a scholar working on Oral Surgery, Orthodontics and Molecular Biology. According to data from OpenAlex, Takashi Okiji has authored 192 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 109 papers in Oral Surgery, 52 papers in Orthodontics and 29 papers in Molecular Biology. Recurrent topics in Takashi Okiji's work include Endodontics and Root Canal Treatments (106 papers), Dental materials and restorations (51 papers) and Dental Radiography and Imaging (35 papers). Takashi Okiji is often cited by papers focused on Endodontics and Root Canal Treatments (106 papers), Dental materials and restorations (51 papers) and Dental Radiography and Imaging (35 papers). Takashi Okiji collaborates with scholars based in Japan, United States and Myanmar. Takashi Okiji's co-authors include Le Han, Nobuyuki Kawashima, Kunihiko Yoshiba, Hideaki Suda, Linlin Han, Tomoatsu Kaneko, Arata Ebihara, Masayoshi Fukushima, Akira Okamoto and Nagako Yoshiba and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Scientific Reports.

In The Last Decade

Takashi Okiji

184 papers receiving 4.2k citations

Hit Papers

Uptake of calcium and silicon released from calcium silic... 2011 2026 2016 2021 2011 50 100 150 200 250
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Uptake of calcium and silicon released from calcium silicate–based endodontic materials into root canal dentine
    2011 296 citations Le Han, Takashi Okiji International Endodontic Journal profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Takashi Okiji Japan 34 2.7k 1.4k 732 399 370 192 4.3k
Imad About France 43 3.2k 1.2× 1.9k 1.3× 946 1.3× 393 1.0× 391 1.1× 124 5.4k
Hideaki Suda Japan 39 2.9k 1.1× 1.0k 0.7× 567 0.8× 303 0.8× 252 0.7× 230 4.5k
Márcia Martins Marques Brazil 42 2.3k 0.9× 1.2k 0.8× 460 0.6× 330 0.8× 517 1.4× 228 6.0k
Alastair J. Sloan United Kingdom 35 1.7k 0.6× 789 0.5× 1.1k 1.4× 369 0.9× 368 1.0× 113 4.0k
Dingming Huang China 29 1.6k 0.6× 473 0.3× 661 0.9× 172 0.4× 405 1.1× 172 3.0k
Kyung‐San Min South Korea 34 1.9k 0.7× 995 0.7× 435 0.6× 179 0.4× 237 0.6× 115 2.8k
Sergio Caputi Italy 41 2.5k 0.9× 2.0k 1.4× 747 1.0× 165 0.4× 436 1.2× 156 5.3k
Peter Proff Germany 33 1.2k 0.4× 1.2k 0.8× 1.3k 1.7× 112 0.3× 322 0.9× 254 3.6k
Louis M. Lin United States 38 4.1k 1.5× 851 0.6× 562 0.8× 1.5k 3.8× 323 0.9× 77 4.9k
Yuxing Bai China 37 1.2k 0.5× 2.0k 1.4× 721 1.0× 193 0.5× 811 2.2× 191 4.1k

Countries citing papers authored by Takashi Okiji

Since Specialization
Citations

This map shows the geographic impact of Takashi Okiji's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Takashi Okiji with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Takashi Okiji more than expected).

Fields of papers citing papers by Takashi Okiji

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Takashi Okiji. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Takashi Okiji. The network helps show where Takashi Okiji may publish in the future.

Co-authorship network of co-authors of Takashi Okiji

This figure shows the co-authorship network connecting the top 25 collaborators of Takashi Okiji. A scholar is included among the top collaborators of Takashi Okiji based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Takashi Okiji. Takashi Okiji is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Watanabe, Satoshi, et al.. (2024). Comparisons of the smear layer removal efficacy of dual-action irrigants and different activation techniques. Journal of Dental Sciences. 20(2). 877–884. 2 indexed citations
3.
Watanabe, Satoshi, et al.. (2024). Comparative Effectiveness of Different Er:YAG Laser-Activated Irrigation Systems on Removing Calcium Hydroxide from Simulated Internal Root Resorption Cavities at Different Root Levels. Photobiomodulation Photomedicine and Laser Surgery. 42(7). 480–487. 2 indexed citations
4.
Nara, Keisuke, et al.. (2023). MicroRNA-146b-5p Suppresses Pro-Inflammatory Mediator Synthesis via Targeting TRAF6, IRAK1, and RELA in Lipopolysaccharide-Stimulated Human Dental Pulp Cells. International Journal of Molecular Sciences. 24(8). 7433–7433. 7 indexed citations
5.
Kaneko, Tomoatsu, et al.. (2021). Pulp inflammation induces Kv1.1 K + channel down‐regulation in rat thalamus. Oral Diseases. 28(6). 1674–1681. 1 indexed citations
6.
Watanabe, Satoshi, et al.. (2021). Er:YAG Laser-Activated Irrigation in Comparison with Different Irrigation Systems for Cleaning the Apical Root Canal Area Beyond Ledge. Photobiomodulation Photomedicine and Laser Surgery. 39(12). 759–765. 9 indexed citations
7.
Kuramoto, Masashi, Nobuyuki Kawashima, Keisuke Nara, et al.. (2020). Mineral trioxide aggregate suppresses pro‐inflammatory cytokine expression via the calcineurin/nuclear factor of activated T cells/early growth response 2 pathway in lipopolysaccharide‐stimulated macrophages. International Endodontic Journal. 53(12). 1653–1665. 8 indexed citations
8.
Kawashima, Nobuyuki, Kentaro Hashimoto, Keisuke Nara, et al.. (2020). Hypoxia‐inducible factor 1α promotes interleukin 1β and tumour necrosis factor α expression in lipopolysaccharide‐stimulated human dental pulp cells. International Endodontic Journal. 53(5). 636–646. 10 indexed citations
9.
Noda, Sonoko, Nobuyuki Kawashima, Mioko Yamamoto, et al.. (2019). Effect of cell culture density on dental pulp-derived mesenchymal stem cells with reference to osteogenic differentiation. Scientific Reports. 9(1). 5430–5430. 62 indexed citations
10.
11.
Kang, Donghoon, Takahiro Wada, Motohiro Uo, & Takashi Okiji. (2018). Influence of bentonite addition on the handling and physical properties of tricalcium silicate cement. 18(2). 37–44. 3 indexed citations
12.
Watanabe, Satoshi, et al.. (2017). Effect of Laser Energy and Tip Insertion Depth on the Pressure Generated Outside the Apical Foramen During Er:YAG Laser-Activated Root Canal Irrigation. Photomedicine and Laser Surgery. 35(12). 682–687. 19 indexed citations
13.
Kawashima, Nobuyuki, Sonoko Noda, Mioko Yamamoto, & Takashi Okiji. (2017). Properties of Dental Pulp–derived Mesenchymal Stem Cells and the Effects of Culture Conditions. Journal of Endodontics. 43(9). S31–S34. 37 indexed citations
14.
15.
Ohsumi, Tatsuya, Shoji Takenaka, Naoki Narisawa, et al.. (2015). Residual Structure of Streptococcus mutans Biofilm following Complete Disinfection Favors Secondary Bacterial Adhesion and Biofilm Re-Development. PLoS ONE. 10(1). e0116647–e0116647. 37 indexed citations
16.
Han, Le & Takashi Okiji. (2011). Uptake of calcium and silicon released from calcium silicate–based endodontic materials into root canal dentine. International Endodontic Journal. 44(12). 1081–1087. 296 indexed citations breakdown →
17.
Kaneko, Tomoatsu, Takashi Okiji, Reika Kaneko, Hideaki Suda, & Jacques E. Nör. (2009). Gene expression analysis of immunostained endothelial cells isolated from formaldehyde‐fixated paraffin embedded tumors using laser capture microdissection—A technical report. Microscopy Research and Technique. 72(12). 908–912. 10 indexed citations
18.
Takenaka, Shoji, et al.. (2005). Shaping Ability of Rotary Nickel-titanium Instruments in Simulated Curved Canals : Effect of Various Apical Preparation Methods on Postoperative Canal Shape. The Journal of Korean Academy of Conservative Dentistry. 48(5). 743–750.
19.
Han, Linlin, Masayoshi Fukushima, Akira Okamoto, & Takashi Okiji. (2004). Enamel micro-cracks produced around restorations with flowable resin composites. The Journal of Korean Academy of Conservative Dentistry. 47. 73. 1 indexed citations
20.
Okiji, Takashi, et al.. (1997). Immunohistochemical Study of the Dental Pulp of Rat Molar Tooth Restored with 4META/TBB Resin. 40. 40. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Imad About Breakdown of academic impact, for papers by Hideaki Suda Breakdown of academic impact, for papers by Márcia Martins Marques Breakdown of academic impact, for papers by Alastair J. Sloan Breakdown of academic impact, for papers by Dingming Huang Breakdown of academic impact, for papers by Kyung‐San Min Breakdown of academic impact, for papers by Sergio Caputi Breakdown of academic impact, for papers by Peter Proff Breakdown of academic impact, for papers by Louis M. Lin Breakdown of academic impact, for papers by Yuxing Bai
Rankless by CCL
2026