Niek Opdam

10.5k total citations · 7 hit papers
129 papers, 7.4k citations indexed

About

Niek Opdam is a scholar working on Orthodontics, Oral Surgery and Periodontics. According to data from OpenAlex, Niek Opdam has authored 129 papers receiving a total of 7.4k indexed citations (citations by other indexed papers that have themselves been cited), including 117 papers in Orthodontics, 42 papers in Oral Surgery and 40 papers in Periodontics. Recurrent topics in Niek Opdam's work include Dental materials and restorations (116 papers), Dental Erosion and Treatment (62 papers) and Dental Health and Care Utilization (38 papers). Niek Opdam is often cited by papers focused on Dental materials and restorations (116 papers), Dental Erosion and Treatment (62 papers) and Dental Health and Care Utilization (38 papers). Niek Opdam collaborates with scholars based in Netherlands, Brazil and Germany. Niek Opdam's co-authors include Ewald M. Bronkhorst, Bas Loomans, Maximiliano Sérgio Cenci, M.C.D.N.J.M. Huysmans, Flávio Fernando Demarco, Marcos Britto Corrêa, Rafael R. Moraes, F.J.M. Roeters, Joost Roeters and Kauê Collares and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of Dental Research and Journal of Endodontics.

In The Last Decade

Niek Opdam

128 papers receiving 7.1k citations

Hit Papers

5 papers align trajectories

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.

Longevity of posterior composite restorations: Not only a matter of materials

2011 763 citations Flávio Fernando Demarco, Marcos Britto Corrêa et al. Dental Materials profile →
Longevity of Posterior Composite Restorations

2014 537 citations Niek Opdam, Ewald M. Bronkhorst et al. Journal of Dental Research profile →
12-year Survival of Composite vs. Amalgam Restorations

2010 412 citations Niek Opdam, Ewald M. Bronkhorst et al. Journal of Dental Research profile →
Anterior composite restorations: A systematic review on long-term survival and reasons for failure

2015 271 citations Flávio Fernando Demarco, Kauê Collares et al. Dental Materials profile →
Severe Tooth Wear: European Consensus Statement  on Management Guidelines.

2017 203 citations Bas Loomans, Niek Opdam et al. PubMed profile →
Longevity of composite restorations is definitely not only about materials

2022 111 citations Flávio Fernando Demarco, Maximiliano Sérgio Cenci et al. Dental Materials profile →
Clinical performance of posterior resin composite restorations after up to 33 years

2022 82 citations Kauê Collares, Marcos Britto Corrêa et al. Dental Materials profile →

Peers

Niek Opdam

ORTHO

PERIO

CMT

M.C.D.N.J.M. Huysmans Netherlands

Jan W.V. van Dijken Sweden

Roland Frankenberger Germany

Martin J. Tyas Australia

Edward J. Swift United States

Rafael R. Moraes Brazil

Siegward D. Heintze Liechtenstein

Jorge Perdigão United States

Annette Wiegand Germany

Marcelo Giannini Brazil

M.C.D.N.J.M. Huysmans Netherlands

Niek Opdam

5.4k ×0.8

ORTHO

3.0k ×0.9

1.3k ×0.6

2.3k ×1.6

PERIO

717 ×1.3

CMT

Citations per year, relative to Niek Opdam Niek Opdam (= 1×) peers M.C.D.N.J.M. Huysmans

Countries citing papers authored by Niek Opdam

Since Specialization

Citations

This map shows the geographic impact of Niek Opdam'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 Niek Opdam with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Niek Opdam more than expected).

Fields of papers citing papers by Niek Opdam

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Niek Opdam. 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 Niek Opdam. The network helps show where Niek Opdam may publish in the future.

Co-authorship network of co-authors of Niek Opdam

This figure shows the co-authorship network connecting the top 25 collaborators of Niek Opdam. A scholar is included among the top collaborators of Niek Opdam 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 Niek Opdam. Niek Opdam is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Wierichs, Richard Johannes, Enno J. Kramer, B Reiss, et al.. (2025). Practice-Based Study on CAD/CAM Inlays, Onlays, and Crowns: Longevity and Risks. Journal of Dental Research. 104(11). 1218–1227.

Huysmans, M.C.D.N.J.M., Margherita Fontana, Adrian Lussi, et al.. (2024). European Organisation for Caries Research and the European Federation of Conservative Dentistry Consensus Report on Clinical Recommendations for Caries Diagnosis: Paper III – Caries Diagnosis at the Individual Level. Caries Research. 58(5). 521–532. 2 indexed citations

Opdam, Niek, et al.. (2024). An in vitro evaluation of the fatigue behavior of resin composite materials as part of a translational research cycle. Dental Materials. 40(9). 1409–1416. 2 indexed citations

Wetselaar, Peter, Frank Lobbezoo, Ralph de Vries, et al.. (2023). Developing diagnostic criteria for tooth wear, a preliminary beta version based on expert opinion, and a narrative literature review. Journal of Oral Rehabilitation. 50(10). 1030–1042. 8 indexed citations

Opdam, Niek, et al.. (2022). Randomised controlled trial on testing an increased vertical dimension of occlusion prior to restorative treatment of tooth wear. Journal of Oral Rehabilitation. 50(4). 267–275. 7 indexed citations

Collares, Kauê, Marcos Britto Corrêa, Flávio Fernando Demarco, et al.. (2022). Clinical performance of posterior resin composite restorations after up to 33 years. Dental Materials. 38(4). 680–688. 82 indexed citations breakdown →

Heck, Katrin, Alexander Crispin, Roland Frankenberger, et al.. (2022). Evaluation of direct restorations using the revised FDI criteria: results from a reliability study. Clinical Oral Investigations. 27(4). 1519–1528. 2 indexed citations

Mehta, Shamir B., Ewald M. Bronkhorst, Verônica P. Lima, et al.. (2021). The effect of pre-treatment levels of tooth wear and the applied increase in the vertical dimension of occlusion (VDO) on the survival of direct resin composite restorations.. Journal of Dentistry. 111. 103712–103712. 21 indexed citations

Demarco, Flávio Fernando, Marcos Britto Corrêa, Maximiliano Sérgio Cenci, et al.. (2020). Practice based research in dentistry: an alternative to deal with clinical questions. SHILAP Revista de lepidopterología. 34(suppl 2). e071–e071. 11 indexed citations

10.

Laske, Mark, Niek Opdam, Ewald M. Bronkhorst, Jozé Braspenning, & M.C.D.N.J.M. Huysmans. (2019). Risk Factors for Dental Restoration Survival: A Practice-Based Study. Journal of Dental Research. 98(4). 414–422. 69 indexed citations

11.

Casagrande, Luciano, Mark Laske, Ewald M. Bronkhorst, M.C.D.N.J.M. Huysmans, & Niek Opdam. (2017). Repair may increase survival of direct posterior restorations – A practice based study. Journal of Dentistry. 64. 30–36. 49 indexed citations

12.

Lynch, Christopher D., Paul Brunton, Reinhard Hickel, et al.. (2016). Criteria for the Replacement of Restorations: Academy of Operative Dentistry European Section. Operative Dentistry. 41(S7). S48–S57. 54 indexed citations

13.

Coelho-de-Souza, Fábio Herrmann, et al.. (2015). Direct anterior composite veneers in vital and non-vital teeth: A retrospective clinical evaluation. Journal of Dentistry. 43(11). 1330–1336. 50 indexed citations

14.

Skupien, Jovito Adiel, Niek Opdam, Ewald M. Bronkhorst, et al.. (2013). A Practice-based Study on the Survival of Restored Endodontically Treated Teeth. Journal of Endodontics. 39(11). 1335–1340. 55 indexed citations

15.

Demarco, Flávio Fernando, Marcos Britto Corrêa, Maximiliano Sérgio Cenci, Rafael R. Moraes, & Niek Opdam. (2011). Longevity of posterior composite restorations: Not only a matter of materials. Dental Materials. 28(1). 87–101. 763 indexed citations breakdown →

16.

Loomans, Bas, Marcio Vivan Cardoso, Niek Opdam, et al.. (2011). Surface roughness of etched composite resin in light of composite repair. Journal of Dentistry. 39(7). 499–505. 65 indexed citations

17.

Loomans, Bas, Niek Opdam, F.J.M. Roeters, Ewald M. Bronkhorst, & R.C.W. Burgersdijk. (2006). Comparison of Proximal Contacts of Class II Resin Composite Restorations In Vitro. Operative Dentistry. 31(6). 688–693. 49 indexed citations

18.

Opdam, Niek, et al.. (2003). Voids and porosities in class I micropreparations filled with various resin composites.. PubMed. 28(1). 9–14. 49 indexed citations

19.

Opdam, Niek & F.J.M. Roeters. (1996). Approximal margins of class 2 composite resin restoration in-vivo: A visual, radiographic and SEM evaluation. Journal of Dental Research. 75. 185–185. 1 indexed citations

20.

Roeters, F.J.M. & Niek Opdam. (1995). Microleakage in Box-Type Class-2 Resin Composite Restorations. Journal of Dental Research. 74. 427–427. 2 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.

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