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Maier E, Ruben J, Palin WM, Bronkhorst E, Olmos M, Matta RE, Loomans B. Developing an optimised method for accurate wear testing of dental materials using the 'Rub&Roll' device. Sci Rep 2024; 14:17885. [PMID: 39095406 PMCID: PMC11297336 DOI: 10.1038/s41598-024-68873-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 07/29/2024] [Indexed: 08/04/2024] Open
Abstract
Dental materials are challenged by wear processes in the oral environment and should be evaluated in laboratory tests prior to clinical use. Many laboratory wear-testing devices are high-cost investments and not available for cross-centre comparisons. The 'Rub&Roll' wear machine enables controlled application of force, chemical and mechanical loading, but the initial design was not able to test against rigid antagonist materials. The current study aimed to probe the sensitivity of a new 'Rub&Roll' set-up by evaluating the effect of force and test solution parameters (deionized water; water + abrasive medium; acid + abrasive medium) on the wear behaviour of direct and indirect dental resin-based composites (RBCs) compared with human molars against 3D-printed rod antagonists. Molars exhibited greater height loss than RBCs in all test groups, with the largest differences recorded with acidic solutions. Direct RBCs showed significantly greater wear than indirect RBCs in the groups containing abrasive media. The acidic + abrasive medium did not result in increased wear of RBC materials. The developed method using the 'Rub&Roll' wear machine in the current investigation has provided a sensitive wear test method to allow initial screening of resin-based composite materials compared with extracted human molars under the influence of different mechanical and erosive challenges.
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Affiliation(s)
- Eva Maier
- Department of Operative Dentistry and Periodontology, University Hospital Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Glueckstrasse 11, 91054, Erlangen, Germany.
- Department of Dentistry, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - Jan Ruben
- Department of Dentistry, Radboud University Medical Center, Nijmegen, The Netherlands
| | - William M Palin
- Dental and Biomaterials Science, School of Dentistry, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Ewald Bronkhorst
- Department of Dentistry, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Manuel Olmos
- Department of Oral and Cranio-Maxillofacial Surgery, University Hospital Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Ragai Edward Matta
- Department of Prosthodontics, University Hospital Erlangen, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Bas Loomans
- Department of Dentistry, Radboud University Medical Center, Nijmegen, The Netherlands
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Maier E, Grottschreiber C, Knepper I, Opdam N, Petschelt A, Loomans B, Lohbauer U. Evaluation of wear behavior of dental restorative materials against zirconia in vitro. Dent Mater 2022; 38:778-788. [PMID: 35459553 DOI: 10.1016/j.dental.2022.04.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/23/2021] [Accepted: 04/01/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To evaluate two-body wear (2BW) and three-body wear (3BW) of different CAD/CAM and direct restorative materials against zirconia using a dual-axis chewing simulator and an ACTA wear machine. METHODS 3 CAD-CAM resin-based composite or polymer infiltrated ceramic network blocs, 1 lithium disilicate CAD-CAM ceramic (LS2), 3 direct resin composites, amalgam and bovine enamel were tested. For 2BW, 8 flat specimens per material were produced, grinded, polished, stored wet (37 °C, 28d) and tested (49 N, 37 °C, 1,200,000 cycles) against zirconia. For 3BW, specimens (n = 10) were stored accordingly, and tested against a zirconia antagonist wheel (3Y-TZP, d = 20 mm, h = 6 mm; 200,000 cycles, F = 15 N, f = 1 Hz, 15% slip) in millet seed suspension. Wear resistance was analysed in a 3D optical non-contact profilometer, measuring vertical wear depth and volume loss for 2BW and mean wear depth and roughness (Ra) for 3BW. Vickers hardness (15 s, HV2) was measured. Statistical analysis was performed using non-parametric tests (Mann-Whitney-U test, p < 0.05). RESULTS 2BW and 3BW have a different impact on material surfaces. Similar wear resistance was observed for direct and indirect resin based materials with analogous filler configurations in both methods. Bovine enamel exhibited the best wear resistance in 2BW, but the least wear resistance in 3BW against zirconia. Regarding 2BW, a direct/indirect composite material pair of the same manufacturer showed the significantly highest mean volume losses (2.72/2.85 mm³), followed by LS2 (1.41 mm³). LS2 presented the best wear resistance in 3BW (mean wear depth 2.85 µm), combined with the highest mean Vickers hardness (598 MPa). No linear correlation was found between Vickers hardness and both wear testing procedures. The zirconia antagonists showed no recordable signs of wear. SIGNIFICANCE Dental restorative materials behave differently in 2BW and 3BW laboratory testing. Vickers hardness testing alone cannot hold for a correlation with wear behavior of materials. Micromorphological investigation of material composition can reveal insights in wear mechanisms related to variations in filler technologies.
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Affiliation(s)
- Eva Maier
- Friedrich-Alexander Universität Erlangen-Nürnberg, Dental Clinic 1 - Operative Dentistry and Periodontology, Laboratory for Dental Biomaterials, Erlangen, Germany; Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Dentistry, Nijmegen, The Netherlands.
| | - Christine Grottschreiber
- Friedrich-Alexander Universität Erlangen-Nürnberg, Dental Clinic 1 - Operative Dentistry and Periodontology, Laboratory for Dental Biomaterials, Erlangen, Germany
| | - Ines Knepper
- Friedrich-Alexander Universität Erlangen-Nürnberg, Dental Clinic 1 - Operative Dentistry and Periodontology, Laboratory for Dental Biomaterials, Erlangen, Germany
| | - Niek Opdam
- Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Dentistry, Nijmegen, The Netherlands
| | - Anselm Petschelt
- Friedrich-Alexander Universität Erlangen-Nürnberg, Dental Clinic 1 - Operative Dentistry and Periodontology, Laboratory for Dental Biomaterials, Erlangen, Germany
| | - Bas Loomans
- Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Dentistry, Nijmegen, The Netherlands
| | - Ulrich Lohbauer
- Friedrich-Alexander Universität Erlangen-Nürnberg, Dental Clinic 1 - Operative Dentistry and Periodontology, Laboratory for Dental Biomaterials, Erlangen, Germany
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Branco AC, Colaço R, Figueiredo-Pina CG, Serro AP. A State-of-the-Art Review on the Wear of the Occlusal Surfaces of Natural Teeth and Prosthetic Crowns. MATERIALS 2020; 13:ma13163525. [PMID: 32785120 PMCID: PMC7476047 DOI: 10.3390/ma13163525] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/31/2020] [Accepted: 08/06/2020] [Indexed: 11/16/2022]
Abstract
This review focuses on the wear mechanisms of natural and restorative dental materials, presenting a comprehensive description and analysis of the works published in the last two decades on the wear at the interface of occlusal surfaces. Different groups of tribological pairs were considered: tooth-tooth, tooth-restorative material (tooth-ceramic, tooth-resin-based-materials, and tooth-metal), and restorative-restorative materials. The lack of standardization of the wear tests impairs the direct comparison of the obtained results. However, it was possible to infer about the main wear mechanisms observed on the different classes of dental materials. Concerning ceramics, their toughness and surface finishing determines the wear of antagonist tooth. Abrasion revealed to be the main wear mechanisms at occlusal interface. In the case of resin-based composites, the cohesion of the organic matrix and the nature, shape, and amount of filler particles greatly influences the dental wear. The protruding and detachment of the filler particles are the main causes of abrasion of antagonist enamel. Metallic materials induce lower wear on antagonist enamel than the other classes of materials, because of their low hardness and high ductility. Most of the studies revealed plastic deformation and adhesive wear as the main wear mechanisms. Overall, more research in this area is needed for a better understanding of the mechanisms involved at the occlusal surfaces wear. This would be essential for the development of more suitable restoration materials.
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Affiliation(s)
- Ana Catarina Branco
- Centro de Química Estrutural (CQE), Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal; (A.C.B.); (A.P.S.)
- Centro de Desenvolvimento de Produto e Transferência de Tecnologia (CDP2T), Department of Mechanical Engineering, Instituto Politécnico de Setúbal, 2910-761 Setúbal, Portugal
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, 2829-511 Caparica, Portugal
| | - Rogério Colaço
- Instituto de Engenharia Mecânica (IDMEC), Department of Mechanical Engineering, Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal;
| | - Célio Gabriel Figueiredo-Pina
- Centro de Desenvolvimento de Produto e Transferência de Tecnologia (CDP2T), Department of Mechanical Engineering, Instituto Politécnico de Setúbal, 2910-761 Setúbal, Portugal
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, 2829-511 Caparica, Portugal
- Centro de Física e Engenharia de Materiais Avançados (CeFEMA), Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal
- Correspondence:
| | - Ana Paula Serro
- Centro de Química Estrutural (CQE), Instituto Superior Técnico, University of Lisbon, 1049-001 Lisbon, Portugal; (A.C.B.); (A.P.S.)
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, 2829-511 Caparica, Portugal
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Frankenberger R, Reinelt C, Glatthöfer C, Krämer N. Clinical performance and SEM marginal quality of extended posterior resin composite restorations after 12 years. Dent Mater 2020; 36:e217-e228. [DOI: 10.1016/j.dental.2020.03.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 01/21/2020] [Accepted: 03/27/2020] [Indexed: 02/07/2023]
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Yu P, Xiong Y, Zhao P, Xu Z, Yu H, Arola D, Gao S. On the wear behavior and damage mechanism of bonded interface: Ceramic vs resin composite inlays. J Mech Behav Biomed Mater 2019; 101:103430. [PMID: 31557660 DOI: 10.1016/j.jmbbm.2019.103430] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/09/2019] [Accepted: 09/12/2019] [Indexed: 02/05/2023]
Abstract
Advances in adhesive technologies have increased indications for the use of inlays. Decrease in the bonded interface integrity due to wear has been cited as the main cause of its failure. However, this process of interface degradation and the influence of inlay material on damage mechanism appear to be poorly understood. Thus, we aimed to compare the wear behavior and interface damage between ceramic and resin composite inlays bonded to enamel under sliding contact and use the experimental findings to support recommendation of the appropriate inlay material. Bonded interface specimens involving tooth enamel and either ceramic or resin composite inlays were prepared and subjected to reciprocating wear tests up to 5×104 cycles. The wear track profiles and morphologies were characterized after increments of cyclic sliding contact using white light interferometry and scanning electron microscopy, respectively. Optical microscopy was used to evaluate sub-surface cracks and their propagation within the samples. A finite element analysis was used to analyze the stress distributions of the bonded interfaces. Composite inlays showed higher wear depth than the ceramic in the early stage (N ≤ 5×102 cycles), while no significant difference was found at the later stage. For ceramic inlay a greater portion of the contact load was concentrated in the ceramic structure, which facilitated cracks and chipping of the ceramic inlay, with rather minimal damage in the adjacent interface and enamel. In contrast, for the resin composite inlay there was larger stress concentrated in the adjacent enamel, which caused the development of cracks and their propagation to the inner enamel. The restoration material could contribute to the stress distribution and extent of damage within enamel-inlay bonded interfaces. A tough ceramic appears to be more effective at protecting the residual dental tissue.
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Affiliation(s)
- Ping Yu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yuhuan Xiong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Peng Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhou Xu
- Shanghai Putuo District Eye & Tooth Disease Control and Prevention Hospital, Shanghai, China
| | - Haiyang Yu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Dwayne Arola
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, USA; Departments of Oral Health Sciences, School of Dentistry, University of Washington, Seattle, WA, USA; Departments of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, WA, USA
| | - Shanshan Gao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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Wegehaupt FJ, Attin T. [Tooth Erosions Associated with Gastroesophageal Reflux: Cause, Prevention and Restorative Therapy]. PRAXIS 2019; 108:307-313. [PMID: 30940043 DOI: 10.1024/1661-8157/a003184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Tooth Erosions Associated with Gastroesophageal Reflux: Cause, Prevention and Restorative Therapy Abstract. Dental erosions are caused by the recurring contact of solutions which are unsaturated in tooth minerals,ith hard tooth substances. This initially leads to softening and later to an irreversible loss of hard tooth substance. Erosion is observed particularly with excessive consumption of acidic foods (e.g. soft drinks or citrus fruits) but also in connection with gastrointestinal (gastroesophageal reflux disease) or psychosomatic diseases (anorexia nervosa or bulimia nervosa). The aim of this article is to define dental erosions, their causes, prevalence and consequences as well as possible preventive measures. Based on a clinical example of a patient with reflux-related erosions, a therapy option with direct composite tooth build-up is presented.
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Affiliation(s)
- Florian J Wegehaupt
- 1 Klinik für Präventivzahnmedizin, Parodontologie und Kariologie, Zentrum für Zahnmedizin, Universität Zürich
| | - Thomas Attin
- 1 Klinik für Präventivzahnmedizin, Parodontologie und Kariologie, Zentrum für Zahnmedizin, Universität Zürich
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Wulfman C, Koenig V, Mainjot AK. Wear measurement of dental tissues and materials in clinical studies: A systematic review. Dent Mater 2018; 34:825-850. [PMID: 29627079 DOI: 10.1016/j.dental.2018.03.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 03/04/2018] [Accepted: 03/12/2018] [Indexed: 11/30/2022]
Abstract
OBJECTIVES This study aims to systematically review the different methods used for wear measurement of dental tissues and materials in clinical studies, their relevance and reliability in terms of accuracy and precision, and the performance of the different steps of the workflow taken independently. METHODS An exhaustive search of clinical studies related to wear of dental tissues and materials reporting a quantitative measurement method was conducted. MedLine, Embase, Scopus, Cochrane Library and Web of Science databases were used. Prospective studies, pilot studies and case series (>10 patients), as long as they contained a description of wear measurement methodology. Only studies published after 1995 were considered. RESULTS After duplicates' removal, 495 studies were identified, and 41 remained for quantitative analysis. Thirty-four described wear-measurement protocols, using digital profilometry and superimposition, whereas 7 used alternative protocols. A specific form was designed to analyze the risk of bias. The methods were described in terms of material analyzed; study design; device used for surface acquisition; matching software details and settings; type of analysis (vertical height-loss measurement vs volume loss measurement); type of area investigated (entire occlusal area or selective areas); and results. SINIFICANCE There is a need of standardization of clinical wear measurement. Current methods exhibit accuracy, which is not sufficient to monitor wear of restorative materials and tooth tissues. Their performance could be improved, notably limiting the use of replicas, using standardized calibration procedures and positive controls, optimizing the settings of scanners and matching softwares, and taking into account unusable data.
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Affiliation(s)
- C Wulfman
- Unité de Recherches en Biomatériaux Innovants et Interfaces (URB2i) - EA442, Faculté de Chirurgie Dentaire, Université Paris Descartes, Sorbonne Paris Cité and Service d'odontologie, Hôpital Albert Chenevier, Assistance Publique - Hôpitaux de Paris, France.
| | - V Koenig
- Dental Biomaterials Research Unit (d-BRU) and Department of Fixed Prosthodontics, Institute of Dentistry, University of Liège (ULiège) and University of Liège Hospital (CHU), Liège, Belgium
| | - A K Mainjot
- Dental Biomaterials Research Unit (d-BRU) and Department of Fixed Prosthodontics, Institute of Dentistry, University of Liège (ULiège) and University of Liège Hospital (CHU), Liège, Belgium
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Shinkai K, Taira Y, Suzuki S, Kawashima S, Suzuki M. Effect of filler size and filler loading on wear of experimental flowable resin composites. J Appl Oral Sci 2018; 26:e20160652. [PMID: 29412366 PMCID: PMC5777406 DOI: 10.1590/1678-7757-2016-0652] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 04/19/2017] [Indexed: 11/30/2022] Open
Abstract
The relationship between wear resistance and filler size or filler loading was clarified for the universal resin composite; however, their relationship in flowable resin composites has not been clarified.
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Affiliation(s)
- Koichi Shinkai
- The Nippon Dental University School of Life Dentistry at Niigata, Department of Operative Dentistry, Niigata, Japan
| | - Yoshihisa Taira
- The Nippon Dental University School of Life Dentistry at Niigata, Department of Operative Dentistry, Niigata, Japan
| | - Shiro Suzuki
- The Nippon Dental University School of Life Dentistry at Niigata, Department of Operative Dentistry, Niigata, Japan.,University of Alabama at Birmingham, School of Dentistry, Department of Clinical and Community Sciences, Birmingham, United States of America
| | - Satoki Kawashima
- The Nippon Dental University School of Life Dentistry at Niigata, Department of Operative Dentistry, Niigata, Japan
| | - Masaya Suzuki
- The Nippon Dental University School of Life Dentistry at Niigata, Department of Operative Dentistry, Niigata, Japan
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