Restorative Dentistry & Endodontics

Research Articles

Effects of different curing methods on the color stability of composite resins: Massimo Pisano, Alfredo Iandolo, Dina Abdellatif, Andrea Chiacchio, Marzio Galdi, Stefano Martina; Restor Dent Endod 2024;49(4):e33. Published online September 5, 2024; DOI: https://doi.org/10.5395/rde.2024.49.e33

Objectives

The aim of this study was to compare the effects of different polymerization strategies and the effectiveness of finishing and polishing procedures of composite resins on color stability.

Materials and Methods

The samples were divided into 4 main groups according to the polymerization strategy, and all groups except the control group received surface treatment. Each group was subsequently divided into 3 subgroups respectively: Kuraray Clearfil Majesty ES-2 Classic, Premium and Universal. Approximately 24 hours after preparation of the samples, they were immersed for 7 days in a coffee solution. A first color measurement was performed after the preparation of the samples, the second measurement was performed after 7 days in the coffee solution. All measurements were carried out using a dental spectrophotometer to assess the CIE L* a* b* color parameters.

Results

There was a statistically significant difference between ΔE values for different procedures (p = 0.003); in particular, the differences were found only between the groups that received surface treatment and the control group. In addition, a statistically significant difference was observed between the values of ΔE for different composites in the different procedure groups.

Conclusions

Spectrophotometric analysis showed that the additional photopolymerization and oxygen inhibition procedures did not yield better results in relation to color stability. In addition, finishing and polishing provided better color stability compared to not performing these procedures.

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Abrasiveness and Bleaching Level of Toothpastes on Composite Resins: A Quantitative Analysis Using a Novel Brushing Simulator
Simge Meseli, Elif Alkan, Bora Korkut, Ozlem Kanar, Dilek Tagtekin
Applied Sciences.2025; 15(5): 2314. CrossRef

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Effect of the restorative technique on load-bearing capacity, cusp deflection, and stress distribution of endodontically-treated premolars with MOD restoration: Daniel Maranha da Rocha, João Paulo Mendes Tribst, Pietro Ausiello, Amanda Maria de Oliveira Dal Piva, Milena Cerqueira da Rocha, Rebeca Di Nicoló, Alexandre Luiz Souto Borges; Restor Dent Endod 2019;44(3):e33. Published online August 7, 2019; DOI: https://doi.org/10.5395/rde.2019.44.e33

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Objectives

To evaluate the influence of the restorative technique on the mechanical response of endodontically-treated upper premolars with mesio-occluso-distal (MOD) cavity.

Materials and Methods

Forty-eight premolars received MOD preparation (4 groups, n = 12) with different restorative techniques: glass ionomer cement + composite resin (the GIC group), a metallic post + composite resin (the MP group), a fiberglass post + composite resin (the FGP group), or no endodontic treatment + restoration with composite resin (the CR group). Cusp strain and load-bearing capacity were evaluated. One-way analysis of variance and the Tukey test were used with α = 5%. Finite element analysis (FEA) was used to calculate displacement and tensile stress for the teeth and restorations.

Results

MP showed the highest cusp (p = 0.027) deflection (24.28 ± 5.09 µm/µm), followed by FGP (20.61 ± 5.05 µm/µm), CR (17.72 ± 6.32 µm/µm), and GIC (17.62 ± 7.00 µm/µm). For load-bearing, CR (38.89 ± 3.24 N) showed the highest, followed by GIC (37.51 ± 6.69 N), FGP (29.80 ± 10.03 N), and MP (18.41 ± 4.15 N) (p = 0.001) value. FEA showed similar behavior in the restorations in all groups, while MP showed the highest stress concentration in the tooth and post.

Conclusions

There is no mechanical advantage in using intraradicular posts for endodontically-treated premolars requiring MOD restoration. Filling the pulp chamber with GIC and restoring the tooth with only CR showed the most promising results for cusp deflection, failure load, and stress distribution.

Citations

Citations to this article as recorded by

Influence of endodontic access cavity design on mechanical properties of a first mandibular premolar tooth: a finite element analysis study
Taha Özyürek, Gülşah Uslu, Burçin Arıcan, Mustafa Gündoğar, Mohammad Hossein Nekoofar, Paul Michael Howell Dummer
Clinical Oral Investigations.2024;[Epub] CrossRef
Comparison of the Effect of Different Cavity Designs and Temporary Restoration Materials on the Fracture Resistance of Upper Premolars, Undergone Re-treatment: An In-Vitro Study
Parnian Alavinejad, Mohammad Yazdizadeh, Ali Mombeinipour, Ebrahim Karimzadeh
Proceedings of the National Academy of Sciences, India Section B: Biological Sciences.2024; 94(3): 677. CrossRef
Fracture resistance and failure mode of endodontically treated premolars reconstructed by different preparation approaches: Cervical margin relocation and crown lengthening with complete and partial ferrule with three different post and core systems
Mehran Falahchai, Naghmeh Musapoor, Soroosh Mokhtari, Yasamin Babaee Hemmati, Hamid Neshandar Asli
Journal of Prosthodontics.2024; 33(8): 774. CrossRef
Comparison of the stress distribution in base materials and thicknesses in composite resin restorations
Min-Kwan Jung, Mi-Jeong Jeon, Jae-Hoon Kim, Sung-Ae Son, Jeong-Kil Park, Deog-Gyu Seo
Heliyon.2024; 10(3): e25040. CrossRef
Fracture resistance and failure pattern of endodontically treated maxillary premolars restored with transfixed glass fiber post: an in vitro and finite element analysis
Saleem Abdulrab, Greta Geerts, Ganesh Thiagarajan
Computer Methods in Biomechanics and Biomedical Engineering.2024; 27(4): 419. CrossRef
Influence of size-anatomy of the maxillary central incisor on the biomechanical performance of post-and-core restoration with different ferrule heights
Domingo Santos Pantaleón, João Paulo Mendes Tribst, Franklin García-Godoy
The Journal of Advanced Prosthodontics.2024; 16(2): 77. CrossRef
Influence of internal angle and shape of the lining on residual stress of Class II molar restorations
Qianqian Zuo, Annan Li, Haidong Teng, Zhan Liu
Computer Methods in Biomechanics and Biomedical Engineering.2024; 27(5): 680. CrossRef
The influence of horizontal glass fiber posts on fracture strength and fracture pattern of endodontically treated teeth: A systematic review and meta‐analysis of in vitro studies
Saleem Abdulrab, Greta Geerts, Sadeq Ali Al‐Maweri, Mohammed Nasser Alhajj, Hatem Alhadainy, Raidan Ba‐Hattab
Journal of Prosthodontics.2023; 32(6): 469. CrossRef
Stress distribution of a novel bundle fiber post with curved roots and oval canals
Deniz Yanık, Nurullah Turker
Journal of Esthetic and Restorative Dentistry.2022; 34(3): 550. CrossRef
The Effect of Endodontic Treatment and Thermocycling on Cuspal Deflection of Teeth Restored with Different Direct Resin Composites
Cansu Atalay, Ayse Ruya Yazici, Aynur Sidika Horuztepe, Emre Nagas
Conservative Dentistry and Endodontic Journal.2022; 6(2): 38. CrossRef
The use of different adhesive filling material and mass combinations to restore class II cavities under loading and shrinkage effects: a 3D-FEA
P. Ausiello, S. Ciaramella, A. De Benedictis, A. Lanzotti, J. P. M. Tribst, D. C. Watts
Computer Methods in Biomechanics and Biomedical Engineering.2021; 24(5): 485. CrossRef
Biomechanical Analysis of a Custom-Made Mouthguard Reinforced With Different Elastic Modulus Laminates During a Simulated Maxillofacial Trauma
João Paulo Mendes Tribst, Amanda Maria de Oliveira Dal Piva, Pietro Ausiello, Arianna De Benedictis, Marco Antonio Bottino, Alexandre Luiz Souto Borges
Craniomaxillofacial Trauma & Reconstruction.2021; 14(3): 254. CrossRef
Mechanical Assessment of Glass Ionomer Cements Incorporated with Multi-Walled Carbon Nanotubes for Dental Applications
Manuela Spinola, Amanda Maria Oliveira Dal Piva, Patrícia Uchôas Barbosa, Carlos Rocha Gomes Torres, Eduardo Bresciani
Oral.2021; 1(3): 190. CrossRef
Stress Concentration of Endodontically Treated Molars Restored with Transfixed Glass Fiber Post: 3D-Finite Element Analysis
Alexandre Luiz Souto Borges, Manassés Tercio Vieira Grangeiro, Guilherme Schmitt de Andrade, Renata Marques de Melo, Kusai Baroudi, Laís Regiane Silva-Concilio, João Paulo Mendes Tribst
Materials.2021; 14(15): 4249. CrossRef
Computer Aided Design Modelling and Finite Element Analysis of Premolar Proximal Cavities Restored with Resin Composites
Amanda Guedes Nogueira Matuda, Marcos Paulo Motta Silveira, Guilherme Schmitt de Andrade, Amanda Maria de Oliveira Dal Piva, João Paulo Mendes Tribst, Alexandre Luiz Souto Borges, Luca Testarelli, Gabriella Mosca, Pietro Ausiello
Materials.2021; 14(9): 2366. CrossRef
Effect of Shrinking and No Shrinking Dentine and Enamel Replacing Materials in Posterior Restoration: A 3D-FEA Study
Pietro Ausiello, Amanda Maria de Oliveira Dal Piva, Alexandre Luiz Souto Borges, Antonio Lanzotti, Fausto Zamparini, Ettore Epifania, João Paulo Mendes Tribst
Applied Sciences.2021; 11(5): 2215. CrossRef
Effect of Fiber-Reinforced Composite and Elastic Post on the Fracture Resistance of Premolars with Root Canal Treatment—An In Vitro Pilot Study
Jesús Mena-Álvarez, Rubén Agustín-Panadero, Alvaro Zubizarreta-Macho
Applied Sciences.2020; 10(21): 7616. CrossRef

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