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Maubach C, Rudolph H, Happe A, Luthardt RG, Kuhn K, Blender SM. Influence of the Composition of Provisional Luting Materials on the Bond Strength of Temporary Single-Tooth Crowns on Titanium Abutments. MATERIALS (BASEL, SWITZERLAND) 2024; 17:4239. [PMID: 39274629 PMCID: PMC11396488 DOI: 10.3390/ma17174239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Revised: 08/11/2024] [Accepted: 08/12/2024] [Indexed: 09/16/2024]
Abstract
In addition to zinc oxide-based cements, resin-based materials are also available for temporary cementation. The aim of this in vitro study was to determine the influence of the different material compositions on temporary bonds. In nine test series (n = 30), temporary bis-acrylate single-tooth crowns were bonded onto prefabricated titanium abutments with nine different temporary luting materials. After simulating an initial (24 h, distilled water, 37 °C), a short-term (7 days, distilled water, 37 °C) and a long-term provisional restoration period (12h, distilled water, 37 °C; thermocycling: 5000 cycles) in subgroups (n = 10), the bond strength was examined using a combined tensile-shear test. Statistical analysis was performed by univariate analysis of variance or a non-parametric Kruskal-Wallis test, followed by post hoc tests. Of the three resin-based materials, two showed significantly higher bond strength values compared to all other materials (p < 0.001), regardless of the storage procedure. The resin-based materials were followed by eugenol-free and eugenol-containing zinc oxide materials. Significant intragroup differences were observed between the composite-based materials after all storage periods. This was only observed for some of the zinc oxide-based materials. The results show that under in vitro conditions, not only the composition of the temporary luting materials but also the different storage conditions have a significant influence on temporary bonds.
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Affiliation(s)
- Christina Maubach
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, 89081 Ulm, Germany
| | - Heike Rudolph
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, 89081 Ulm, Germany
| | - Arndt Happe
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, 89081 Ulm, Germany
- Private Practice, 48143 Münster, Germany
| | - Ralph G Luthardt
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, 89081 Ulm, Germany
| | - Katharina Kuhn
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, 89081 Ulm, Germany
| | - Sarah M Blender
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, 89081 Ulm, Germany
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2
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Günther E, Hahnel S, Schrock A, Schierz O, Wolter S. Biological interaction, esthetics, handling, and loss rate of temporary luting cements - a clinical single-blind randomized controlled trial. Clin Oral Investig 2024; 28:429. [PMID: 39001891 PMCID: PMC11246268 DOI: 10.1007/s00784-024-05804-1] [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: 04/25/2024] [Accepted: 06/24/2024] [Indexed: 07/15/2024]
Abstract
OBJECTIVES To evaluate three temporary luting cements in terms of their restoration loss rates, biological interactions, esthetic properties, and handling characteristics. MATERIALS AND METHODS 75 adults requiring fixed prosthodontics voluntarily participated in a single-blind, randomized controlled trial. After preparation, temporary restorations were luted with a randomly selected temporary luting cement (either Provicol QM Plus (PQP), Bifix Temp (BT), or Provicol QM Aesthetic (PQA)). Clinical examinations were performed one to two weeks after cementation. The following criteria were evaluated: tooth vitality, percussion, hypersensitivity, gingival bleeding, odor formation, esthetics, cement handling, removability, cleanability, and retention loss. Antagonistic teeth served as controls. Statistical analysis was performed using the paired t-test, one-way ANOVA, Pearson's chi-square and Fisher's exact test, where appropriate. RESULTS The overall loss rate of temporary restorations was 16.0%, showing no cement-specific differences. Postoperative hypersensitivity occurred in 8% of cases regardless of cement type. Esthetic impairment was reported by 31% of the PQP-fixed restorations, compared with 4.0% and 4.2% of the BT and PQA-bonded restorations. Cement application was reported to be easy in 100% of cases, excess removal in 88-96%, depending on the cement used. CONCLUSIONS The choice of luting material affects the esthetic appearance of a temporary restoration and should be considered, particularly in restorations in esthetically demanding areas. No significant differences between the cements were identified regarding biocompatibility, handling, and loss rate. CLINICAL RELEVANCE Translucent cements can help to reduce color interferences, resulting in a more appealing appearance of the temporary restoration.
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Affiliation(s)
- Elena Günther
- Department of Prosthetic Dentistry and Dental Materials Science, Leipzig University, Liebigstraße 12, 04103, Leipzig, Germany.
| | - Sebastian Hahnel
- Department of Prosthetic Dentistry, Regensburg University Medical Center, Franz-Josef-Strauß-Allee 11, 93042, Regensburg, Germany
| | - Annett Schrock
- Department of Prosthetic Dentistry and Dental Materials Science, Leipzig University, Liebigstraße 12, 04103, Leipzig, Germany
| | - Oliver Schierz
- Department of Prosthetic Dentistry and Dental Materials Science, Leipzig University, Liebigstraße 12, 04103, Leipzig, Germany
- Department of Prosthetic Dentistry and Materials Science, Medical Faculty, University of Rostock, Strempelstraße 13, 18057, Rostock, Germany
| | - Sophia Wolter
- Department of Prosthetic Dentistry and Dental Materials Science, Leipzig University, Liebigstraße 12, 04103, Leipzig, Germany
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Khaitan A, Mondal P, Mandal K, Das J, Karmakar D, Das S. A comparative evaluation of the effect of eugenol exposure time on the bond strength of an etch-and-rinse and a self-etch adhesive to dentin: An in vitro study. JOURNAL OF CONSERVATIVE DENTISTRY AND ENDODONTICS 2024; 27:621-625. [PMID: 38989483 PMCID: PMC11232768 DOI: 10.4103/jcde.jcde_136_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 07/12/2024]
Abstract
Aim The study aimed to comparatively evaluate the effect of eugenol exposure time on the micro-shear bond strength (μ-SBS) of etch-and-rinse and a self-etch adhesive to dentin. Materials and Methods One hundred and twelve teeth samples were prepared from bisectioning 56 freshly extracted human mandibular molars and were randomly divided into 14 subgroups of 8 samples each (n = 8). Three subgroups containing eugenol and a noneugenol-based restorative material were placed on the dentin surface and left for 24 h, 7 days, and 14 days, respectively, and were compared to a control. Two bonding systems were evaluated: one being etch-and-rinse and the other self-etch adhesive. The μ-SBS were calculated and expressed in MPa. Statistical Analysis The data were analyzed using mixed model analysis of variance. The level of statistical significance was set at 5%. Results There was a statistically significant reduction in the μ-SBS values when the self-etch adhesive was used, after the removal of eugenol-containing cement placed for 24 h. However, the reduction in the μ-SBS values after 7 days or 14 days was not significant. Conclusion Exposure to eugenol containing temporary cement for 24 h significantly reduces the μ-SBS of self-etching adhesives to dentin. However, exposure for 1 week or more has minimal effects.
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Affiliation(s)
- Anshuman Khaitan
- Department of Conservative Dentistry and Endodontics, Dr. R. Ahmed Dental College and Hospital, Kolkata, West Bengal, India
| | - Parthasarathi Mondal
- Department of Conservative Dentistry and Endodontics, Dr. R. Ahmed Dental College and Hospital, Kolkata, West Bengal, India
| | - Kurchi Mandal
- Department of Conservative Dentistry and Endodontics, Dr. R. Ahmed Dental College and Hospital, Kolkata, West Bengal, India
| | - Joydeep Das
- Department of Conservative Dentistry and Endodontics, Dr. R. Ahmed Dental College and Hospital, Kolkata, West Bengal, India
| | - Debjyoti Karmakar
- Department of Conservative Dentistry and Endodontics, North Bengal Dental College and Hospital, Darjeeling, West Bengal, India
| | - Snigdho Das
- Department of Dentistry, Ramakrishna Sarada Mission Matri Bhavan Hospital, Kolkata, West Bengal, India
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Nesello R, Jahnke LT, Krabbe WM, Agnol CAD, Santini MF, Silveira LM, Miotti L, Só MVR, da Rosa RA. A new method of adhesive system application improves the bond strength between fiber post and root dentin. Braz Dent J 2024; 35:e245720. [PMID: 38775593 PMCID: PMC11086611 DOI: 10.1590/0103-6440202405720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 01/05/2024] [Indexed: 05/25/2024] Open
Abstract
This study evaluated a new method of adhesive system application on the bond strength between fiber post and root dentin using two adhesive systems. The canals of sixty bovine incisors were prepared and obturated. The roots were divided into six groups (n=10) according to the adhesive system (Clearfil SE - CSE and Single Bond Universal - SBU) and the application strategy (microbrush - MB; rotary brush - RB; and ultrasonic tip - US). The glass fiber posts were cemented with resin cement (RelyX ARC). The roots were sectioned perpendicularly to their long axis, and three slices per root were obtained. Previously to the push-out test, confocal laser scanning microscopy (CLSM) was performed to illustrate the interfacial adaptation of the cement to the root canal walls. Failure patterns were analyzed with 40x magnification. Shapiro-Wilk indicated a normal distribution of the data. The bond strength values were compared using one-way ANOVA and Tukey's tests. Student's T test analyzed the differences between the adhesive systems within each third and protocol. A significance level of 5% was used. CSE with RB showed higher mean bond strength values compared to MB (conventional technique) (P < 0.05). US application resulted in intermediate bond strength values for CSE (P > 0.05). The application of SBU using RB generated higher mean bond strength values compared to MB and US (P < 0.05). Adhesive failures were predominant (65.5%). CSE and SBU application with the new rotary brush improved the bond strength of fiber posts to root dentin compared to the conventional strategy.
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Affiliation(s)
- Rafael Nesello
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Leonardo Thomasi Jahnke
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Wesley Misael Krabbe
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Charles André Dall Agnol
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - Lucas Machado Silveira
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Leonardo Miotti
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Marcus Vinícius Reis Só
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Ricardo Abreu da Rosa
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
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Ellakany P, Abualsaud R, Gad MM, Atteya S, El Meligy OA, Qutub OA, Mahrous AA. Knowledge of Saudi dental students and interns towards luting cements and their applications in fixed prosthodontics. BMC Oral Health 2023; 23:337. [PMID: 37254115 DOI: 10.1186/s12903-023-03054-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 05/17/2023] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND Enhancement of students' knowledge is essential in improving their clinical skills and performance. Thus, the curriculum should be prepared to achieve a better outcome. The current study aimed to determine the dental students' and interns' basic knowledge towards dental luting cements and their application in dental practice to improve the theoretical and clinical training sections. MATERIALS AND METHODS A cross-sectional study was conducted among dental students and interns at three Colleges of Dentistry in the Kingdom of Saudi Arabia between September 2019-June 2020. An online questionnaire was used which included demographic data, questions about luting cement usage, cementation techniques, and commonly used cements in dental clinics. Descriptive analysis and chi-square test were used to show the association between level of dental education and the use of dental cements using SPSS software. The significance level was set at 5%. RESULTS The total respondents were 626 dental students/interns of whom 78.8% were undergraduate dental students. Participants who reported undergraduate studies as the source of information were 79.7%. The type of restoration was the main factor in luting cement selection (62.6%). Concerning the isolation technique in cementing laminate veneers, 49.7% used dri-angles, cotton rolls and saliva ejectors. Dual-cure resin cement was the most common cement used in all the mentioned restorations except in pressed porcelain laminate veneers and cement-retained implant-supported restorations. CONCLUSIONS Students' knowledge and practice in managing dental implants and porcelain laminate veneers need to be improved. The selection of a luting agent for a given restoration by students and interns was based on the basic knowledge, available cement, and the type of restoration. Awareness towards the management of short prepared teeth and custom-made cast posts and cores is also limited.
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Affiliation(s)
- Passent Ellakany
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Reem Abualsaud
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mohammed M Gad
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Sara Atteya
- Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Champollion St, Azarita, 21527, Alexandria, Egypt.
| | - Omar A El Meligy
- Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Champollion St, Azarita, 21527, Alexandria, Egypt
- Department of Pediatric Dentistry, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Osama A Qutub
- Department of Oral and Maxillofacial Prosthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Amr A Mahrous
- Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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Effect of Temporary Cement, Surface Pretreatment and Tooth Area on the Bond Strength of Adhesively Cemented Ceramic Overlays-An In Vitro Study. Dent J (Basel) 2023; 11:dj11010019. [PMID: 36661557 PMCID: PMC9858129 DOI: 10.3390/dj11010019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/22/2022] [Accepted: 12/30/2022] [Indexed: 01/09/2023] Open
Abstract
Several viewpoints have been reported regarding the effect of temporary cements, different surface pretreatment protocols before adhesive cementation, and predictive factors. This in vitro study tested if temporary cement, pretreatment of the tooth surface, the size of enamel or dentine influence adhesive cementation to zirconia ceramics. Twenty premolars were prepared for determination of enamel and dentin area, bond strength test and failure analysis. The samples were divided into two groups: untreated prior adhesive cementation (n = 10) and with temporary cementation done, pretreated prior adhesive cementation (n = 10). Zirconia overlays (Katana Zirconia STML) were cemented on the grounded flat teeth surfaces using Panavia V5. An additional six premolars underwent dentine tubule analysis with SEM to detect temporary cement residues after temporary cementation on an untreated tooth surface (n = 3) and on a pretreated surface (n = 3). The independent sample t-test was used to compare the two groups and the means of the total tooth, dentin or enamel areas did not differ significantly between the untreated and pretreated specimens. The mean tensile bond strength was significantly (p = 0.005) higher in the pretreated specimens (337N) than in the untreated ones (204N). The overall multivariable linear regression model with three predictors (surface pre-treatment, enamel area and dentine area) was significant (p = 0.003), among which the size of enamel was the strongest predictor (β = 0.506; p = 0.049), followed by the pretreatment effect (β = 0.478; p = 0.001) and the size of dentin area (β = -0.105; p = 0.022).
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7
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Leung GKH, Wong AWY, Chu CH, Yu OY. Update on Dental Luting Materials. Dent J (Basel) 2022; 10:208. [PMID: 36354653 PMCID: PMC9689175 DOI: 10.3390/dj10110208] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/24/2022] [Accepted: 11/01/2022] [Indexed: 08/26/2023] Open
Abstract
A dental luting material aids in the retention and stability of indirect restorations on the prepared tooth structure. In dentistry, clinicians are using a wide range of luting materials for the cementation of indirect restorations. Zinc oxide eugenol and non-eugenol cements, zinc phosphate cement, zinc polycarboxylate cement, glass ionomer cement and resin cements are common dental cements used in dentistry. Each luting material or cement possesses unique properties and clinical implications. An ideal luting cement should be biocompatible, insoluble, resistant to thermal and chemical assaults, antibacterial, aesthetic, simple and easy to use. It should have high strength properties under tension, shear and compression to resist stress at the restoration-tooth interface, as well as adequate working and setting times. So far, no luting material possesses all of these properties of an ideal cement. Scientists have been modifying the conventional luting cements to improve the material's clinical performance and developing novel materials for clinical use. To achieve the best clinical outcome, clinicians should update their knowledge and gain a good understanding of the luting materials so that they can make a wise clinical decision on the material selection and obtain an insight into the development of luting cements. Therefore, the objective of this study is to provide a discussion on the physical, chemical, adhesive and aesthetic properties of common luting materials. The clinical indications of these luting materials are suggested based on their properties. In addition, overviews of the modification of the conventional luting materials and the newly developed luting materials are provided.
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Affiliation(s)
| | | | | | - Ollie Yiru Yu
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, 34 Hospital Road, Sai Ying Pun, Hong Kong, China
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Rosa E Silva VL, Silva FASD, Alves Dos Santos GN, Assis HCD, Souza-Gabriel AE, Silva-Sousa YTC, Lopes-Olhê FC, Sousa-Neto MD, Mazzi-Chaves JF. The impact of provisional intraradicular retainers cementation with temporary methacrylate-based resin in the bond strength of glass fiber posts to root dentin. J Mech Behav Biomed Mater 2022; 135:105486. [PMID: 36182677 DOI: 10.1016/j.jmbbm.2022.105486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 11/15/2022]
Abstract
Chemical composition of temporary cements interferes in the bond strength and quality of the bond interface of glass fiber posts to root dentin. The aim of the present study was to evaluate the influence of different temporary cements on the bond strength of fiberglass posts and resin cement. Thirty-two maxillary central incisor roots were standardized at 15 mm length. The root canals were prepared with Reciproc R50 and filled with a R50 single cone and AH Plus. Ten mm of filling material was removed with a heated Schilder condenser, leaving 5 mm of apical filling material. The roots were randomly distributed into 4 groups (n = 8). In the control group, the root canal was prepared with a standard drill according to the post diameter (DC #1, FGM, Joinville, Brazil), irrigated with 5 mL of distilled water and immediately received the fiberglass post cemented with self-adhesive resin cement. For the other groups, cores were made with temporary intraradicular retainers cemented with different temporary cements: methacrylate-based resin (Bifix Temp - Voco), calcium hydroxide-based (Provicol - Voco) and zinc oxide-based - eugenol-free (Relyx Temp NE - 3M). After 7 days, mechanical removal of the temporary retainers, preparation, irrigation of the root canal and cementation of the fiberglass post were performed, following the same protocol that had been performed in the control group. The roots were sectioned to obtain 3 slices per root third. The most cervical section of each third was used for the push-out test and failure pattern analysis, while the most apical section was subjected to analysis of the adhesive interface by scanning electron microscopy (SEM). The BS data were compared between groups using the two-way ANOVA and Tukey post-test. The failure pattern results were expressed in percentage and compared between groups using the chi-square test and the material adaptation data at the bond interface were evaluated using the Kruskal-Wallis and Dwass-Steel-Critchlow-Fligner tests. The results showed higher BS in the cervical third, with a higher value in the control group (10.8 ± 0.94) and Bifix Temp group (9.78 ± 0.71), with no statistically significant difference between these groups (P > .05). The middle and apical thirds showed no statistically significant difference (P > .05). As regards the type of failure, a higher percentage of mixed adhesive failures was observed for all groups. Analysis of the adhesive interface by SEM showed that the temporary cement Bifix Temp showed greater adaptation at the bond interface. It was concluded that the methacrylate-based resin temporary cement showed the highest bond strength values and best adaptation to root dentin than the zinc oxide-based and calcium hydroxide-based temporary cements.
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Affiliation(s)
- Vinicius Leite Rosa E Silva
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Fábio Augusto Soares da Silva
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Guilherme Nilson Alves Dos Santos
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Helena Cristina de Assis
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Aline Evangelista Souza-Gabriel
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | | | - Fabiane Carneiro Lopes-Olhê
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Manoel D Sousa-Neto
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil
| | - Jardel Francisco Mazzi-Chaves
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo (USP), Ribeirão Preto, São Paulo, Brazil.
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9
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Ebadian B, Jowkar M, Davoudi A, Fathi A, Ziaei M, Berg E. The effect of different cleansing methods for removing temporary cement on the tensile bond force of permanently cemented implant-supported metal copings: An in vitro study. Clin Exp Dent Res 2022; 8:1002-1007. [PMID: 35618682 PMCID: PMC9382040 DOI: 10.1002/cre2.593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 05/06/2022] [Accepted: 05/14/2022] [Indexed: 11/10/2022] Open
Abstract
Objectives Complete cleaning of temporary cement before permanent cementation of cement‐retained implant‐supported prosthesis (CISP) when recementing the crown is critical. This study evaluated the effect of different cleaning methods for removing traces of temporary cement on the final tensile bond force (TBF) of CISP recemented with resin cement. Materials and Methods Seventy computer‐aided design/computer‐aided manufacturing metal implant‐supported copings were prepared and distributed into seven groups (N = 10). Copings of six groups (60 samples) were cemented with temporary cement with eugenol and subjected to 5000 thermocycling. After debonding by a universal testing machine, the internal surfaces of the copings were cleaned using one of the six following methods: 1‐an ultrasonic water bath (UW), 2‐sandblasting, then washing with water (SW), 3‐sandblasting and an ultrasonic water bath (SUW), 4‐an ultrasonic isopropyl alcohol bath (UA), 5‐sandblasting, then washing with isopropyl alcohol (SA) or 6‐sandblasting and an ultrasonic isopropyl alcohol bath (SUA). Then the subjects were subsequently cemented by dual‐cure self‐adhesive resin cement. In the seventh group (control, N = 10), the copings were cemented by dual‐cure self‐adhesive resin cement without the temporization phase. The TBF was tested using a universal testing machine with a cross‐head speed of 1 mm/min. Two‐way analysis of variance (ANOVA) and post‐hoc Tamhane tests were used for statistical analysis at a significance level of α = .05. Results The maximum mean of TBF value was observed in SUA group (845 ± 203 N), and the minimum was observed in the temporary cement group (49 ± 20 N). All groups which were cleaned with isopropyl alcohol showed significantly higher TBF values compared with those cleaned with water. Conclusions Cleaning of the inner surface of metal copings after debonding with sandblasting and isopropyl alcohol results in the highest value of TBF by eliminating the effect of remaining eugenol and removing traces of temporary cements.
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Affiliation(s)
- Behnaz Ebadian
- Department of Prosthodontics, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Jowkar
- Department of Prosthodontics, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amin Davoudi
- Department of Prosthodontics, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Amirhossein Fathi
- Department of Prosthodontics, Dental Materials Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Ziaei
- Department of Prosthodontics, Dental Materials Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Einar Berg
- Department of Prosthodontics, Bergen University, Bergen, Norway
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10
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Nesello R, Silva IA, Bem IAD, Bischoff K, Souza MA, Só MVR, Rosa RAD. Effect of bioceramic root canal sealers on the bond strength of fiber posts cemented with resin cements. Braz Dent J 2022; 33:91-98. [PMID: 35508041 PMCID: PMC9645158 DOI: 10.1590/0103-6440202204529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 02/25/2022] [Indexed: 11/22/2022] Open
Abstract
This study aimed to evaluate the influence of calcium silicate-based sealers on
the bond strength of fiber posts using conventional and self-adhesive resin
cement. Sixty single-rooted teeth were selected. The canals were prepared with a
reciprocating instrument 40.06. The roots were randomly distributed in six
groups (n = 10) according to the strategies for root canal filling and fiber
posts cementation: AH Plus/RelyX ARC; AH Plus/RelyX U200; Bio C Sealer/RelyX
ARC; Bio C Sealer/RealyX U200; Sealer Plus BC/RelyX ARC; and Sealer Plus
BC/RelyX U200. The roots were transversally sectioned, and one slice per
post-third was obtained. The push-out test was performed at a crosshead speed of
1mm/min. The failure patterns were described after assessment with a
stereomicroscope with a 10× magnification. Bond strength was calculated and
analyzed using the ANOVA and Tukey test. AH Plus did not influence the bond
strength of fiber posts cemented with conventional (RelyX ARC) or with
self-adhesive resin cement (RelyX U200). The lowest bond strength values were
obtained when calcium silicate-based sealers were associated with conventional
resin cement (Bio C Sealer/RelyX ARC and Sealer Plus BC/RelyX ARC). Except for
Sealer Plus BC/RelyX ARC, all groups presented lower bond strength at the apical
portion compared to the cervical portion of the post. Adhesive failures between
cement and post and cement and dentin were predominant (55.3%). Calcium
silicate-based sealers decreased the bond strength of fiber posts cemented with
conventional resin cement.
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11
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Ghodsi S, Arzani S, Shekarian M, Aghamohseni M. Cement selection criteria for full coverage restorations: A comprehensive review of literature. J Clin Exp Dent 2021; 13:e1154-e1161. [PMID: 34824703 PMCID: PMC8601696 DOI: 10.4317/jced.58671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/24/2021] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Proper cement selection in fixed prosthesis plays a determinative role in providing long-term serviceability, retention, caries prevention, and patient satisfaction. This study, reviews different luting agent characteristics and their application based on different clinical situations and different types of full coverage restorations. MATERIAL AND METHODS An electronic search was conducted through PubMed, Medline, and Google scholar using following keywords or combinations: restoration, full coverage, PFM, porcelain fused to metal, all ceramic, zirconia, ceramic, casting, fixed partial denture, cement*, dental cement, cement selection, and retention. The most related articles were selected for review. RESULTS Choosing a proper luting agent is highly dependent on scientific knowledge regarding the characteristics of restorative materials and luting agents. Conventional cements could be indicated in various situations; however, some restorative materials or clinical situations call for resin-cements to provide predictable retention, support, and durability. CONCLUSIONS Conscious selection of retentive cement for each type of restoration/material is necessary to provide predictable successful treatment and reduce the potential complications. Key words:Adhesive cement, dental bridgework, dental cements, dental crowns, dental porcelain, prostheses and implants.
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Affiliation(s)
- Safoura Ghodsi
- Dentist, Dental Research Center, Isfahan (Khorasgan) Islamic Azad University of medical sciences, Arghavanieh Blvd, Isfahan, Iran
| | - Sarah Arzani
- Dentistry Student, Department of Prosthodontics, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
- Student Research Committee, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - Mina Shekarian
- Dentistry Student, Department of Prosthodontics, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
- Student Research Committee, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - MohammadMostafa Aghamohseni
- Dentistry Student, Department of Prosthodontics, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
- Student Research Committee, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
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Elbishari H, Elsubeihi ES, Alkhoujah T, Elsubeihi HE. Substantial in-vitro and emerging clinical evidence supporting immediate dentin sealing. JAPANESE DENTAL SCIENCE REVIEW 2021; 57:101-110. [PMID: 34354787 PMCID: PMC8322125 DOI: 10.1016/j.jdsr.2021.05.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 03/26/2021] [Accepted: 05/27/2021] [Indexed: 02/07/2023] Open
Abstract
The application of resin adhesive to freshly cut dentin after teeth preparation, the so-called immediate dentin sealing (IDS) has been suggested as an alternative to the delayed dentin sealing (DDS), a technique in which resin adhesive is applied just before final bonding of indirect restorations. The aim of this review is to demonstrate the evidence of the claimed advantages made by the proponents of IDS technique. The results of this review revealed substantial in-vitro evidence supporting the IDS benefits including improved bond strength, reduced dentin permeability, improved restorations’ adaptation, and increased fracture strength of the restorations. Clinical studies have shown that IDS improves survival of ceramic laminate veneers bonded to prepared teeth with increased exposure of dentin. Moreover, it has been shown that IDS reduces post-cementation hypersensitivity in full coverage restorations, which is characterized by exposure of a large number of dentinal tubules. The selection of filled resin adhesive that is capable of producing thick adhesive layer appears to contribute to the success of the technique. Furthermore, careful management of the oxygen inhibition layer before conventional impression making and proper cleaning of the residual temporary cement used with provisional restorations appears to affect the outcome of the restorations.
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Affiliation(s)
- Haitham Elbishari
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine & Health Sciences, P.O. Box 505055, Dubai, United Arab Emirates
| | | | - Taif Alkhoujah
- Ajman University, P.O. Box 346, Ajman, United Arab Emirates
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Samartzi TK, Papalexopoulos D, Sarafianou A, Kourtis S. Immediate Dentin Sealing: A Literature Review. Clin Cosmet Investig Dent 2021; 13:233-256. [PMID: 34188553 PMCID: PMC8232880 DOI: 10.2147/ccide.s307939] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/20/2021] [Indexed: 02/04/2023] Open
Abstract
Purpose The immediate application of a dentin-bonding agent after tooth preparation and before impression-taking (immediate dentin sealing [IDS]) has been suggested to provide several advantages concerning bacterial microleakage, hypersensitivity, and bonding quality. We reviewed the literature and clarified certain aspects related to each step of IDS application. Materials and Methods The search strategy comprised an electronic research in MEDLINE, Cochrane, Ovid and Scopus for studies published from January 1990 to December 2020 regarding the IDS technique and including both in vitro and clinical studies. Results After exclusion of irrelevant or duplicate articles, 88 articles focusing on aspects of the IDS technique were assessed. IDS seems to be advantageous with regard to bond strength, gap formation, bacterial microleakage, and dentin hypersensitivity. However, issues arising from interaction with impression materials, the provisional phase, and conditioning methods before cementation require further investigation. Conclusion There are no documented reasons preventing clinicians applying IDS in their everyday practice. On the contrary, the presented technique seems to be beneficial in certain aspects regarding indirect restorations.
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Affiliation(s)
| | | | - Aspasia Sarafianou
- Department of Prosthodontics, National and Kapodistrian University of Athens, Athens, Greece
| | - Stefanos Kourtis
- Department of Prosthodontics, National and Kapodistrian University of Athens, Athens, Greece
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Beyabanaki E, Mohajerfar M, Nouri N, Hooshmand T. Microleakage of different temporary luting agents used for cementing provisional restorations on custom cast posts and cores. Dent Res J (Isfahan) 2021. [DOI: 10.4103/1735-3327.313117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Determining the Effects of Eugenol on the Bond Strength of Resin-Based Restorative Materials to Dentin: A Meta-Analysis of the Literature. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10031070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of this study was to determine whether the residual presence of eugenol in coronal dentin may compromise the bond strength of resin-based restorative materials. A search was performed on MEDLINE/Pubmed, Scopus, and by hand search for relevant papers. No restriction was applied for language and publication date. The studies selected for analysis tested specimens with reduced size (micro-shear bond strength (µSBS) and micro-tensile bond strength (µTBS)) of adhesive systems and resin-based restorative materials applied to coronary dentin “contaminated” with eugenol-based materials. The search provided 335 articles, but only 10 studies met the inclusion criteria. The pooled global analysis showed a significant influence of eugenol, as it negatively influenced the bond strength of resin-based restorations (5.79 (3.31–8.28) MPa, p < 0.00001). The subgroup analyses for conventional etch-and-rinse (p = 0.003) and self-etch (p < 0.0004) adhesive systems, as well as for µSBS (p = 0.01) and µTBS (p < 0.0001), showed a negative influence of eugenol on the bond strength. Data were statistically heterogeneous. However, it was possible to observe that eugenol could negatively affect the bonding of resin-based restorative materials to dentin. Further evidence is necessary in order to acquire more accurate information about this issue and confirm that the residual presence of eugenol in dentin compromises the bond strength of resin-based materials.
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Hayashi K, Maeno M, Nara Y. Influence of immediate dentin sealing and temporary restoration on the bonding of CAD/CAM ceramic crown restoration. Dent Mater J 2019; 38:970-980. [PMID: 31434832 DOI: 10.4012/dmj.2018-313] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study examined the influences of clinical application of immediate dentin sealing (IDS) and temporary restoration (TR) on prepared abutment surfaces on the bonding of computer-aided design/computer-aided manufacturing (CAD/CAM) ceramic crown restorations after cyclic loading. Standardized abutments were prepared in 60 human mandibular premolars. Dentin surfaces of half of the specimens were sealed with adhesive and flowable composite, while those of the other half were not sealed. A half of both sealed and non-sealed specimens were restored using a temporary cement and temporary crown. Each individual CAD/CAM ceramic crown was fabricated and cemented to an individual abutment. The restored specimens were subjected to cyclic loading, and the micro tensile bond strengths (μ-TBS) were measured. IDS contributed to an increase in the bond strength, whereas TR did not affect the bond strength. IDS restoration without TR yielded the maximum bond reliability in achieve specific μ-TBS values for the restoration and ensuring durability against debonding.
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Affiliation(s)
- Kotaro Hayashi
- Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University
| | - Masahiko Maeno
- Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University
| | - Yoichiro Nara
- Department of Adhesive Dentistry, School of Life Dentistry at Tokyo, The Nippon Dental University
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Dutra-Correa M, Bezerra C, Campos C, Leite J, Fernandes M, Coury Saraceni C, Rodrigues F. On the understanding of zinc-oxide eugenol cement use prior to etch-rinse bonding strategies. Indian J Dent Res 2019; 30:424-427. [DOI: 10.4103/ijdr.ijdr_302_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Influence of immediate dentin sealing and interim cementation on the adhesion of indirect restorations with dual-polymerizing resin cement. J Prosthet Dent 2018; 119:678.e1-678.e8. [PMID: 29678248 DOI: 10.1016/j.prosdent.2018.02.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 02/06/2018] [Accepted: 02/06/2018] [Indexed: 11/21/2022]
Abstract
STATEMENT OF PROBLEM Dentin surface contamination before the cementation of indirect restorations may impact bonding effectiveness. PURPOSE The purpose of this in vitro study was to analyze the influence of immediate dentin sealing (IDS) and interim cementation on the adhesion of indirect restorations with a dual-polymerizing resin cement. MATERIAL AND METHODS Composite resin inlays were placed in class V cavities prepared in the buccal and lingual surfaces of 30 extracted human molars with a dual-polymerizing resin cement in 3 different ways (n=10): CG, directly on dentin; PG, after 14 days interim cementation; SG, after IDS and 14 days interim cementation. Buccal restorations were sectioned into sticks and submitted to the microtensile bond strength (μTBS) test. Lingual restorations were submitted to micro-Raman spectroscopy (MRS). Data were analyzed with 1-way ANOVA and the Tukey-Kramer post hoc test (α=.05). RESULTS Significantly higher μTBS results were found for SG (35.7 ±8.2 MPa) when compared with CG (23.1 ±7.1 MPa) and PG (17.0 ±6.0 MPa) (P<.05), but no differences were observed between CG and PG. MRS showed that the diffusion zone in SG (3.7 ±0.5 μm) was significantly thicker than that of CG (1.8 ±1.2 μm) or PG (1.5 ±0.3 μm) (P<.05). Additionally, a new interface peak (at approximately 1330 cm-1) was found in SG, indicating a chemical interaction. CONCLUSIONS The use of IDS before cementation resulted in a chemical interaction at the interface and significantly higher μTBS and diffusion zone thickness values. Interim cementation did not interfere with adhesion quality when compared with the control group.
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Alabdulkader MA, Habib SR. Effect of cement application techniques on the adaptation and retention of provisional crowns. Technol Health Care 2018; 26:945-955. [PMID: 30124460 DOI: 10.3233/thc-181351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND A well-made and properly cemented provisional restoration is essential for the health of abutment teeth and periodontium. Few focused studies are available on the effect of cementation techniques on the fit as well as on the retention of the provisional crowns. OBJECTIVE To investigate the effect of six cement application techniques on the adaptation and retention of provisional crowns. METHODS Seventy-two provisional crowns (Bisacryl resin) were fabricated over identical self-cured resin dies and were divided into six groups (N= 72; 6 ×n= 12) of cement application techniques (Temp Bond NE, Kerr Corporation). Group-A (Bulk Fill); Group-B (Cement on inner walls); Group-C (Cement on axial walls); Group-D (Cement on crown margin); Group-E (Cement on tooth margin); Group-F (Cement with vent-holes). Adaptation was assessed before and after cementation with digital caliper (0.001 mm). Universal testing machine was used for retention measurement in Mega Pascal's (MPa). Data was analyzed by SPSS using Paired T-Test and Tukey's test (p< 0.05). RESULTS The highest and lowest difference between the two measurements was observed for the Group A (0.095 mm) and Group C (0.030 mm) respectively. Paired T-Test revealed significance (p< 0.05) between before and after cementation. Group-F (0.6094 MPa) and Group-E (0.1858 MPa) showed the highest and lowest retention respectively. Group-E (Cement on tooth margin) with lowest retention significantly differed (Tukey's Test; p< 0.05) from other groups. CONCLUSIONS Bulk filling of the provisional crown with luting cement significantly increases the adaptation discrepancies. Discrepancies are more when luting cement is applied on the occlusal surface of the crowns. However, it didn't influence the retention of the crowns. Cement application on axial walls and cervical third of intaglio surface of crowns was the method of choice with regards to adaptation and retention combined. Addition of vent-holes improved the adaptation with best possible retention.
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Affiliation(s)
| | - Syed Rashid Habib
- Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia
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20
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AlZain S, Kattadiyil MT, AlHelal A, Alqahtani A. Effect of Intraoral Mechanical Cleaning Techniques on Bond Strength of Cast Crowns to Metal Cores. J Prosthodont 2017; 29:69-73. [PMID: 29194830 DOI: 10.1111/jopr.12721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/08/2017] [Indexed: 11/30/2022] Open
Abstract
PURPOSE To evaluate the effect of cleaning of metal cores from provisional cement, using an intraoral airborne-particle abrasion method, on the bond strength of permanent resin cement with cast crowns to cores. MATERIALS AND METHODS Thirty stainless steel models of a standard complete crown tooth preparation were fabricated. Thirty Type III gold crowns were fabricated. Each cast crown corresponded to one stainless steel crown preparation model. All crowns were cemented with noneugenol zinc oxide cement and stored for 7 days at 37°C. All crowns were debonded, and the cement was cleaned with airborne-particle abrasion using 50 µm aluminum oxide at 4.1 bar (0.41 MPa) followed by ultrasonic cleaning. Based on the mechanical cleaning technique of the remaining provisional cement on surfaces of cast cores, specimens were equally divided into 3 groups: hand cleaning (HC) with a dental excavator, hand cleaning followed by polishing using a brush and pumice (BP), and hand cleaning followed by intraoral airborne-particle abrasion (APA). All crowns were then cemented to their corresponding cores using universal resin cement. All crowns were stored for 7 days at 37°C. An Instron universal testing machine was used to record the bond strength of crowns. RESULTS Airborne-particle abrasion method for intraoral mechanical cleaning revealed a statistically significantly higher bond strength compared to the other two methods. CONCLUSIONS When comparing the three methods of provisional cement cleaning from metal cores, airborne-particle abrasion resulted in the highest bond strength for cast crowns.
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Affiliation(s)
- Sahar AlZain
- College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Mathew T Kattadiyil
- Department of Prosthodontics, Loma Linda University School of Dentistry, Loma Linda, CA
| | - Abdulaziz AlHelal
- Department of Prosthodontics, Loma Linda University School of Dentistry, Loma Linda, CA
| | - Ali Alqahtani
- Department of Prosthodontics, Loma Linda University School of Dentistry, Loma Linda, CA
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21
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Effect of different endodontic sealers and time of cementation on push-out bond strength of fiber posts. Clin Oral Investig 2017; 22:1403-1409. [DOI: 10.1007/s00784-017-2230-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 09/28/2017] [Indexed: 10/18/2022]
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Román-Rodríguez JL, Millan-Martínez D, Fons-Font A, Agustín-Panadero R, Fernández-Estevan L. Traction test of temporary dental cements. J Clin Exp Dent 2017; 9:e564-e568. [PMID: 28469824 PMCID: PMC5410679 DOI: 10.4317/jced.53732] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 02/08/2017] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Classic self-curing temporary cements obstruct the translucence of provisional restorations. New dual-cure esthetic temporary cements need investigation and comparison with classic cements to ensure that they are equally retentive and provide adequate translucence. The objective is to analyze by means of traction testing in a in vitro study the retention of five temporary cements. MATERIAL AND METHODS Ten molars were prepared and ten provisional resin restorations were fabricated using CAD-CAM technology (n=10). Five temporary cements were selected: self-curing temporary cements, Dycal (D), Temp Bond (TB), Temp Bond Non Eugenol (TBNE); dual-curing esthetic cements Temp Bond Clear (TBC) and Telio CS link (TE). Each sample underwent traction testing, both with thermocycling (190 cycles at 5-55º) and without thermocycling. RESULTS TE and TBC obtained the highest traction resistance values. Thermocycling reduced the resistance of all cements except TBC. CONCLUSIONS The dual-cure esthetic cements tested provided optimum outcomes for bonding provisional restorations. Key words:Temporary dental cements, cements resistance.
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Affiliation(s)
- Juan-Luis Román-Rodríguez
- Doctor in Dentistry (DDS; PhD). Master Buccofacial Prosthetics (M.Sc). Associate Lecturer, Department of Dental medicine, Prosthodontic and Occlusion Teaching Unit, University of Valencia General Studies (UVGS), Spain
| | | | - Antonio Fons-Font
- Doctor in Dentistry (DDS; PhD). Assistant Lecturer, Department of Dental medicine, Prosthodontic and Occlusion Teaching Unit, UVGS, Spain
| | - Rubén Agustín-Panadero
- Doctor in Dentistry (DDS; PhD). Master Buccofacial Prosthetics (M.Sc). Associate Lecturer, Department of Dental medicine, Prosthodontic and Occlusion Teaching Unit , UVGS, Spain
| | - Lucía Fernández-Estevan
- Doctor in Dentistry (DDS; PhD). Master Buccofacial Prosthetics (M.Sc). Associate Lecturer, De-partment of Dental medicine, Prosthodontic and Occlusion Teaching Unit, UVGS, Spain
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Jordão-Basso KCF, Kuga MC, Bandéca MC, Duarte MAH, Guiotti FA. Effect of the time-point of acid etching on the persistence of sealer residues after using different dental cleaning protocols. Braz Oral Res 2016; 30:e133. [PMID: 28001242 DOI: 10.1590/1807-3107bor-2016.vol30.0133] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Accepted: 10/10/2016] [Indexed: 11/22/2022] Open
Abstract
Endodontic sealer residues remaining within the pulp chamber dentin after root canal obturation and cleaning with various solvents may compromise the appearance and the durability of dental restorations. Acid etching is routinely performed prior to application of dentine adhesive systems, but is effect on residual sealer material and the optimal time-point for performing etching, are unknown. Here, we evaluated the effect of acid etching on the dentin surface when performed either immediately or 7 days after removal of the endodontic sealer with two solvents, i.e., 95% ethanol or xylol. Forty crowns fragments from bovine incisors were impregnated with sealer and divided into 4 groups (n = 10 each), according to the dentin cleaning protocol and to the acid etching time-point: G1, 95.0% ethanol and immediate acid etching; G2, xylol and immediate acid etching; G3, 95.0% ethanol and acid etching after 7 days; and G4, xylol and acid etching after 7 days. Scanning electron microscopy (SEM) images (2000 ×) were obtained from each specimen and the number of open dentinal tubules counted and compared. Another 40 fragments were similarly prepared, and SEM images were obtained (500 ×) to score and compare the persistence of sealer residues on the dentin. G4 showed the most open dentinal tubules and the least epoxy resin-based sealer residues on the dentin surface (p < 0.05). The least epoxy resin-based sealer residues was obtained when acid etching, using 37% phosphoric acid, was performed after 7 days after cleaning the dentin with xylol.
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Affiliation(s)
| | - Milton Carlos Kuga
- Universidade Estadual Paulista - Unesp, Araraquara Dental School, Restorative Dentistry Department, Araraquara, SP, Brazil
| | | | - Marco Antonio Hungaro Duarte
- Universidade de São Paulo - USP, Bauru Dental School, Dental Material, Dentistry, and Endodontics Department, Bauru, SP, Brazil
| | - Flávia Angélica Guiotti
- Universidade Estadual Paulista - Unesp, Araraquara Dental School, Restorative Dentistry Department, Araraquara, SP, Brazil
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Brigagão VC, Barreto LFD, Gonçalves KAS, Amaral M, Vitti RP, Neves ACC, Silva-Concílio LR. Effect of interim cement application on bond strength between resin cements and dentin: Immediate and delayed dentin sealing. J Prosthet Dent 2016; 117:792-798. [PMID: 27847158 DOI: 10.1016/j.prosdent.2016.09.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 09/22/2016] [Accepted: 09/22/2016] [Indexed: 11/28/2022]
Abstract
STATEMENT OF PROBLEM Despite the advances in materials and techniques, adhesion to dentin is challenging because of the complex composition of dentin's mineral, organic, and fluid phases. PURPOSE The purpose of this in vitro study was to evaluate the bond strength of 2 different resin cements (conventional and self-adhesive) with or without previous dentin sealing and the effect of interim cement. MATERIAL AND METHODS Forty-five molars were embedded into acrylic resin blocks and a flat dentin surface was exposed. Twenty teeth (n=5 per group) were treated with the conventional resin cement associated with etch-and-rinse or self-etch adhesive approaches, applied before (immediate dentin sealing) or after (delayed dentin sealing) the application/removal of interim cement. Another 25 teeth (n=5, per group) were treated with self-adhesive resin cement with (self-etch mode [immediate dentin sealing or delayed dentin sealing]) or without adhesive application. Furthermore, in the self-adhesive resin cement group, the application of polyacrylic acid for dentin etching before cementation was evaluated. Composite resin blocks were cemented onto flat, treated dentin surfaces, and the assemblies were sectioned into bar-shaped specimens for microtensile bond strength testing. The data were subjected to 1-way ANOVA followed by the post-hoc Tukey test (α=.05). The failure patterns were classified as cohesive, adhesive, or mixed. RESULTS The application of adhesive before interim cement (immediate dental sealing) promoted the highest values of bond strength for both resin cements (P<.001). For self-adhesive resin cement, polyacrylic acid-enhanced bond strength after the application of interim cement. CONCLUSIONS The application of dental adhesive immediately after tooth preparation (immediate dentin sealing) and before the use of an interim cement promoted the highest values of bond strength to dentin with the resin cements tested.
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Affiliation(s)
- Vinícius C Brigagão
- Assistant Professor, Department of Fixed Prosthodontics, School of Dentistry, University of Grande Rio, Rio de Janeiro, Brazil
| | - Luis F D Barreto
- Assistant Professor, Department of Fixed Prosthodontics, School of Dentistry, University of Grande Rio, Rio de Janeiro, Brazil
| | - Kellem A S Gonçalves
- Graduate student, School of Dentistry, University of Grande Rio, Rio de Janeiro, Brazil
| | - Marina Amaral
- Assistant Professor, Department of Prostheses, School of Dentistry, University of Taubaté, São Paulo, Brazil.
| | - Rafael P Vitti
- Assistant Professor, Department of Prostheses, School of Dentistry, University of Taubaté, São Paulo, Brazil
| | - Ana C C Neves
- Assistant Professor, Department of Prostheses, School of Dentistry, University of Taubaté, São Paulo, Brazil
| | - Laís R Silva-Concílio
- Assistant Professor, Department of Prostheses, School of Dentistry, University of Taubaté, São Paulo, Brazil
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Peixoto RF, Aguiar CRD, Jacob ES, Macedo AP, Mattos MDGCD, Antunes RPDA. Influence of Temporary Cements on the Bond Strength of Self-Adhesive Cement to the Metal Coronal Substrate. Braz Dent J 2015; 26:637-41. [DOI: 10.1590/0103-6440201300362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 09/17/2015] [Indexed: 11/21/2022] Open
Abstract
This research evaluated the influence of temporary cements (eugenol-containing [EC] or eugenol-free [EF]) on the tensile strength of Ni-Cr copings fixed with self-adhesive resin cement to the metal coronal substrate. Thirty-six temporary crowns were divided into 4 groups (n=9) according to the temporary cements: Provy, Dentsply (eugenol-containing), Temp Cem, Vigodent (eugenol-containing), RelyX Temp NE, 3M ESPE (eugenol-free) and Temp Bond NE, Kerr Corp (eugenol-free). After 24 h of temporary cementation, tensile strength tests were performed in a universal testing machine at a crosshead speed of 0.5 mm/min and 1 kN (100 kgf) load cell. Afterwards, the cast metal cores were cleaned by scraping with curettes and air jet. Thirty-six Ni-Cr copings were cemented to the cast metal cores with self-adhesive resin cement (RelyX U200, 3M ESPE). Tensile strength tests were performed again. In the temporary cementation, Temp Bond NE (12.91±2.54) and Temp Cem (12.22±2.96) presented the highest values of tensile strength and were statistically similar to each other (p>0.05). Statistically significant difference (p<0.05) was observed only between Provy (164.44±31.23) and Temp Bond NE (88.48±21.83) after cementation of Ni-Cr copings with self-adhesive resin cement. In addition, Temp Cem (120.68±48.27) and RelyX Temp NE (103.04±26.09) showed intermediate tensile strength values. In conclusion, the Provy eugenol-containing temporary cement was associated with the highest bond strength among the resin cements when Ni-Cr copings were cemented to cast metal cores. However, the eugenol cannot be considered a determining factor in increased bond strength, since the other tested cements (1 eugenol-containing and 2 eugenol-free) were similar.
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Altmann ASP, Leitune VCB, Collares FM. Influence of Eugenol-based Sealers on Push-out Bond Strength of Fiber Post Luted with Resin Cement: Systematic Review and Meta-analysis. J Endod 2015. [DOI: 10.1016/j.joen.2015.05.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Carvalho EM, Lima DM, Carvalho CN, Loguercio AD, Martinelli JR, Bauer J. Effect of airborne-particle abrasion on dentin with experimental niobophosphate bioactive glass on the microtensile bond strength of resin cements. J Prosthodont Res 2015; 59:129-35. [DOI: 10.1016/j.jpor.2015.01.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 12/16/2014] [Accepted: 01/06/2015] [Indexed: 10/24/2022]
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Malkoç MA, Demİr N, Şengün A, Bozkurt ŞB, Hakki SS. Cytotoxicity of temporary cements on bovine dental pulp-derived cells (bDPCs) using realtime cell analysis. J Adv Prosthodont 2015; 7:21-6. [PMID: 25722833 PMCID: PMC4341182 DOI: 10.4047/jap.2015.7.1.21] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 09/23/2014] [Accepted: 12/03/2014] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To evaluate the cytotoxicity of temporary luting cements on bovine dental pulp-derived cells (bDPCs). MATERIALS AND METHODS Four different temporary cements were tested: Rely X Temp E (3M ESPE), Ultratemp (Ultradent), GC Fuji Temp (GC), and Rely X Temp NE (3M ESPE). The materials were prepared as discs and incubated in Dulbecco's modified eagle's culture medium (DMEM) for 72 hours according to ISO 10993-5. A real-time cell analyzer was used to determine cell vitality. After seeding 200 µL of the cell suspensions into the wells of a 96-well plate, the bDPCs were cured with bioactive components released by the test materials and observed every 15 minutes for 98 hours. One-way ANOVA and Tukey-Kramer tests were used to analyze the results of the proliferation experiments. RESULTS All tested temporary cements showed significant decreases in the bDPCs index. Rely X Temp E, GC Fuji Temp, and Rely X Temp NE were severely toxic at both time points (24 and 72 hours) (P<.001). When the cells were exposed to media by Ultratemp, the cell viability was similar to that of the control at 24 hours (P>.05); however, the cell viability was significantly reduced at 72 hours (P<.001). Light and scanning electron microscopy examination confirmed these results. CONCLUSION The cytotoxic effects of temporary cements on pulpal tissue should be evaluated when choosing cement for luting provisional restorations.
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Affiliation(s)
- Meral Arslan Malkoç
- Department of Prosthodontics, Faculty of Dentistry, İnönü University, Malatya, Turkey
| | - Necla Demİr
- Department of Prosthodontics, Faculty of Dentistry, İnönü University, Malatya, Turkey
| | - Abdulkadir Şengün
- Department of Restorative Dentistry, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey
| | | | - Sema Sezgin Hakki
- Department of Periodontology, Faculty of Dentistry, Selçuk University, Konya, Turkey
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Carvalho EM, Carvalho CN, Loguercio AD, Lima DM, Bauer J. Effect of temporary cements on the microtensile bond strength of self-etching and self-adhesive resin cement. Acta Odontol Scand 2014; 72:762-9. [PMID: 24837710 DOI: 10.3109/00016357.2014.903518] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE The aim of this study was to evaluate the microtensile bond strength (µTBS) of self-etching and self-adhesive resin cement systems to dentin affected by the presence of remnants of either eugenol-containing or eugenol-free temporary cements. MATERIALS AND METHODS Thirty extracted teeth were obtained and a flat dentin surface was exposed on each tooth. Acrylic blocks were fabricated and cemented either with one of two temporary cements, one zinc oxide eugenol (ZOE) and one eugenol free (ZOE-free), or without cement (control). After cementation, specimens were stored in water at 37°C for 1 week. The restorations and remnants of temporary cements were removed and dentin surfaces were cleaned with pumice. Resin composite blocks were cemented to the bonded dentin surfaces with one of two resin cements, either self-etching (Panavia F 2.0) or self-adhesive (RelyX U-100). After 24 h, the specimens were sectioned to obtain beams for submission to µTBS. The fracture mode was evaluated under a stereoscopic loupe and a scanning electron microscope (SEM). Data from µTBS were submitted to two-way repeated-measure ANOVA and the Tukey test (alpha = 0.05). RESULTS The cross-product interaction was statistically significant (p < 0.0003). The presence of temporary cements reduced the bond strength to Panavia self-etching resin cements only (p < 0.05). Fracture occurred predominantly at the dentin-adhesive interface. CONCLUSIONS The presence of eugenol-containing temporary cements did not interfere in the bond strength to dentin of self-adhesive resin cements.
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Falkensammer F, Arnetzl GV, Wildburger A, Krall C, Freudenthaler J. Influence of different conditioning methods on immediate and delayed dentin sealing. J Prosthet Dent 2014; 112:204-10. [PMID: 24787131 DOI: 10.1016/j.prosdent.2013.10.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Revised: 10/23/2013] [Accepted: 10/23/2013] [Indexed: 10/25/2022]
Abstract
STATEMENT OF PROBLEM Data are needed to evaluate the effect of various conditioning methods on immediate and delayed dentin sealing. PURPOSE The purpose of this study was to test bond strength and surface configuration of immediate and delayed dentin sealing surfaces after applying different surface conditioning methods. MATERIAL AND METHODS A total of 96 premolars were allocated to the immediate and delayed groups. The groups differed in the timing of dentin sealing. The immediate-group specimens were sealed with a self-etching adhesive immediately after preparation. The delayed-group specimens were sealed before the final ceramic restoration bonding. Provisional restorations were cemented on immediate-group and delayed-group specimens for 1 week. Four conditioning methods were used: polishing with fluoride-free pumice paste, airborne-particle abrasion with silicoated aluminum oxide, glycin, or calcium carbonate. After 24-hour storage, the shear bond strength was tested. The fractured specimens were optically inspected with a stereomicroscope. An optical 3-dimensional surface analysis was performed for quantitative and qualitative evaluation. A 2-way ANOVA with post hoc Tukey honestly significant difference tests for significant effects was performed to investigate effects of the 2 factors, sealing and conditioning, and their interaction (α=.05). RESULTS Two-way ANOVA found significant differences between the sealing and conditioning groups. The immediate group had significantly lower bond strengths than the delayed group. In all groups, surface polishing produced the highest bond strengths, and airborne-particle abrasion with calcium carbonate produced the lowest. Fracture analysis found more failures in the adhesive layers in the immediate groups and a prevalence of mixed failures in the delayed groups. The surface analysis found significant abrasion and roughness when airborne-particle abrasion with silicoated aluminum oxide was used for immediate and delayed dentin sealing surfaces. CONCLUSIONS Polishing and airborne-particle abrasion with silicoated aluminum oxide or glycin are efficient methods in conditioning immediate and delayed dentin sealing surfaces. Airborne-particle abrasion with silicoated aluminum oxide leaves significant surface alterations on both types of surfaces.
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Affiliation(s)
- Frank Falkensammer
- Postdoctoral Research Fellow, Department of Orthodontics, Bernhard Gottlieb University Clinic of Dentistry, Medical University of Vienna; Postdoctoral Research Fellow, Clinical Department of Dental Prosthetics, School of Dentistry, Medical University of Graz, Graz, Austria.
| | - Gerwin Vincent Arnetzl
- Postdoctoral Research Fellow, Clinical Department of Dental Prosthetics, School of Dentistry, Medical University of Graz, Graz, Austria
| | - Angelika Wildburger
- Postdoctoral Research Fellow, Department of Oral Surgery and Radiology, School of Dentistry, Medical University of Graz, Graz, Austria
| | - Christoph Krall
- Senior staff, Institute of Medical Statistics, Medical University of Vienna, Vienna, Austria
| | - Josef Freudenthaler
- Assistant Head, Department of Orthodontics, Bernhard Gottlieb University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
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Pinto KT, Stanislawczuk R, Loguercio AD, Grande RHM, Bauer J. Effect of exposure time of zinc oxide eugenol restoration on microtensile bond strength of adhesives to dentin. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.rpemd.2014.03.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cytotoxicity testing of temporary luting cements with two- and three-dimensional cultures of bovine dental pulp-derived cells. BIOMED RESEARCH INTERNATIONAL 2013; 2013:910459. [PMID: 23984419 PMCID: PMC3745905 DOI: 10.1155/2013/910459] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2013] [Accepted: 07/08/2013] [Indexed: 11/17/2022]
Abstract
This study evaluated the cytotoxicity of eugenol-containing and eugenol-free temporary luting cements. For cytotoxicity testing, bovine pulp-derived cells transfected with Simian virus 40 Large T antigen were exposed to extracts of eugenol-containing (Rely X Temp E) and eugenol-free (Provicol, PreVISION CEM, and Rely X Temp NE) temporary luting cements for 24 h. The cytotoxicity of the same materials was also evaluated in a dentin barrier test device using three-dimensional cell cultures of bovine pulp-derived cells. The results of the cytotoxicity studies with two-dimensional cultures of bovine dental pulp-derived cells revealed that cell survival with the extracts of Rely X Temp E, Provicol, PreVISION CEM, and Rely X Temp NE was 89.1%, 84.9%, 92.3%, and 66.8%, respectively. Rely X Temp NE and Provicol showed cytotoxic effects on bovine dental pulp-derived cells (P < 0.05). The results of the dentin barrier test revealed that cell survival with the above-mentioned temporary cement was 101.5%, 91.9%, 93.5%, and 90.6%, respectively. None of the temporary luting cements significantly reduced cell survival compared with the negative control in the dentin barrier test (P > 0.05). Biologically active materials released from temporary luting cements may not influence the dentine-pulp complex if the residual dentine layer is at least 0.5 mm thick.
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Two-year bond strengths of “all-in-one” adhesives to dentine. J Dent 2012; 40:549-55. [DOI: 10.1016/j.jdent.2012.03.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Revised: 01/25/2012] [Accepted: 03/09/2012] [Indexed: 11/17/2022] Open
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Abstract
Due to the availability of a large number of luting agents (dental cements) proper selection can be a daunting task and is usually based on a practitioner's reliance on experience and preference and less on in depth knowledge of materials that are used for the restoration and luting agent properties. This review aims at presenting an overview of current cements and discusses physical properties, biocompatibility and other properties that make a particular cement the preferred choice depending on the clinical indication. Tables are provided that outline the different properties of the generic classification of cements. It should be noted that no recommendations are made to use a particular commercial cement for a hypothetical clinical situation. The choice is solely the responsibility of the practitioner. The appendix is intended as a guide for the practitioner towards a recommended choice under commonly encountered clinical scenarios. Again, no commercial brands are recommended although the author recognizes that some have better properties than others. Please note that this flowchart strictly presents the author's opinion and is based on research, clinical experience and the literature.
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Influence of temporary cement contamination on the surface free energy and dentine bond strength of self-adhesive cements. J Dent 2012; 40:131-8. [DOI: 10.1016/j.jdent.2011.11.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2011] [Revised: 11/11/2011] [Accepted: 11/14/2011] [Indexed: 11/21/2022] Open
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SOENO K, TAIRA Y, ITO S. Effect of experimental acid/base conditioner on microtensile bond strength of 4-META/MMA-TBB resin to dentin after long-term water immersion. Dent Mater J 2012; 31:851-5. [DOI: 10.4012/dmj.2012-078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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