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Furtado CODA, Baroudi K, Amaral M, Amorim TN, Devito KL, de Goes MF, Salvio LA. Microtensile Bond Strength of Self-Etch Adhesives on Dentin Treated with Chlorhexidine. Eur J Prosthodont Restor Dent 2024; 32:133-141. [PMID: 38088266 DOI: 10.1922/ejprd_2590furtado09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
AIM To evaluate the microtensile bond strength of self-etching adhesive systems in dentin treated with 2% chlorhexidine digluconate (CHX). MATERIALS AND METHODS The occlusal surfaces of 20 human molars were removed and divided into eight groups: 1A, Clearfil SE adhesive (SE) with self-etching technique (TS); 1B, SE with TS and previous application of CHX; 2A, Scotchbond Universal (SBU) adhesive with TS; 2B, SBU adhesive with TS and previous application of CHX; 1C, SE with total-etching technique (TT); 1D, SE with TT and previous application of CHX; 2C, SBU with TT; 2D SBU with TT and previous application of CHX. Composite resin (5mm) was applied on the hybridized surface. Samples were subjected to microtensile test and evaluated on Scanning Electron Microscope (SEM) and with energy-dispersive X-ray (EDX). RESULTS Low values of bond strength were observed in groups 1A (39,77±11,56) and 2A (40,84±12,49) comparing with 1B (22,86±5,18) and 2B (27,02±5,58). TS group presented adhesive type remover fracture while TT groups presented cohesive at the top of hybrid layer. EDX revealed the presence of CHX crystals for TS, which was not found in the TT. CONCLUSION The previous application of chlorhexidine on dentin decreased the bond strength of adhesive systems on self-etching technique.
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Affiliation(s)
- C O D A Furtado
- School of Dentistry, Federal University of Juiz de Fora (UFJF)
| | - K Baroudi
- RAK College of Dental Sciences, RAK Medical and Health Sciences University
- Department of Dentistry, University of Taubate
| | - M Amaral
- Department of Dentistry, University of Taubate
| | - T N Amorim
- Department of Dentistry, University of Taubate
| | - K L Devito
- School of Dentistry, Federal University of Juiz de Fora (UFJF)
| | - M F de Goes
- School of Dentistry, Federal University of Juiz de Fora (UFJF)
- Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas (UNICAMP)
| | - L A Salvio
- School of Dentistry, Federal University of Juiz de Fora (UFJF)
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Arvai R, Baroudi K, Duarte L, Diamantino PJS, Gimenez MG, Phillippi AG, Saavedra GDSFA, Waghon ZML, Gonçalves TMSV. New adhesive protocol improves shear bond strength of Polyetherketoneketone (PEKK). Dent Mater 2024; 40:3-8. [PMID: 37858419 DOI: 10.1016/j.dental.2023.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/31/2023] [Accepted: 10/04/2023] [Indexed: 10/21/2023]
Abstract
OBJECTIVE Inert surface of Polyetherketoneketone (PEKK) jeopardizes resin bonding. This study aimed to present a new adhesive protocol to improve PEKK bonding. METHODS A total of 360 PEKK blocks were milled, polished (maximum roughness of 0.20 µm), and randomly assigned to groups. The new protocol was applied (n = 36) and compared to conventional treatments (no treatment; sandblasting (110-µm Al2O3 and silica); no adhesive; Visiolink (Bredent); and PEKKbond (AnaxDent)) (n = 36). For the new protocol, the surface was blasted (110 µm Al2O3 and 96% isopropyl alcohol at 60 psi), followed by 96% isopropyl alcohol washing, and air drying. PEKKbond was applied (dried for 3 min at 77 °C), followed by Visiolink (dried for 3 min at 60 °C); both light-cured for 3 min (800 mW/cm2). Preopaque (GC Europe) and Opaque (AnaxDent) were applied and light-cured (5 min). Morphological topography was analyzed, and flowable gingiva-colored composite (AnaxGum, AnaxDent) was bonded. All specimens were aged for 24 h and thermocycled (5000 cycles, 5-55 °C). Shear bond strength (SBS) was measured (MPa) and data were analyzed by two-way ANOVA, Tukey, and Weibull moduli estimation (α = 0.05). RESULTS The highest SBS values were found in the new protocol (p < 0.05), regardless of aging. Thermocycling reduced SBS (p < 0.05), while Al2O3 and PEKKbond produced higher SBS values than silica and Visiolink, respectively (p < 0.05). SIGNIFICANCE The new protocol strongly improves PEKK adhesiveness, and this can reflect in the longevity of prostheses.
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Affiliation(s)
- Robert Arvai
- Bio-Emulation Group, Andreou Londou 28, 25100 Aigio, Greece
| | - Kusai Baroudi
- RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al Khaimah, UAE; Postgraduate Program, College of Dentistry, University of Taubate, Taubate, Brazil
| | - Laís Duarte
- Department of Dentistry, Federal University of Santa Catarina (UFSC), R. Eng. Agronômico Andrei Cristian Ferreira, s/n, CEP: 88040-900, Trindade, Florianópolis, SC, Brazil
| | - Pedro Jacy Santos Diamantino
- Department of Dental Materials, São Paulo State University (UNESP), Av. Eng. Francisco José Longo, 777, CEP 12245-000, Jardim São Dimas, São José dos Campos, SP, Brazil
| | - Mariana Gadelho Gimenez
- Department of Dental Materials, São Paulo State University (UNESP), Av. Eng. Francisco José Longo, 777, CEP 12245-000, Jardim São Dimas, São José dos Campos, SP, Brazil
| | - Analucia Gebler Phillippi
- Department of Dentistry, Federal University of Santa Catarina (UFSC), R. Eng. Agronômico Andrei Cristian Ferreira, s/n, CEP: 88040-900, Trindade, Florianópolis, SC, Brazil.
| | | | - Zuila Maria Lobato Waghon
- Department of Dentistry, Federal University of Santa Catarina (UFSC), R. Eng. Agronômico Andrei Cristian Ferreira, s/n, CEP: 88040-900, Trindade, Florianópolis, SC, Brazil
| | - Thais Marques Simek Vega Gonçalves
- Department of Dentistry, Federal University of Santa Catarina (UFSC), R. Eng. Agronômico Andrei Cristian Ferreira, s/n, CEP: 88040-900, Trindade, Florianópolis, SC, Brazil
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Machado-Santos L, Baroudi K, Silikas N, Tribst JPM, Coelho Sinhoreti MA, Brandt WC, Liporoni PCS. Physical analysis of an acrylic resin modified by metal and ceramic nanoparticles. Dent Med Probl 2023; 60:657-664. [PMID: 37966919 DOI: 10.17219/dmp/171844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 11/17/2023] Open
Abstract
BACKGROUND Nanoparticles (NPs) have gained significant attention in various fields due to their unique properties and potential applications. Polymethyl methacrylate (PMMA) is an acrylic resin widely used in dentistry and medicine. However, the effect of different types of NP fillers on the physical properties of PMMA-based resins has not been thoroughly explored in the literature. OBJECTIVES The present study aimed to evaluate the effects of 3 different types of NP fillers on the physical properties of an experimental PMMA-based resin as a function of the NP content and concentration. MATERIAL AND METHODS Ten groups (n = 10) were designed. The specimens were composed of an acrylic resin, silicon dioxide (SiO2), cerium dioxide (CeO2), and titanium dioxide (TiO2) at the following ratios (wt%): group 1 (G1) - control; group 2 (G2) - 0.5% SiO2; group 3 (G3) - 1% SiO2; group 4 (G4) - 3% SiO2; group 5 (G5) - 0.5% CeO2; group 6 (G6) - 1% CeO2; group 7 (G7) - 3% CeO2; group 8 (G8) - 0.5% TiO2; group 9 (G9) - 1% TiO2; and group 10 (G10) - 3% TiO2. Transmission electron microscopy (TEM) was used to assess the quality of NP dispersion. Thermal stability was assessed with thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). The effects of the abovementioned NPs on the properties of the resin were evaluated using the Archimedes principle for density, the Vickers hardness (VH) test and the impact strength (IS) test. Data analysis employed the oneand two-way analysis of variance (ANOVA), followed by Duncan's post hoc test at a significance level of 0.05. RESULTS Transmission electron microscopy showed partial NP dispersion. All types of NPs enhanced the mechanical properties of the acrylic resin except for IS, which was similar to that of the control group. Among the types of NPs, irrespective of the weight percentage, CeO2 showed higher thermal stability and higher IS for 0.5 wt% and 1 wt% as compared to other groups, as well as the highest values of density at 0.5 wt%, 1 wt% and 3 wt%. Titanium oxide at 1 wt% presented a higher VH as compared to other groups. The fracture pattern was the same for all groups. CONCLUSIONS Incorporating the tested NPs into the acrylic resin resulted in enhanced physical properties, primarily attributed to a lower NP content.
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Affiliation(s)
| | - Kusai Baroudi
- Department of Restorative Dentistry, School of Dentistry, University of Taubaté, Brazil
- RAK College of Dental Sciences, RAK Medical and Health Sciences University, Ras Al Khaimah, UAE
| | - Nikolaos Silikas
- Department of Dentistry, School of Medical Sciences, University of Manchester, UK
| | - João Paulo Mendes Tribst
- Department of Reconstructive Oral Care, Academic Centre for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
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Arcas LP, Baroudi K, de Matos CA, Ribeiro FC, Silva-Concílio LR, Amaral M. Bond Strength and Surface Roughness of Two Ceramics After Metal Bracket Debonding. Turk J Orthod 2023; 36:194-198. [PMID: 37782014 PMCID: PMC10548060 DOI: 10.4274/turkjorthod.2022.2022.23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/06/2022] [Indexed: 10/03/2023]
Abstract
Objective The aims of this study were to compare the bond strength between metallic brackets and two different glass ceramics and to evaluate the ceramic surface roughness after different finishing protocols. Methods The surface roughness of lithium disilicate and resin matrix ceramic samples was measured (initial). All samples were treated with hydrofluoric acid and silane and bonded to metallic brackets with orthodontic cement adhesive. Shear bond strength tests were performed using a universal testing machine (n=12). The surface roughness was measured again (intermediate, n=6) after removing the remaining cement adhesive from the ceramic surfaces with a diamond or 24-blade bur after polishing the ceramic surfaces (final, n=6). Results The resin matrix ceramic had the highest bond strength. The rotatory instrument used for the removal of cement adhesive did not affect the surface roughness of the resin matrix ceramic or lithium disilicate (p=0.985 and p=0.504, respectively), but did affect the evaluation time (p<0.001) for both restorative materials. The intermediate roughness was the highest. For the resin matrix ceramic, polishing promoted a final surface roughness similar to the initial condition; however, changes in the surface shape of this ceramic could be visibly observed when using a 24-blade bur. Conclusion The bond strength of metallic brackets bonded on resin-matrix ceramics is higher than bonding on lithium disilicate. The use of diamond burs for the removal of the remaining adhesive from the resin matrix ceramics is highly recommended.
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Affiliation(s)
- Luciana P.B. Arcas
- Department of Dentistry, Faculty of Dentistry University of Taubaté, Taubaté, Brazil
| | - Kusai Baroudi
- Department of Dentistry, Faculty of Dentistry University of Taubaté, Taubaté, Brazil
- RAK College of Dental Sciences, RAK Medical & Health Sciences University, Ras al Khaimah, United Arab Emirates
| | | | - Fabiana C. Ribeiro
- Department of Dentistry, Faculty of Dentistry University of Taubaté, Taubaté, Brazil
| | | | - Marina Amaral
- Department of Dentistry, Faculty of Dentistry University of Taubaté, Taubaté, Brazil
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Capobianco V, Baroudi K, Santos MJMC, Rubo JH, Rizkalla AS, Dal Piva AMDO, Vitti RP, Tribst JPM, Santos GC. Post-fatigue fracture load, stress concentration and mechanical properties of feldspathic, leucite- and lithium disilicate-reinforced glass ceramics. Heliyon 2023; 9:e17787. [PMID: 37449193 PMCID: PMC10336509 DOI: 10.1016/j.heliyon.2023.e17787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/09/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023] Open
Abstract
Objective To evaluate the mechanical properties of different CAD/CAM ceramic systems and the post-fatigue fracture and stress distribution when used as cemented crowns. Materials and methods Sixty (60) CAD/CAM monolithic crowns were milled using three different ceramic materials (FD - Feldspathic [Vita Mark II]), LE - Leucite-based ceramic [IPS Empress CAD] and LD - Lithium Disilicate [IPS e.max CAD]) and adhesively cemented on resin composite dyes. Specimens were stored in distillated water (37 °C) for 7 days. After, half of the crowns were submitted to immediate fracture load test while the other half was submitted to fatigue cycling. The average cement layer of approximately 80 μm was assessed using scanning electron microscopy (SEM). The average thickness was used in the three-dimensional (3D) Finite Element Analysis (FEA). For each ceramic material, the density, Poisson ratio, shear modulus, Young modulus, fracture toughness, and true hardness were assessed (n = 3). The data was used to assess the Maximum Principal Stress throughout 3D-FEA according to each material during load to fail and post-fatigue. Data were submitted to two-way ANOVA and Tukey test (α = 0.05). Results LD showed the highest compression load, density, shear modulus, Young modulus, fracture toughness and true hardness values. While LE presented the lowest mechanical properties values. There is no difference in the Poisson ratio between the evaluated ceramics. Conclusion LD was susceptible to aging process but presented stronger physicomechanical properties, showing the highest post-fatigue fracture load and highest stress magnitude.
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Affiliation(s)
| | - Kusai Baroudi
- RAK College of Dental Sciences, RAK Medical & Health Sciences University, RAS Al Khaimah, United Arab Emirates
- School of Dentistry, University of Taubaté, Taubaté, SP, Brazil
| | | | | | - Amin S. Rizkalla
- Schulich School of Medicine & Dentistry, The University of Western Ontario, London, ON, Canada
| | - Amanda Maria de Oliveira Dal Piva
- Department of Dental Materials, Academic Centre for Dentistry Amsterdam (ACTA),Universiteit van Amsterdam en Vrije Universiteit, Amsterdam, the Netherlands
| | - Rafael Pino Vitti
- School of Dentistry, Herminio Ometto University Center, Araras, SP, Brazil
| | - João Paulo Mendes Tribst
- Department of Reconstructive Oral Care, Academic Centre for Dentistry Amsterdam (ACTA),Universiteit van Amsterdam en Vrije Universiteit, Amsterdam, the Netherlands
| | - Gildo Coelho Santos
- Schulich School of Medicine & Dentistry, The University of Western Ontario, London, ON, Canada
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Andrade TPS, Barroso LS, Amaral M, Siliva-Concilio LR, Pinto CA, Baroudi K. Evaluation of the Antimicrobial Effect on Enterococcus Faecalis of Bioceramic Cements with and without Silver Nanoparticles. Eur J Prosthodont Restor Dent 2023; 31:145-151. [PMID: 36112476 DOI: 10.1922/ejprd_2432andrade07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To compare the antimicrobial effect of bioceramic endodontic cements with and without silver nanoparticles on Enterococcus faecalis. MATERIALS AND METHODS Six groups were evaluated (n=8), and divided according to the materials: MTA Flow + AgNP ; MTA Flow Group; Bio C Repair + AgNP; Bio C Repair; PBS Cimmo + AgNP; PBS Cimmo. The groups were maintained for 72 h in the suspension of Enterococcus faecalis in Simulated Body Fluid (SBF). Samples of 100 μL were removed from the suspension at 0, 24, 48 and 72 h and seeded in triplicate in a Petri dish. Colony forming units (CFU) were counted using a colony counter. All procedures described were performed in a laminar flow chamber. Two-way ANOVA followed by Tukey's post hoc test and paired t-test were used for statistical analyses (α = 0.05). RESULTS The addition of silver nanoparticles resulted in a statistically significant difference for MTA and CIMMO PBS cements (p⟨0.05), with the lowest bacterial growth being shown by the MTA group. For all groups, only the times of 48 and 72 h presented results without differences. CONCLUSION The addition of silver nanoparticles to bioceramic cements was efficient to promote an acceleration of bacterial death.
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Affiliation(s)
- T P S Andrade
- University of Taubate, R dos Operário n9, Taubaté, SP, Brazil, 12020-340
| | - L S Barroso
- University of Taubate, R dos Operário n9, Taubaté, SP, Brazil, 12020-340
| | - M Amaral
- University of Taubate, R dos Operário n9, Taubaté, SP, Brazil, 12020-340
| | | | - C A Pinto
- University of Taubate, R dos Operário n9, Taubaté, SP, Brazil, 12020-340
| | - K Baroudi
- University of Taubate, R dos Operário n9, Taubaté, SP, Brazil, 12020-340
- RAK College of Dental Sciences, RAK Medical & Health sciences University, Ras Al Khaimah, United Arab Emirates
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Maciel CM, Baroudi K, Costa LDC, Souto TCV, Pino Vitti R. Longevity of Resin Composite and Amalgam Posterior Restorations: A Systematic Review. Eur J Prosthodont Restor Dent 2022; 30:267-275. [PMID: 35438266 DOI: 10.1922/ejprd_2371maciel09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVES The objective of this systematic review was to compare the longevity of direct amalgam and composite resin restorations, in posterior teeth, through clinical, prospective or retrospective studies, with at least 5 years of follow-up. MATERIALS AND METHODS Studies published in the last 15 years (from 2006 to 2021) were collected using the PubMed and Medline databases. RESULTS The search strategy associated with the established inclusion and exclusion criteria resulted in a total of 17 articles. Factors related to failures in the performance of restorations were analyzed together with the clinical performance results of each material over the years of study, according to the methodology of each article. CONCLUSIONS Regardless of the restorative material, the successful results over more than 5 years are due much more to the correct application of the technique, the operator's skill/knowledge and factors related to the patient, such as the type of tooth, number of faces involved in the restoration and oral hygiene.
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Affiliation(s)
- C M Maciel
- School of Dentistry, University of Tiradentes, Aracaju, Sergipe, Brazil
| | - K Baroudi
- Associate Professor in the Postgraduate Program, School of Dentistry, University of Taubate, Taubate, Brazil
| | - L D C Costa
- School of Dentistry, University of Tiradentes, Aracaju, Sergipe, Brazil
| | - T C V Souto
- School of Dentistry, University of Tiradentes, Aracaju, Sergipe, Brazil
| | - R Pino Vitti
- School of Dentistry, Herminio Ometto University Center, Araras, Sao Paulo, Brazil
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Tribst J, Santos G, Leite L, Silva-Concilio L, Baroudi K, Amaral M. Ceramic-Dentin Cement Thickness: Bond Strength and Residual Stress. Dent Mater 2022. [DOI: 10.1016/j.dental.2021.12.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Junior L, Baroudi K, Barroso LS, Miranda M, Vitti R, Brandt W. Bond strength of self-adhesive resin cement to dentin using different adhesion protocols. J Clin Exp Dent 2022; 14:e35-e39. [PMID: 35070122 PMCID: PMC8760965 DOI: 10.4317/jced.59043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 12/13/2021] [Indexed: 11/05/2022] Open
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Maciel CM, Souto TCV, Pinto BDA, Silva-Concilio LR, Baroudi K, Vitti RP. Adhesive systems applied to dentin substrate under electric current: systematic review. Restor Dent Endod 2021; 46:e55. [PMID: 34909419 PMCID: PMC8636075 DOI: 10.5395/rde.2021.46.e55] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/28/2020] [Accepted: 01/27/2021] [Indexed: 11/17/2022] Open
Abstract
Objectives The purpose of this systematic review was to collect and discuss the technique of adhesive systems application on dentin substrate under electric current. Materials and Methods The first search strategy was based on data available at PubMed, LILACS, Scielo, Scopus, and Cochrane Library, using a combination of descriptors such as “dentin bond agents OR adhesive system AND electric current OR electrobond” or “dentin bonding agents OR dentin bonding agent application OR adhesive system AND electric current OR electrobond”, with no limit regarding the publication year. The second search strategy was based on the articles' references found previously. An additional search strategy was applied that concerned the proposed theme in the SBU-UNICAMP (Unicamp's Library System Institutional Repository). Results Twelve studies published between 2006 and 2020 were found. The analyses of the selected studies showed that the use of electric current during adhesive systems application on dentin, whether conventional or self-conditioning, increases resinous monomer infiltration in the dentin substrate, which improves the hybridization processes and the bond strength of the restorative material to dentin. Conclusions Despite the favorable results related to the use of this technique, there is still no specific protocol for the application of adhesive systems under electric current.
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Affiliation(s)
- Carolina Menezes Maciel
- Postgraduate Program in Dentistry, School of Dentistry, Department of Prosthodontics, University of Taubate, Taubaté, SP, Brazil.,School of Dentistry, Department of Dentistry, University Tiradentes, Aracaju, SE, Brazil
| | | | | | - Laís Regiane Silva-Concilio
- Postgraduate Program in Dentistry, School of Dentistry, Department of Prosthodontics, University of Taubate, Taubaté, SP, Brazil
| | - Kusai Baroudi
- Postgraduate Program in Dentistry, School of Dentistry, Department of Prosthodontics, University of Taubate, Taubaté, SP, Brazil
| | - Rafael Pino Vitti
- Postgraduate Program in Dentistry, School of Dentistry, Department of Prosthodontics, University of Taubate, Taubaté, SP, Brazil.,School of Dentistry, Department of Dentistry, Herminio Ometto University Center, Araras, SP, Brazil
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Tribst JPM, dos Santos AFC, da Cruz Santos G, da Silva Leite LS, Lozada JC, Silva-Concílio LR, Baroudi K, Amaral M. Effect of Cement Layer Thickness on the Immediate and Long-Term Bond Strength and Residual Stress between Lithium Disilicate Glass-Ceramic and Human Dentin. Materials (Basel) 2021; 14:ma14185153. [PMID: 34576376 PMCID: PMC8465145 DOI: 10.3390/ma14185153] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 02/07/2023]
Abstract
This study tested whether three different cement layer thicknesses (60, 120 and 180 μm) would provide the same bonding capacity between adhesively luted lithium disilicate and human dentin. Ceramic blocks were cut to 20 blocks with a low-speed diamond saw under cooling water and were then cemented to human flat dentin with an adhesive protocol. The assembly was sectioned into 1 mm2 cross-section beams composed of ceramic/cement/dentin. Cement layer thickness was measured, and three groups were formed. Half of the samples were immediately tested to evaluate the short-term bond strength and the other half were submitted to an aging simulation. The microtensile test was performed in a universal testing machine, and the bond strength (MPa) was calculated. The fractured specimens were examined under stereomicroscopy. Applying the finite element method, the residual stress of polymerization shrinkage according to cement layer thickness was also calculated using first principal stress as analysis criteria. Kruskal–Wallis tests showed that the ‘‘cement layer thickness’’ factor significantly influenced the bond strength results for the aged samples (p = 0.028); however, no statistically significant difference was found between the immediately tested groups (p = 0.569). The higher the cement layer thickness, the higher the residual stress generated at the adhesive interface due to cement polymerization shrinkage. In conclusion, the cement layer thickness does not affect the immediate bond strength in lithium disilicate restorations; however, thinner cement layers are most stable in the short term, showing constant bond strength and lower residual stress.
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Affiliation(s)
- João Paulo Mendes Tribst
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
- Correspondence:
| | - Alison Flavio Campos dos Santos
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
| | - Giuliane da Cruz Santos
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
| | - Larissa Sandy da Silva Leite
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
| | - Julio Chávez Lozada
- Department of Operative Dentistry, FO-National University of Córdoba, Córdoba 5016, Argentina;
| | - Laís Regiane Silva-Concílio
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
| | - Kusai Baroudi
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
| | - Marina Amaral
- Department of Dentistry, University of Taubaté (UNITAU), Taubaté 12020-340, Brazil; (A.F.C.d.S.); (G.d.C.S.); (L.S.d.S.L.); (L.R.S.-C.); (K.B.); (M.A.)
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12
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de Resende LFM, Catelan A, Baroudi K, Palialol ARM, de Resende AM, Andreucci AC, Zanatta RF, Liporoni PCS. Mechanical Properties of Experimental Composites with Different Photoinitiator. Eur J Dent 2021; 16:167-172. [PMID: 34428844 PMCID: PMC8890916 DOI: 10.1055/s-0041-1731929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective
The effect of different photoinitiators on mechanical properties of experimental composites was evaluated.
Materials and Methods
Resin composites were formulated by using a blend of bisphenol A-glycidyl and triethylene glycol (50/50 wt%) dimethacrylate monomers, and 65 wt% of barium aluminium silicate and silica filler particles. Photoinitiators used were 0.2% camphorquinone (CQ) and 0.8% co-initiator (DMAEMA); 0.2% phenyl-propanedione and 0.8% DMAEMA; 0.1% CQ + 0.1% phenyl propanedione and 0.8% DMAEMA; 0.42% mono(acyl)phosphine oxide (MAPO); and 0.5% bis(acyl)phosphine oxide (BAPO). Specimens (
n
= 10) were light cured by using a multiple-emission peak light-emitting diode for 20 seconds at 1,200 mW/cm
2
of irradiance and Knoop hardness and plasticization, depth of cure, flexural strength, and elastic modulus were evaluated. Data were statiscally analyzed at significance level of α = 5%.
Results
Experimental composites containing MAPO and BAPO photoinitiators showed the highest values of flexural strength, elastic modulus, top surface hardness, and lower hardness reduction caused by alcohol compared with CQ. Composites containing CQ and PPD showed similar results, except for depth of cure and hardness of bottom surface.
Conclusion
BAPO and MAPO showed higher flexural strength, elastic modulus, hardness on top surface, and lower polymer plasticization to CQ.
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Affiliation(s)
| | - Anderson Catelan
- Department of Dentistry, Faculty of Health Sciences, University of Western São Paulo, Presidente Prudente, São Paulo, Brazil
| | - Kusai Baroudi
- School of Dentistry, University of Taubaté, Taubaté, São Paulo, Brazil
| | - Alan Rodrigo Muniz Palialol
- Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
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13
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Arcas LPB, Baroudi K, Silva-Concílio LR, Claro CADA, Amaral M. Effect of different fabrication methods of occlusal devices on periradicular stress distribution: A photoelastic analysis. J Prosthet Dent 2021; 129:651-656. [PMID: 34344528 DOI: 10.1016/j.prosdent.2021.06.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/23/2021] [Accepted: 06/23/2021] [Indexed: 12/27/2022]
Abstract
STATEMENT OF PROBLEM Investigations on the effectiveness of new methods for optimizing the fabrication of oral devices are lacking. PURPOSE The purpose of this in vitro study was to evaluate stress distribution with photoelastic analysis in the periradicular area of teeth supporting occlusal devices fabricated by 5 different processes. MATERIAL AND METHODS The occlusal devices were fabricated by vacuum thermoforming, heat-polymerized acrylic resin, chemical polymerized acrylic resin, 3-dimensional printing, and milling (computer-aided manufacturing). The devices were evaluated regarding initial fit, number of adjustments for passive fit, and stress distribution under 100-N and 400-N loads in the periradicular locations of posterior teeth. RESULTS The 3-dimensional printing device did not require any adjustment for initial adaptation to the photoelastic model and presented a little friction with the model. The heat-polymerized acrylic resin device did not seat initially, requiring more sites of adjustment until passive adaptation. At 100-N and 400-N loads, the use of the computer-aided manufacturing occlusal device resulted in the lowest stresses in periradicular areas (0.744 and 1.583, respectively), and the 3-dimensional printing occlusal device produced the highest stresses with a 400-N load application (2.427). The lowest mean of fringe pattern was observed for the computer-aided manufacturing device, and the highest mean of fringe pattern was observed for the vacuum thermoforming device. CONCLUSIONS The computer-aided design and computer-aided manufacturing milled occlusal device presented the best initial adaptation and transferred lower stresses to the periradicular areas than the other evaluated devices.
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Affiliation(s)
- Luciana Paula Benício Arcas
- Master student, Pos Graduation Program in Dentistry, Department of Dentistry, University of Taubaté (UNITAU), Taubaté, Brazil
| | - Kusai Baroudi
- Professor, Department of Restorative Dentistry, Department of Dentistry, University of Taubaté (UNITAU), Taubaté, Brazil
| | - Laís Regiane Silva-Concílio
- Professor, Department of Restorative Dentistry, Department of Dentistry, University of Taubaté (UNITAU), Taubaté, Brazil
| | | | - Marina Amaral
- Professor, Department of Restorative Dentistry, Department of Dentistry, University of Taubaté (UNITAU), Taubaté, Brazil.
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14
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Henrique MN, Caldas RA, Baroudi K, Amaral M, Vitti RP, Silva-Concílio LR. Influence of Flat Occlusal Splint on Stresses Induced on Implants for Different Fixed Prosthetic Systems. Eur J Prosthodont Restor Dent 2021; 29:84-92. [PMID: 33079499 DOI: 10.1922/ejprd_02080baroudi09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
OBJECTIVE The flat occlusal plate has been recommended to reduce stress concentration in implant prosthesis treatments. The purpose was to investigate the influence of the occlusal splint on three-element implant-supported fixed prosthesis. MATERIALS AND METHODS A three-dimensional virtual model was created consisting of a cortical and spongy bone block simulating the region from first premolar to the maxillary first molar using two HE or MT implants (4 x 11mm) with Ti and/or Y-TZP abutments. The second premolar was the pontic of the prosthesis. The three-element fixed prosthesis with a zirconia infrastructure and Y-TZP coating were cemented, in addition to using a flat occlusal splint made of acrylic resin in the region. Combined axial and oblique loads of 100N and 300N were applied. RESULTS The tensile stresses on MT implant bone tissue produced values of 4-19% lower than those of HE implants. The lowest differences were observed for oblique loading with an occlusal splint, with a 4% (Ti-Y-TZP) and 9% (Ti-Ti) decrease. When the compressive stresses were evaluated, HE implants produced lower values than MT implants. CONCLUSION A significant increase was observed in the oblique loading stresses in the absence of occlusal splints, regardless of the applied load.
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Affiliation(s)
- M N Henrique
- Postgraduate Program, School of Dentistry, University of Taubaté
| | - R A Caldas
- Postgraduate Program, School of Dentistry, State University of Campinas
| | - K Baroudi
- Postgraduate Program, School of Dentistry, University of Taubaté
| | - M Amaral
- Postgraduate Program, School of Dentistry, University of Taubaté
| | - R P Vitti
- Postgraduate Program, School of Dentistry, University of Taubaté
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15
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Marques Junior RB, Baroudi K, Santos AFCD, Pontes D, Amaral M. Tooth Discoloration Using Calcium Silicate-Based Cements For Simulated Revascularization in Vitro. Braz Dent J 2021; 32:53-58. [PMID: 33914003 DOI: 10.1590/0103-6440202103700] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 09/28/2020] [Indexed: 02/26/2023] Open
Abstract
The endodontic revascularization may be an alternative treatment for necrotic immature teeth, however, several treatment steps may cause tooth discoloration. This study evaluated the use of three calcium silicate-based cements with different radiopacifying agents on the color alteration (∆E) of extracted premolars after simulation of revascularization. Forty single rooted extracted premolars were shaped with #1-6 gates Glidden drills, rinsed with sodium hypochlorite, and filled with fresh human blood. Three calcium silicate-based cements with different radiopacifying agents (bismuth oxide - CSBi, calcium tungstate - CSW, and zirconium oxide - CSZr) were applied over the blood clot (n=10). The control group received the application of a temporary zinc oxide-based cement (TFZn) (n=10). ∆E was measured with a spectrophotometer, using the L*a*b* color system of the International Commission on Illumination (CIELab), in different times: prior to the preparation of the access cavity (t0); right after treatment (t1); and after one (t2), two (t3), three (t4) and four (t5) months. The tooth site for color evaluation was standardized by silicon matrix, the color reading was performed 3 times per tooth, and the teeth were stored in 37º water between evaluations. ∆E, whiteness (WID index) and yellowness (b*) were evaluated. Data were subjected to one-way ANOVA and repeated measures ANOVA, followed by Tukey's post hoc test (α=0.05). All groups were similar in ∆E1 (t0-t1). The ∆E was the lowest and constant in the control group. In all evaluation times, CSBi presented the highest ∆E (p<0.01). CSW and CSZr were similar in all evaluated times and presented intermediate ∆E values. WID index from CSBi and CSW presented more distancing from 'white' reference. CSBi presented the greatest decrease in yellowness (b* value). The cement containing bismuth oxide presented the highest color alteration values. All tested calcium silicate-based cements presented clinically perceptible discoloration. Calcium tungstate and zirconium oxide may be used as alternative radiopacifiers to decrease tooth discoloration after endodontic tooth revascularization.
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Affiliation(s)
| | - Kusai Baroudi
- Postgraduate Program in Dentistry, School of Dentistry, University of Taubaté, Taubaté, Brazil
| | | | - Denise Pontes
- Postgraduate Program in Dentistry, School of Dentistry, University of Taubaté, Taubaté, Brazil
| | - Marina Amaral
- Postgraduate Program in Dentistry, School of Dentistry, University of Taubaté, Taubaté, Brazil
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16
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Peçanha MM, Amaral M, Baroudi K, Frizzera F, Vitti R, Silva-Concilio L. Improving the bonding stability between resin cements and zirconia-based ceramic using different surface treatments. INT J PROSTHODONT 2021; 35:414–419. [PMID: 33651040 DOI: 10.11607/ijp.6797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE To evaluate the effects of airborne-particle abrasion with alumina particles or silicamodified alumina particles on the bond strength between zirconia and conventional MDP-based (Ph; Panavia F 2.0, Kuraray) or self-adhesive (SA; RelyX U200, 3M ESPE) resin cements. MATERIALS AND METHODS Five surface treatments were evaluated: C = no surface treatment; AB = airborne-particle abrasion with alumina particles (BIO-ART Dental Supplies and Equipment); ABP = AB combined with MDP-based primer (Alloy Primer, Kuraray); SS = airborne-particle abrasion with silica-modified alumina particles (CoJet, 3M ESPE) combined with silane (RelyX Ceramic Primer, 3M ESPE); and SSP = SS combined with MDP-based primer. The surface roughness (Ra) of the airborne particle-abraded samples (n = 5) was measured by a contact profilometer (Mitutoyo Surftest SJ-401, Mitutoyo). Cylinders of the resin cements tested were bonded to the surface-treated zirconia. The microshear test was performed by the application of a load with a wire loop parallel to the adhesive interface until debonding of the resin cement cylinders. The microshear bond strength (μSBS) of the samples was measured before and after being subjected to thermocycling (TC; 5°C to 55°C, 60 seconds dwell time for 3,000 cycles; MSCT, Marcelo Nucci). One-way (Ra) and two-way (μSBS) analysis of variance followed by Tukey post hoc test (α = .05) were used. RESULTS The SS (Ph: 12.6 MPa; Ph-TC: 6.37 MPa; SA: 11.8 MPa; SA-TC: 9.37) and SSP (Ph: 10.4 MPa; Ph-TC: 5.82 MPa; SA: 10.4 MPa; SA-TC: 10.0) surface treatments produced the highest surface roughness values (P < .001). The SS samples achieved the highest immediate bond strength for both resin cements. However, after TC, SA resin cement associated with any surface treatment produced the highest bond strength values. CONCLUSION The self-adhesive resin cement promoted higher and more stable bond strength values when associated with a surface roughening method.
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17
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Maciel CM, da Rosa Rinhel MF, Abuna GF, Pacheco RR, da Silva-Concílio LR, Baroudi K, Sinhoreti MAC, Vitti RP. Resin composite adhesion to dentin using different curing lights and adhesive systems applied under electric current. Clin Oral Investig 2021; 25:5181-5188. [PMID: 33558973 DOI: 10.1007/s00784-021-03824-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 02/02/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To evaluate the effect of electric current application on the resin composite-tooth bond strength and hybrid layer of three adhesive systems light-cured by two light-curing units (LCUs). MATERIALS AND METHODS Human molar teeth were distributed into 12 groups (n=6). Three adhesive systems were used: two-step etch-and-rinse (SB2; Adper Single Bond 2, 3M ESPE); two-step self-etch (CSE; Clearfil SE Bond, Kuraray); and one-step self-etch (SBU; Single Bond Universal, 3M ESPE) applied with (50μA) and without (control; conventional application) electric current, and light-cured with different LCUs. Resin composite blocks (Filtek Z350XT, 3M ESPE) were produced and cut into sticks (~1mm2) for microtensile bond strength (μTBS). Fracture patterns were analyzed on stereomicroscope and classified as cohesive-dentin, cohesive-resin, adhesive, or mixed. Specimens were prepared for scanning electron microscope observation. The hybrid layer analysis was carried out using a confocal laser scanning microscopy (n=2). Data were submitted to three-way ANOVA followed by Tukey's post hoc test (α=0.05). RESULTS The electric current increased the μTBS for all adhesive systems light-cured with single-emission peak and multiple-emission peak LCUs. Both LCUs presented similar μTBS values. CSE applied under electric current showed the highest μTBS mean values. The adhesive failure pattern was more frequently observed in all groups. The electric current formed long resin tags for all adhesive systems. CONCLUSIONS The adhesive systems applied under electric current increased the bond strength using single-emission peak and multiple-emission peak LCUs. CLINICAL RELEVANCE Electric current at 50μA applied throughout the dentin is a safe mode and results in better impregnation of the adhesive systems.
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Affiliation(s)
| | | | | | | | | | - Kusai Baroudi
- School of Dentistry, University of Taubate, Taubate, SP, Brazil
| | | | - Rafael Pino Vitti
- School of Dentistry, University of Taubate, Taubate, SP, Brazil. .,School of Dentistry, Herminio Ometto University Center, Av. Dr. Maximiliano Baruto, 500, Araras, SP, CEP: 13607-339, Brazil.
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18
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Machado-Santos L, Silikas N, Baroudi K, Sinhoreti MAC, Brandt WC, Liporoni PCS. Mechanical performance of experimental acrylic resins modified by nanoparticles after chemical and mechanical degradation. J Clin Exp Dent 2020; 12:e1157-e1163. [PMID: 33282137 PMCID: PMC7700787 DOI: 10.4317/jced.57265] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 07/02/2020] [Indexed: 11/05/2022] Open
Abstract
Background Different materials have been incorporated into the polymethylmethacrylate matrix to improve its performance. The aim of this study was to evaluate the degree of conversion (DC), the flexural strength (FS), the elasticity modulus (EM), and the effect of exposure to food-simulating liquids prior to brushing simulation on the gloss loss (GL) of experimental acrylic resins modified by nanoparticles.
Material and Methods Three different types of nanoparticles; silicon oxide (SiO2), cerium oxide (CeO2) and titanium oxide (TiO2) were added to a poly (methylmethacrylate) matrix, in proportions of 0.5wt%, 1wt% and 3wt% each, forming nine experimental groups. The acrylic resin was also tested as a control group. DC was investigated using Fourier transform infrared spectroscopy (FTIR). A three-point bending test was used for FS and EM. GL after chemical degradation and simulated brushing was evaluated using a glossmeter. Data were submitted to one and two-way ANOVA followed by Duncan’s post hoc test (α=0.05).
Results All nanoparticle-modified groups showed higher values of DC. Ce1% showed higher values of FS and EM. All other groups showed similar or lower physical-mechanical properties (FS, EM, GL). Regarding type and wt%, CeO2 and TiO2 groups had better performances and were similar to each other.
Conclusions Incorporating metal nanoparticles, especially CeO2, could improve the physical properties of the dental materials. Key words:Polymethylmetacrylate, degree of conversion, flexural strength, elasticity modulus, gloss loss.
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Affiliation(s)
- Luciana Machado-Santos
- Department of Restorative Dentistry, School of Dentistry, University of Taubaté, Taubaté, Brazil
| | - Nicolaos Silikas
- Dentistry, School of Medical Sciences, University of Manchester, Manchester M13 9PL, UK
| | - Kusai Baroudi
- Postgraduate Program, School of Dentistry, University of Taubaté, Taubaté, Brazil
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19
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da Costa Fartes OA, de Resende LM, Cilli R, do Carmo AMR, Baroudi K, Cortelli JR. Retention of Provisional Intraradicular Retainers Using Fiberglass Pins. J Int Soc Prev Community Dent 2020; 10:666-673. [PMID: 33282778 PMCID: PMC7685286 DOI: 10.4103/jispcd.jispcd_298_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/16/2020] [Accepted: 08/01/2020] [Indexed: 11/29/2022] Open
Abstract
Objectives: The purpose of this study was to compare the retention properties between fiberglass pins with chemically activated acrylic resin and metallic intraradicular retainers often used for the purpose of temporary prosthetic retention. Materials and Methods: Two mechanical tests, pushout and traction, were performed on specimens distributed in three groups (n = 10) for each test; two metal pins G1: Metalpin Ângelus and G2: Provisional Pivot Jon in addition to one fiberglass pin G3: Whitepost DC-E, FGM. One-way analysis of variance (ANOVA) followed by Tukey’s post hoc test was used at the level of significance α = 0.05. Results: The fiberglass pins (G3) showed higher values in the traction test than the metal pins (G1 and G2) with a statistically significant difference (P < 0.05); however, they performed similarly to the metal pin groups in the pushout test (P > 0.05). They also presented a lower occurrence of failure in the relining acrylic resin. Conclusion: The study pointed out the use of fiberglass pins as suitable alternatives for provisional intracanal metallic retainers.
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Affiliation(s)
- Otávio Alberto da Costa Fartes
- Postgraduate Program in Dentistry, School of Dentistry, University of Taubate, Taubate, São Paulo, Brazil.,Department of Clinical Dentistry, School of Dentistry, Federal University of Juiz de Fora - UFJF, Juiz de Fora, Minas Gerais, Brazil
| | - Leandro Marques de Resende
- Department of Clinical Dentistry, School of Dentistry, Federal University of Juiz de Fora - UFJF, Juiz de Fora, Minas Gerais, Brazil
| | - Renato Cilli
- Department of Restorative Dentistry, School of Dentistry, Federal University of Juiz de Fora - UFJF, Juiz de Fora, Minas Gerais, Brazil
| | - Antônio Márcio Resende do Carmo
- Department of Clinical Dentistry, School of Dentistry, Federal University of Juiz de Fora - UFJF, Juiz de Fora, Minas Gerais, Brazil
| | - Kusai Baroudi
- Postgraduate Program in Dentistry, School of Dentistry, University of Taubate, Taubate, São Paulo, Brazil
| | - José Roberto Cortelli
- Postgraduate Program in Dentistry, School of Dentistry, University of Taubate, Taubate, São Paulo, Brazil
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20
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Maciel LC, Amaral M, Queiroz DA, Baroudi K, Silva-Concílio LR. The effect of repeated surface treatment of zirconia on its bond strength to resin cement. J Adv Prosthodont 2020; 12:291-298. [PMID: 33149850 PMCID: PMC7604241 DOI: 10.4047/jap.2020.12.5.291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 06/15/2020] [Accepted: 07/28/2020] [Indexed: 11/29/2022] Open
Abstract
PURPOSE The aim of this study is to evaluate the influence of repeated surface treatments on wettability and surface roughness for zirconia surface and bond strength of zirconia-based ceramics to resin cement. MATERIALS AND METHODS Seventy blocks (10 × 10 × 3 mm) of zirconia-based ceramics were fabricated and divided into two groups according to the surface treatments: (A) 110 µm Al2O3 airborne-particle abrasion and (R) 110 µm silica modified Al2O3 airborne-particle abrasion. At stage 2, each group was subdivided into 5 groups according to the surface retreatments: (a) 110 µm Al2O3 airborne-particle abrasion, (r) 110 µm silica modified Al2O3 airborne-particle abrasion, (D) diamond bur, (Da) diamond bur + 110 µm Al2O3 airborne-particle abrasion, and (Dr) diamond bur + 110 µm silica modified Al2O3 airborne-particle abrasion. Cylinders of self-adhesive resin cement were cemented onto each treated ceramic surface and subjected to micro-shear bond strength test. Additional specimens were prepared for roughness and wettability analyses. The data were subjected to t-test and One-way ANOVA followed by Tukey's post hoc test (α=.05). RESULTS At stage 1, group R presented higher bond strength values than group A (P=.000). There was a statistically significant increase of bond strength at stage 2 for group A (P=.003). The diamond bur influenced the surface roughness, increasing the values (P=.023). Group R provided better wettability. Regardless of the applied surface treatment, most of failures were adhesive. CONCLUSION The combination of application and reapplication of Rocatec Plus showed the best results of bond strength. Surface retreatment and recementation might be an indicated clinical strategy.
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Affiliation(s)
| | - Marina Amaral
- Department of Dental Prosthesis, School of Dentistry, University of Taubaté, Taubaté, Brazil
| | - Daher Antonio Queiroz
- Division of Restorative and Prosthetic Dentistry, The Ohio State University College of Dentistry, Columbus, OH, USA
| | - Kusai Baroudi
- Postgraduate Program, School of Dentistry, University of Taubaté, Taubaté, Brazil
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21
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Sudré JP, Salvio LA, Baroudi K, Sotto-Maior BS, Melo-Silva CL, Souza Picorelli Assis NM. Influence of Surface Treatment of Lithium Disilicate on Roughness and Bond Strength. INT J PROSTHODONT 2020; 33:212-216. [PMID: 32069346 DOI: 10.11607/ijp.6453] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE To evaluate the effect of different concentrations of hydrofluoric acid (HF) on the surface roughness of a ceramic reinforced by lithium disilicate and on the bond strength formed between the ceramic and self-adhesive resin cement. MATERIALS AND METHODS A total of 100 disks of IPS e.max Press ceramic (Ivoclar Vivadent) reinforced by lithium disilicate were prepared as follows: group 1 remained untreated (control group); in groups 5-20, 5-40, and 5-60, the surfaces were etched with 5% HF for 20, 40, and 60 seconds, respectively; in groups 10-20, 10-40, and 10-60, the surfaces were etched with 10% HF for 20, 40, and 60 seconds, respectively; and in groups 10-20P, 10-40P, and 10-60P, the surfaces were etched with 10% HF for 20, 40, and 60 seconds, respectively, followed by treatment with 37% phosphoric acid for 5 seconds. Surface roughness and bond strength were analyzed with confocal microscopy and microshear testing, respectively. The values obtained were statistically analyzed using paired t test and two-way ANOVA followed by Tukey post hoc test at a 5% significance level. RESULTS Surface roughness was influenced by the concentration and exposure time of acid applied (P < .05) and by the combination of these two factors (P < .05). Treatment with 10% HF for 40 seconds (group 10-40) achieved the highest roughness value. In contrast, bond strength was affected only by the acid exposure time (P < .05). CONCLUSION Conditioning of lithium disilicate ceramics can change the surface morphology, thereby affecting bond strength with resin cement.
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22
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Pereira PHDS, Amaral M, Baroudi K, Vitti RP, Nassani MZ, Silva-Concílio LRD. Effect of Implant Platform Connection and Abutment Material on Removal Torque and Implant Hexagon Plastic Deformation. Eur J Dent 2019; 13:349-353. [PMID: 31795000 PMCID: PMC6890484 DOI: 10.1055/s-0039-1700662] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Objectives
The aim of this study was to evaluate the plastic deformation of the hexagonal connection, and the removal torque of the implant-abutment joint of two dental implants combined with internal or external hexagonal connection implants after mechanical cycling.
Materials and Methods
Twenty-four dental implants were used in the study. Half of the implants had internal hexagonal connections (IH; Titamax II Plus) and the other half had external hexagonal connections (EH; Titamax Ti Ex). Four groups of two types of dental implant abutments (titanium: Ti, UCLA II Plus and zirconia: Zr, fabricated by CAD/CAM;
n
= 6) were investigated. The abutments received a metallic crown and the settings were submitted to mechanical cycling (MC; 10
6
cycles, axial load, 120N). The connection surface area was measured by scanning electron microscope (SEM) images. The removal torque was evaluated and the plastic deformation of the hexagonal surface of the implant was measured by comparing the images before and after MC.
Statistical Analysis
Paired-
t
test was used to analyze the data statistically at a significance level of α = 0.05.
Results
The torque values decreased for all groups after MC, and the hexagonal surface area decreased due to plastic deformation for IH and EH associated with Zr abutments.
Conclusions
Zirconia abutments showed the worst plastic deformation of the implant connection surface and torque loosening when associated with IH implant.
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Affiliation(s)
| | - Marina Amaral
- Department of Dentistry, University of Taubaté, Taubaté, Brazil
| | - Kusai Baroudi
- Department of Dentistry, University of Taubaté, Taubaté, Brazil
| | | | - Mohammad Zakaria Nassani
- Department of Prosthetic Dental Science, AlFarabi College of Dentistry and Nursing, Riyadh, Saudi Arabia
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Salvio LA, Carmo VCFTD, Andrade TPSD, Baroudi K. Effect of the Combined Use of Adhesive Systems and Oxalate-based and Fluoride-based Dentin Desensitizers on Bond Strength. J Clin Diagn Res 2019. [DOI: 10.7860/jcdr/2019/41484.13145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Farista S, Kalakonda B, Koppolu P, Baroudi K, Elkhatat E, Dhaifullah E. Comparing Laser and Scalpel for Soft Tissue Crown Lengthening: A Clinical Study. Glob J Health Sci 2016; 8:55795. [PMID: 27302447 DOI: 10.5539/gjhs.v8n10p73] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 01/06/2016] [Accepted: 01/03/2016] [Indexed: 11/12/2022] Open
Abstract
Crown lengthening procedure is aimed at exposure of sufficient crown structure accomplished by a gingivectomy, an apically positioned flap with osseous resection or the use of lasers. Our present clinical study is aimed to assess the clinical effectiveness of a diode laser for functional crown lengthening procedure and to compare it with the conventional procedure using the scalpel. Fourteen patients including males and females, aged 20- 40 years were recruited and divided into two groups to undergo crown lengthening either with the scalpel or the laser. The data obtained was analyzed for intergroup comparison with an Unpaired t-test and intragroup comparison was determined by ANOVA.Analysis of the intergroup results for pain showcased that there was a significant difference (P<0.002) in VAS scores of pain on the 3rd day as well as on the 7th day (P<0.044), with patients in the laser group displaying significantly lower VAS scores compared to the scalpel group, but when both the groups were compared on the 10th day, there was no significance (P<0.14).Intergroup comparison of the mean VAS scores for discomfort observed on the 3rd, 7th and the 10th day of the study suggested that there was a significant difference of the VAS scores of discomfort on the 3rd and the7thdays, with the patients in the laser group displaying significantly lower VAS scores for discomfort compared with the scalpel.Observations from the study emphasize that laser can be a safe and effective alternative to traditional crown lengthening performed with the scalpel.
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Affiliation(s)
- Sana Farista
- Department of Periodontics, Maitri Dental College, Chhattisgarh, India.
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Labib LM, Nabih SM, Baroudi K. Nanoleakage Evaluation of Posterior Teeth Restored with Low Shrinkable Resin Composite- An invitro Study. J Clin Diagn Res 2016; 10:ZC102-4. [PMID: 27630943 DOI: 10.7860/jcdr/2016/18316.8212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Accepted: 05/05/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION The effect of nanoleakage on the integrity of resin-dentin bond has been in interest for long-term adhesion. AIM This study evaluated the nanoleakage in premolar teeth restored with low shrinkable resin composite. MATERIALS AND METHODS A total of 40 human premolars were used for nanoleakage evaluation in this study. Each group was divided into four equal groups; Group A: using silorane with its adhesive system. Group B: using silorane with G-bond. Group C: using Filtek supreme composite with G-bond. Group D: using Filtek supreme composite with AdheSE adhesive. Nanoleakage analysed using Scaning Electron Microscope (SEM) and Energy Dispersive X-Ray Spectrometery (EDX). RESULTS The amount of silver present in hybrid layer depend on the adhesive used; this indicated different nanoleakage expressions in different adhesive systems. Filtek Z350 composite with G-bond showed clear silver uptake in both the adhesive and hybrid layer. Low shrinkable resin composite (silorane) with its adhesive system showed less silver penetration and slight silver peak on the elemental energy spectroscopy of energy dispersive X-Ray spectrometry (EDS) as compared to other samples. CONCLUSION Adhesives used between different groups, influence the location and degree of nanoleakage. There is difference in nanoleakage patterns between two-step and one-step adhesives and also among the one-step adhesives themselves.
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Affiliation(s)
- Labib Mohamed Labib
- Lecturer, Department of Restorative Dental Sciences, Alfarabi Colleges , Riyadh, Saudi Arabia
| | - Sameh Mahmoud Nabih
- Professor, Department of Operative Dentistry, Faculty of Dental Medicine, Al-Azhar, University , Cairo, Egypt
| | - Kusai Baroudi
- Associate Professor, Department of Preventive Dental Sciences, Alfarabi Colleges , Riyadh, Saudi Arabia
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Baroudi K, Samir S. Sealing Ability of MTA Used in Perforation Repair of Permanent Teeth; Literature Review. Open Dent J 2016; 10:278-86. [PMID: 27347231 PMCID: PMC4901194 DOI: 10.2174/1874210601610010278] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 03/30/2016] [Accepted: 04/26/2016] [Indexed: 11/22/2022] Open
Abstract
There were several materials used to seal different types of perforation defects. MTA is one of these restorative materials that is considered the most effective, biocompatible, non-toxic, and non-irritant; promote bone healing and cementum regeneration. The objective of this article was to review and summarize the sealing ability of MTA compared with the other materials used for sealing different types of root perforations of permanent teeth. A literature search was conducted using Medline, accessed via the National Library of Medicine Pub Med from 2005 to 2015 searching for articles related to sealing ability of MTA. This study found that factors affecting prognosis are the size, site of the perforation and time elapsed as well as the repair material. MTA is an important filling material to be used for sealing different types of perforations when perforated sites sealed immediately with MTA.
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Affiliation(s)
- Kusai Baroudi
- Department of Restorative Dental Sciences, Al-Farabi College, Riyadh, Saudi Arabia
| | - Samah Samir
- Department of Restorative Dental Sciences, Al-Farabi College, Riyadh, Saudi Arabia
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Kalakonda B, Koppolu P, Baroudi K. Periodontal Systemic Connections - Novel Associations : A Review of the Evidence with Implications for Medical Practitioners. Int J Health Sci (Qassim) 2016. [DOI: 10.12816/0048820] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Mossa H, ElKhatat E, Hassan AM, Baroudi K, Beshr K. Effect of hyperbaric oxygen profiles on the bond strength of repaired composite resin. J Int Soc Prev Community Dent 2016; 6:S70-4. [PMID: 27195232 PMCID: PMC4863488 DOI: 10.4103/2231-0762.181189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE This study was performed to evaluate the bond strength of repaired three types of composite resins under various hyperbaric oxygen (HBO) profiles with various session numbers. MATERIALS AND METHODS Sixty specimens of three types of composite resin (nanofilled composite, nanohybrid composite and microfilled composite) each type of composite was divided into four group according to various profiles of HBO treatment (control, 2bar, 3 bar and 5 bar). Then, the specimens were repaired; thermocycled, the tensile bond strength were measured. Then the data were analyzed by One-way ANOVA followed by Tukey's post hoc test (α = 0.05). RESULTS The highest bond strength was obtained for the repaired nanofilled composite resin specimens while; the lowest bond strength was obtained for the repaired microfilled composite resin specimens. The highest tensile bond strength was recorded for the specimens who treated with the highest pressure of HBO. CONCLUSION The bond strength of repaired nanofilled composite resins is better than the other types of composite resin. The highest pressure of HBO, the highest bond strength of repaired composite resins.
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Affiliation(s)
- Hossam Mossa
- Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Essam ElKhatat
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Ahmed M Hassan
- Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Khaled Beshr
- Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
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Abdelrahim RA, Badr NA, Baroudi K. Effect of anodization and alkali-heat treatment on the bioactivity of titanium implant material (an in vitro study). J Int Soc Prev Community Dent 2016; 6:189-95. [PMID: 27382532 PMCID: PMC4916790 DOI: 10.4103/2231-0762.183107] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 04/04/2016] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE This study was aimed to assess the effect of anodized and alkali-heat surface treatment on the bioactivity of titanium alloy (Ti-6Al-4V) after immersion in Hank's solution for 7 days. MATERIALS AND METHODS Fifteen titanium alloy samples were used in this study. The samples were divided into three groups (five for each), five samples were anodized in 1M H3PO4 at constant voltage value of 20 v and another five samples were alkali-treated in 5 M NaOH solution for 25 min at temperature 60°C followed by heat treatment at 600°C for 1 h. All samples were then immersed in Hank's solution for 7 days to assess the effect of surface modifications on the bioactivity of titanium alloy. The different treated surfaces and control one were characterized by X-ray diffraction, atomic force microscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, and Fourier transformation infra-red spectroscopy. Statistical analysis was performed with PASW Statistics 18.0(®) (Predictive Analytics Software). RESULTS Anodization of Ti-alloy samples (Group B) led to the formation of bioactive titanium oxide anatase phase and PO4 (3-) group on the surface. The alkali-heat treatment of titanium alloy samples (Group C) leads to the formation of bioactive titania hydrogel and supplied sodium ions. The reaction between the Ti sample and NaOH alkaline solution resulted in the formation of a layer of amorphous sodium titania on the Ti surface, and this layer can induce apatite deposition. CONCLUSIONS The surface roughness and surface chemistry had an excellent ability to induce bioactivity of titanium alloy. The anodization in H3PO4 produced anatase titanium oxide on the surface with phosphate originated from electrolytes changed the surface topography and allowed formation of calcium-phosphate.
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Affiliation(s)
- Ramy A. Abdelrahim
- Department of Dental Biomaterials, School of Dentistry, Al-Azhar University, Egypt, Kingdom of Saudi Arabia
- Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Kingdom of Saudi Arabia
| | - Nadia A. Badr
- Department of Dental Biomaterials, Faculty of Oral and Dental Medicine, Cairo University, Egypt
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Kingdom of Saudi Arabia
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Kalakonda B, Farista S, Koppolu P, Baroudi K, Uppada U, Mishra A, Savarimath A, Lingam AS. Evaluation of Patient Perceptions After Vestibuloplasty Procedure: A Comparison of Diode Laser and Scalpel Techniques. J Clin Diagn Res 2016; 10:ZC96-ZC100. [PMID: 27437370 DOI: 10.7860/jcdr/2016/17623.7820] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 01/29/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Inadequate vestibular depth results in poor plaque control owing to an insufficient width of keratinized gingiva. Vestibuloplasty provides the necessary vestibular depth and can be performed either with a scalpel, electrocautery or lasers. AIM To evaluate the patient perceptions related to pain and discomfort on the 1(st), 3(rd) and the 7(th) day post vestibuloplasty and also assess the healing outcomes related to the treatment of inadequate vestibular depth either with the diode laser or the scalpel. MATERIALS AND METHODS Twenty patients who had inadequate vestibular depth and required vestibuloplasty were assigned randomly to undergo the procedure either with the scalpel or the laser. The data obtained was analysed for intergroup comparison with an independent paired t-test and intragroup comparison was determined by a paired t-test. RESULTS Intragroup comparison within the laser group for VAS scores of pain and discomfort within all the reported days exhibited a significant difference (p<0.05). Inter group comparison revealed that the patients in the laser group had lower VAS cores for pain and discomfort compared to the scalpel group (p<0.05). Analysis of the three pointer scale for healing revealed that the patients in the laser group exhibited better healing outcomes on the 1(st), 3(rd) and the 7(th) day compared to the scalpel group. CONCLUSION Observations from the study highlight the opinion that laser can be a safe and effective alternative to traditional vestibuloplasty performed with the scalpel.
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Affiliation(s)
- Butchibabu Kalakonda
- Faculty, Department of Preventive Dental Sciences, AlFarabi Colleges , Riyadh, KSA
| | - Sana Farista
- Faculty, Department of Periodontics, Maitri Dental College , Chhattisgarh, India
| | - Pradeep Koppolu
- Faculty, Department of Preventive Dental Sciences, AlFarabi Colleges , Riyadh, KSA
| | - Kusai Baroudi
- Faculty, Department of Preventive Dental Sciences, AlFarabi Colleges , Riyadh, KSA
| | - Udaykiran Uppada
- Faculty, Department of Oral and Maxillofacial surgery, Sri Sai College of Dental Surgery , Vikarabad, Telangana, India
| | - Ashank Mishra
- Faculty, Department of Periodontics, Sri Sai College of Dental Surgery , Vikarabad, Telangana, India
| | - Abhishek Savarimath
- Faculty, Department of Prosthodontics, Sri Sai College of Dental Surgery , Vikarabad, Telangana, India
| | - Amara Swapna Lingam
- Faculty, Department of Oral and Maxillofacial Sciences, AlFarabi Colleges , Riyadh, KSA
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Basalamah M, Baroudi K. Prevalence of oro-dental anomalies among schoolchildren in Sana'a city, Yemen. East Mediterr Health J 2016; 22:33-38. [PMID: 27117648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Accepted: 10/21/2015] [Indexed: 06/05/2023]
Abstract
Practitioners and policy-makers need information about the relative frequency of dental anomalies among children in their region. This study investigated the prevalence of different oral anomalies among schoolchildren in Sana'a city, Yemen. A sample of 1000 private and public schoolchildren aged 4-12 years were examined by the same examiner using disposable tongue blades. The total prevalence of oral anomalies was 15.1%, most commonly in boys (male:female ratio 3.2:1) aged 7-12 years. The most prevalent dental anomaly related to hard tissues was tooth hypoplasia (2.8%), followed by hypocalcification (2.6%), then microdontia (0.5%), macrodontia (0.4%), hypodontia (0.4%), supernumerary teeth (0.3%), tooth transposition (0.3%), dental fusion (0.2%) and gemination (0.2%). The most prevalent soft tissues anomaly was fissured tongue (4.0%), followed by ankyloglossia (1.8%), geographic tongue (0.9%), macroglossia (0.4%) and hairy tongue (0.3%). Appropriate measures need to be taken early to mitigate the negative impact and later costs of treatment of anomalies.
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Affiliation(s)
- M Basalamah
- Department of Preventive Dental Sciences, Al-Farabi College, Riyadh, Saudi Arabia
| | - K Baroudi
- Department of Preventive Dental Sciences, Al-Farabi College, Riyadh, Saudi Arabia
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Kalakonda B, Koppolu P, Baroudi K, Mishra A. Periodontal Systemic Connections-Novel Associations-A Review of the Evidence with Implications for Medical Practitioners. Int J Health Sci (Qassim) 2016; 10:293-307. [PMID: 27103910 PMCID: PMC4825901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023] Open
Abstract
Periodontal diseases, considered as inflammatory diseases have proved to have a spectrum of systemic implications. Earliest research has associated periodontal disease with common systemic aliments such as hypertension, diabetes, osteoporosis, rheumatoid arthritis to name a few. The evolution of advanced diagnostic aids let researchers make vast inroads in linking periodontal diseases to systemic diseases like Alzheimer's disease (AD) and even Schizophrenia. Our aim was to review and critically evaluate comprehensive literature and provide knowledge to medical practitioners on these associations so as to pave way for closer interactions between medical and dental practitioners in implementing better health care. Electronic databases such as PubMed, Google Scholar and Cochrane databases were used as source of the data for relevant studies published from 2005 up to 2015 with the following keywords, "'Periodontal disease", "systemic conditions", "periodontal disease and Alzheimer's", "Periodontal disease and Schizophrenia", "Periodontal disease and Psoriasis" and "Periodontal disease and erectile dysfunction". The evidence presented ascertains that a reasonable and modest association does exist between Periodontal disease and Alzheimer's, Schizophrenia, Erectile dysfunction, as well as Psoriasis and thus establishes periodontal disease as a potential risk factor.
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Affiliation(s)
| | - Pradeep Koppolu
- Department of Preventive Dental Sciences, AlFarabiColleges, Riyadh, KSA
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, AlFarabiColleges, Riyadh, KSA
| | - Ashank Mishra
- Department of Periodontics, Sri Sai College of Dental Surgery, Vikarabad, Telangana, India
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Abstract
BACKGROUND The surface of an implantable biomaterial plays a very important role in determining the biocompatibility, osteoinduction, and osteointegration of implants because it is in intimate contact with the host bone and soft tissues. OBJECTIVE This study was aimed to assess the effect of plasma surface treatment on the bioactivity of titanium alloy (Ti-6Al-4V). MATERIALS AND METHODS Fifteen titanium alloy samples were used in this study. The samples were divided into three groups (with five samples in each group). Five samples were kept untreated and served as control (group A). Another five plasma samples were sprayed for nitrogen ion implantation on their surfaces (group B) and the last five samples were pre-etched with acid before plasma treatment (group C). All the investigated samples were immersed for 7 days in Hank's balanced salt solution (HBSS) which was used as a simulating body fluid (SBF) at pH 7.4 and 37°C. HBSS was renewed every 3 days. The different surfaces were characterized by X-ray diffraction (XRD), Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDXA), and Fourier Transformation Infrared Spectroscopy (FTIR). RESULTS Nitriding of Ti-alloy samples via plasma nitrogen ion implantation increased the bioactivity of titanium. Moreover, the surface topography affected the chemical structure of the formed apatite. Increasing the surface roughness enhanced the bioactivity of the implant material. CONCLUSIONS Nitridation can be exploited as an effective way to promote the formation of bone-like material on the implant surface.
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Affiliation(s)
- Ramy A Abdelrahim
- Department of Dental Biomaterials, School of Dentistry, Al-Azhar University, Cairo, Egypt; Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Nadia A Badr
- Department of Dental Biomaterials, Cairo University, Cairo, Egypt
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
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Koppolu P, Mishra A, Swapna LA, Butchibabu K, Bagalkokar A, Baroudi K. Comparison of efficacy among various topical anesthetics: An approach towards painless injections in periodontal surgery. Saudi J Anaesth 2016; 10:55-7. [PMID: 26955311 PMCID: PMC4760043 DOI: 10.4103/1658-354x.169476] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background and Aims: Local anesthetics (LAs) are most commonly used agents in dentistry. They are used to prevent the pain and nociception generated during dental procedures. Since pain associated at the time of injection of LA is uncomfortable, most of the dentists are on pursuit of painless administration of LA injection and use of topical anesthetics prior to the injection has proven effective in reducing anxiety and pain to the patient. The aim of this study is to compare pain responses after application of three types of topical anesthetics with control in the patients referred for periodontal full mouth flap surgery. Materials and Methods: A total of 83 patients (42 males and 41 females) participated in the study with age group ranging from 30 to 50 years. The present study is to evaluate the efficacy of three topical anesthetics (Precaine gel, Benzocaine topical paste and Lignocaine spray) before infiltration in altering visual analog scale (VAS) scores of pain during LA injection. The statistical analysis was performed using SPSS version 15.0 software. Repeated analysis of variance was performed to know the effect of each variable and reveal statistical significance. Results: Results revealed that Precaine gel had least VAS score compared with other topical anesthetics. Conclusion: From the present study, it can be concluded that procaine gel is a better than other topical LA agents, as the number of studies on this subject is rare and clinical results are mixed, further studies are required with a larger sample before its routine application in our field.
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Affiliation(s)
- P Koppolu
- Department of Periodontics, Sri Sai College of Dental Surgery, Vikarabad, Hyderabad, Telangana, India
| | - A Mishra
- Department of Periodontics, Sri Sai College of Dental Surgery, Vikarabad, Hyderabad, Telangana, India
| | - L A Swapna
- Department of Oral Medicine and Radiology, Sri Sai College of Dental Surgery, Vikarabad, Hyderabad, Telangana, India
| | - K Butchibabu
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - A Bagalkokar
- Department of Pedodontics, Sri Sai College of Dental Surgery, Vikarabad, Hyderabad, Telangana, India
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Saudi Arabia
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Umar D, Dilshad B, Farhan M, Ali A, Baroudi K. The effect of pomegranate mouthrinse on Streptococcus mutans count and salivary pH: An in vivo study. J Adv Pharm Technol Res 2016; 7:13-6. [PMID: 26955605 PMCID: PMC4759979 DOI: 10.4103/2231-4040.173266] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Herbal mouthwashes have been considered to be a more advantageous option to their chemical counterparts, for a long-time. The use of pomegranate fruit dates from ancient times and reports of its therapeutic abilities have echoed throughout the ages. To evaluate the effect on the salivary pH and the Streptococcus mutans count in healthy subjects before and after pomegranate mouthrinse. Fifty healthy patients were randomly divided into two groups of 25 subjects each. Group A was treated with 0.2% chlorhexidine mouthrinse; while Group B was treated with pomegranate peel extract (PPE) mouthrinse and the saliva samples were collected at three different intervals: Prerinse, after 10 min, and 60 min. The salivary pH was measured using a digital pH meter and the S. mutans count was determined by the commercial system Dentocult SM. The statistical analyses used in this study are Mann–Whitney U-test and t-test. PPE mouthrinse had an inhibitory effect on S. mutans count in adults. There was also an increase in the salivary pH after 10 min of the mouthrinse. PPE mouthrinse may be considered as a potential anticariogenic mouthrinse.
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Affiliation(s)
- Dilshad Umar
- Department of Preventive Dental Sciences, Al Farabi Colleges, Riyadh, Saudi Arabia
| | - Bahija Dilshad
- Department of Preventive Dental Sciences, Al Farabi Colleges, Riyadh, Saudi Arabia
| | - Mohammed Farhan
- Department of Pedodontics, Century Dental College, Kasargod, Kerala, India
| | - Arshiya Ali
- Department of General Medicine, Alvas Ayurvedic College and Hospital, Moodbidri, Karnataka, India
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Al Farabi Colleges, Riyadh, Saudi Arabia
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Darwish M, Nassani MZ, Baroudi K. Effect of neutral zone technique on marginal bone loss around implant-supported overdentures. J Int Soc Prev Community Dent 2016; 5:S57-62. [PMID: 26942118 PMCID: PMC4756568 DOI: 10.4103/2231-0762.164786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Aim: The aim of this study was to compare changes in marginal bone height around immediately loaded implants supporting a mandibular overdenture constructed according to the neutral zone technique with changes around overdentures constructed according to the conventional methods. Materials and Methods: Twelve completely edentulous male patients were randomly allocated to two equal groups of patients. Patients in the first group received conventionally constructed complete dentures and patients in the second group received complete dentures constructed using the neutral zone record. All the patients received two single-piece titanium implants placed bilaterally in the mandibular canine regions using flapless surgery, which were then immediately loaded by the dentures. Marginal bone height was radiographically evaluated at baseline and 6, 12, and 18 months after implant loading. Results: There was a significant loss in marginal bone height around the supporting implants in each study group. However, no significant differences in marginal bone height were recorded between the study groups over the observation period (P > 0.05). Conclusion: Marginal bone height changes induced by overdentures constructed with neutral zone technique on immediately loaded implants are not different from those changes induced by overdentures constructed with a conventional method.
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Affiliation(s)
- Mahmoud Darwish
- Department of Prosthodontics, Suez Canal University, Ismailia, Egypt; Department of Restorative Dental Sciences, Al-Farabi Colleges, Riyadh, Saudi Arabia
| | | | - Kusai Baroudi
- Department of Restorative Dental Sciences, Al-Farabi Colleges, Riyadh, Saudi Arabia
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Abstract
Purpose of the Study: The purpose was to investigate the differences in tooth shade value according to age, gender and skin color among a sample of the local population in Bengaluru, India. Methodology: The study comprised 100 subjects belonging to both gender between the age groups of 16 years to 55 years. Tooth shade values of permanent maxillary left or right central incisors were recorded using the Vitapan 3D-Master shade guide. Skin color was matched using the Radiance compact makeup shades as a guide. Results: Chi-square statistical test demonstrated that younger subjects have lighter tooth shade values. No statistically significant differences were recorded in tooth shade value according to gender or skin color. Conclusion: Within the limitations of the current study, it can be concluded that tooth shade value is significantly influenced by age. Gender and skin color appear not to have a significant relation to tooth shade value.
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Affiliation(s)
- Sumanth K Veeraganta
- Department of Restorative Dental Sciences, Al-Farabi Colleges, Riyadh, Saudi Arabia
| | - Ravindra C Savadi
- Rajiv Gandhi University of Health Sciences, Bengaluru, Karnataka, India
| | - Kusai Baroudi
- Department of Restorative Dental Sciences, Al-Farabi Colleges, Riyadh, Saudi Arabia
| | - Mohammad Z Nassani
- Department of Restorative Dental Sciences, Al-Farabi Colleges, Riyadh, Saudi Arabia
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Labib LM, Nabih SM, Baroudi K. Evaluation of cuspal deflection in premolar teeth restored with low shrinkable resin composite (in vitro study). J Int Soc Prev Community Dent 2016; 5:470-5. [PMID: 26759800 PMCID: PMC4697231 DOI: 10.4103/2231-0762.167725] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objectives: This study evaluated cuspal deflection in premolar teeth restored with low shrinkable resin composite. Materials and Methods: A total of 40 human premolars were used for cuspal deflection evaluation in this study. Each group was divided into four equal groups according to the type of resin composite and the adhesive used as follows: group A: Using low shrinkable resin composite (silorane) with its adhesive system; group B: Using low shrinkable composite (silorane) with G-bond; group C: Using Filtek Z350 composite with G-bond; and group D: Using Filtek Z350 composite with AdheSE. Cusp deflection was detected using Universal measuring microscope and laser horizontal metroscope. Results: This study was done to investigate the effect of polymerization shrinkage stresses of two resin composite materials (Filtek Z350 and Filtek P90) on cuspal deflection of mesio-occluso-distal restoration. For this study, the extracted non-carious maxillary second premolars were selected. Forty teeth that showed no more than 5% variation in their dimensions were used. A significant increase in cuspal deflection of cavities restored with the methacrylate-based (Filtek Z350) compared with the silorane (P90) resin-based composites was obtained. Conclusion: The change in the organic matrix or materials formulation of the resin composite using silorane has a positive effect on controlling the cusp deflection.
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Affiliation(s)
- Labib Mohamed Labib
- Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Kingdom of Saudi Arabia
| | | | - Kusai Baroudi
- Department of Preventive Dental Sciences, Alfarabi Colleges, Riyadh, Kingdom of Saudi Arabia
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Abstract
BACKGROUND Recently, oral microbiome has gained popularity among scientists. Microorganisms are no longer considered as disease-producing pathogens, rather they are now considered as partners of human in maintaining health. Since ancient times, changes in our lifestyle have affected our microbiome and the balance with their human host has been perturbed. The present review includes the description about factors affecting oral microbiome and establishing symbiosis with the human host so that they contribute in maintaining health rather than eliciting diseases. MATERIALS AND METHODS A comprehensive literature search was performed on databases such as Google Scholar, PubMed and Medline until April 2015. First, articles were selected on the basis of their titles and then abstracts were screened and unwanted articles were excluded. Articles obtained from all the databases were checked and duplicate articles were removed. Articles obtained from various databases: PubMed = 35, Google Scholar=8. Out of these 43 articles, total 29 articles were finally selected for this review. RESULTS The published literature suggests that the modern oral microbiome is less biodiverse, and possess more pathogenic bacterial species and lesser beneficial bacteria. The possible factors mainly responsible for this shift in microbiome were found to be change in diet, industrial revolution and indiscriminate use of antibiotics. CONCLUSION Various changes in lifestyles have affected oral microbiome adversely and perturb the symbiosis between the microbiome and their hosts. The present oral microbiome is found to be less diverse and more pathogenic. The present review may be helpful in understanding the relationship between the microbiome and their human hosts so that microbiome contributes in maintaining healthy state of the body.
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Affiliation(s)
- Namrata Dagli
- Past Member, Ethical Committee of Clinical Research, Care Institute of Medical Science, Ahmedabad, Gujarat, India, e-mail:
| | - Rushabh Dagli
- Department of Dental Public Health, Vyas Dental college and Hospital, Jodhpur, Rajasthan, India
| | - Shrouq Darwish
- Department of Oral Medicine and Diagnostic Sciences Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Alfarabi Colleges Riyadh, Saudi Arabia
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Abstract
BACKGROUND Dentists encounter numerous professional stressful situations, beginning from education to day-to-day practice. The resulting stress tends to have a negative impact on their personal as well as professional lives. OBJECTIVES To measure daily burnout, and to investigate the extent of expectations from dental career and the feeling of being unqualified new dental practitioner. MATERIALS AND METHODS A close-ended questionnaire, i.e., "the Copenhagen Burnout Inventory," was utilized for evaluation. A total of 121 dentists with an experience ranging between 6 months and 5 years were included. The period was considered initiating from graduation to dental practicing in urban or rural areas. Ninety-seven dentists replied with filled questionnaires (80.16%). The multivariant analysis was done using SPSS 11.0 ver. (Chicago, USA). RESULTS Using measures analysis, the mean scores for dentists on the basis of age and sex (n = 97) were calculated. The factors most commonly considered responsible for professional burnout were emotional exhaustion (39.27%), frustrations (47.83%), feeling worn out at the end of the day (35.05%), feeling worn out at the end of the working day (46.80%), exhaustion in the morning at the thought of another day at work (35.05%), feeling that every working hour is tiring (46.80%), less energy and less time for family and friends (47.83%). The most common cause for stress was professional burnout that was recorded commonly in females in the age range of 26-28 years. CONCLUSIONS Dentists are more prone for professional burnout, anxiety, and depression. The main reason for this is the nature of their practice and their personality traits, especially while pursuing dentistry as a carrier. Stress may lead to negative impact on dentists' personal as well as professional lives.
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Affiliation(s)
- Suhas Kulkarni
- Department of Public Health Dentistry, Paniniya Institute of Dental Science, NTR University, Vijayawada, Andhra Pradesh, India
| | - Namrata Dagli
- Past Member Ethics Committee for Research, Care Institute of Medical Sciences, Ahmedabad, Gujarat, India
| | - Prabu Duraiswamy
- Department of Preventive and Community Dentistry, Darshan Dental College and Hospital, Udaipur, Rajasthan, India
| | - Harshit Desai
- Department of Preventive and Community Dentistry, Darshan Dental College and Hospital, Udaipur, Rajasthan, India
| | - Himanshu Vyas
- Department of Preventive and Community Dentistry, Darshan Dental College and Hospital, Udaipur, Rajasthan, India
| | - Kusai Baroudi
- Department of Restorative Dental Sciences, Alfarabi Colleges, Riyadh, Kingdom of Saudi Arabia
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Swapna L, Koppolu P, Basil T, Koppolu D, Baroudi K. Awareness of Consumer Protection Act among the dental fraternity in India. J Orofac Sci 2016. [DOI: 10.4103/0975-8844.181924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Basalamah M, Baroudi K. Prevalence of oro-dental anomalies among schoolchildren in Sana'a city, Yemen. East Mediterr Health J 2016. [DOI: 10.26719/2016.22.1.34] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Dhaifullah E, Al-Maweri SA, Al-Motareb F, Halboub E, Elkhatat E, Baroudi K, Tarakji B. Periodontal Health Condition and Associated Factors among University Students, Yemen. J Clin Diagn Res 2015; 9:ZC30-3. [PMID: 26813290 DOI: 10.7860/jcdr/2015/16435.6964] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Accepted: 10/23/2015] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Studies on oral health status among Yemeni population are scarce. AIM This study aimed to evaluate the periodontal health among advantaged section of Yemeni society, university students, in health and non-health fields. MATERIALS AND METHODS Periodontal health status of a sample of 360 students from dental, medical and literature faculties (120 each with equal gender distribution) at Sana'a University was evaluated by two calibrated examiners using CPI index. Data regarding tooth-brushing practices and smoking and khat chewing habits were obtained using a structured interview questionnaire. RESULTS Only 45 students (12.5%) had healthy periodontium, while 113 (31.4%), 186 (51.7%) and 16 (4.4%) had bleeding, calculus and shallow pocket, respectively, with no significant differences between faculties. Females revealed significantly better periodontal health compared to males, though their bleeding score was higher. Dental and medical students and female students in general were significantly more interested in tooth-brushing and significantly less interested in practicing the deleterious habits such as smoking and khat chewing. CONCLUSION The overall periodontal health of Sana'a University students is still unsatisfactory even among students in health field. Females and students in health field revealed better periodontal health and oral health practices (tooth-brushing) in comparison to male students and those in non-health field. The negative effects of the highly prevalent smoking and khat chewing habits deserve further reliable researches and proper educational programs at the national level.
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Affiliation(s)
- Esam Dhaifullah
- Assistant Professor, Department of Periodontology, Faculty of Dentistry, Sana'a University , Sana'a, Yemen; Department of Pedodontics, Periodontology and Preventive Dentistry, Al-Farabi Colleges, Riyadh, Saudi
| | - Sadeq Ali Al-Maweri
- Assistant Professor, Department of Oral Medicine and Diagnostic Sciences, Al-Farabi Colleges , Riyadh, Saudi; Department of Oral Medicine and Diagnosis, Sana'a University, Yemen
| | - Fouad Al-Motareb
- Assistant Professor, Department of Orthodontic, Faculty of Dentistry, Sana'a University , Sana'a, Yemen
| | - Esam Halboub
- Assistant Professor, Department of Oral Medicine and Diagnosis, Sana'a University , Yemen
| | - Essam Elkhatat
- Assistant Professor Department of Pedodontics, Periodontology and Preventive Dentistry, Al-Farabi Colleges , Riyadh, Saudi
| | - Kusai Baroudi
- Assistant Professor, Department of Pedodontics, Periodontology and Preventive Dentistry, Al-Farabi Colleges , Riyadh, Saudi
| | - Bassel Tarakji
- Assistant Professor, Department of Oral Medicine and Diagnostic Sciences, Al-Farabi Colleges , Riyadh, Saudi
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Ali A, Umar D, Farhan M, Basheer B, Baroudi K. Effect of Brahmyadi Churna (Brahmi, Shankhapushpi, Jatamansi, Jyotishmati, Vacha, Ashwagandha) and tablet Shilajatu in essential hypertension: An observational study. J Adv Pharm Technol Res 2015; 6:148-53. [PMID: 26605154 PMCID: PMC4630720 DOI: 10.4103/2231-4040.165015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Hypertension (HTN) is one among the fiery health problems of the present era. Since it does not cause symptoms usually for many years until a vital organ is damaged. The present study was carried out on 40 patients of essential HTN with Brahmyadi Churna and tablet Shilajatu for a period of 1 month with milk as Anupana. Observation was done before the treatment, 3 mid test assessments on 7th, 14th, and 21st day, posttest assessment was done on 30th day. Intervention revealed that 19 had marked improvement, 14 had moderate improvement, 5 had mild improvement, and no improvement was noticed in 2 individuals. Reduction in blood pressure was observed markedly with P < 0.000.
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Affiliation(s)
- Arshiya Ali
- Department of General Medicine, Alvas Ayurvedic College and Hospital, Moodbidri, Karnataka, India
| | - Dilshad Umar
- Department of Preventive Dental Sciences, Al Farabi Colleges, Riyadh, Saudi Arabia
| | - Mohammed Farhan
- Department of Pedodontics, Century Dental College, Kasargod, Kerala, India
| | - Bahija Basheer
- Department of Preventive Dental Sciences, Al Farabi Colleges, Riyadh, Saudi Arabia
| | - Kusai Baroudi
- Department of Preventive Dental Sciences, Al Farabi Colleges, Riyadh, Saudi Arabia
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Hamza MOB, Gufran K, Baroudi K. Assessment of the Potential of CFC (Calcium hydroxide Flagyl Ciprofloxacin) for the Rapid Disinfection of Resilon and Gutta-Percha. J Clin Diagn Res 2015; 9:ZC40-3. [PMID: 26557614 DOI: 10.7860/jcdr/2015/13442.6619] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 08/20/2015] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Obturating materials exposed to the dental operating environment has been shown to be contaminated, making rapid chair side disinfection mandatory to ensure the sterility of the root canals. OBJECTIVE The purpose of this study was to investigate the effectiveness of CFC (combination of Calcium hydroxide, Flagyl and Ciprofloxacin) for the rapid disinfection of Gutta-percha and Resilon cones. MATERIALS AND METHODS Seventy new Gutta-percha and Resilon cones were randomly selected, contaminated with Enterococcus faecalis and divided into 4 group according to the irrigant used for disinfection {Group I: 5.25% Sodium Hypochlorite (NaOCl), Group II: MTAD, Group III: 2% Chlorhexidine (CHX), Group IV: CFC (a combination of Calcium hydroxide, Flagyl and Ciprofloxacin)}. All the samples were placed in a centrifuge tube with BHI broth after being washed with sterile water. The samples were then incubated for 7 days at 37(o)C. Samples were randomly plated on Mac Conkey agar plate and the colony count was recorded and the observations were drawn. RESULTS A 5.25% NaOCl required 1 minute exposure for effective disinfection of all the samples. MTAD could eliminate E.faecalis from gutta-percha samples in 30 seconds whereas it required 1 minute of exposure for Resilon cones. Both 2% CHX and CFC could not disinfect the samples with 1 minute exposure and a minimum of 5 minute exposure was required. CONCLUSION A 5.25% NaOCl and Biopure MTAD required less chair side time to disinfect all the samples effectively when compared with 2% CHX and CFC.
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Affiliation(s)
- Mariam Omer Bin Hamza
- Lecturer, Department of Restorative Dental Sciences, Al-Farabi Colleges , Riyadh, Saudi Arabia
| | - Khalid Gufran
- Lecturer, Department of Preventive Dental Sciences, College of Dentistry, Salman Bin Abdul Aziz University , Al-Kharj, Saudi Arabia
| | - Kusai Baroudi
- Assistant Professor, Department of Preventive Dental Sciences, Al-Farabi Colleges , Riyadh, Saudi Arabia
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Penumatsa NV, Kaminedi RR, Baroudi K, Barakath O. Evaluation of remineralization capacity of casein phosphopeptide-amorphous calcium phosphate on the carbamide peroxide treated enamel. J Pharm Bioallied Sci 2015; 7:S583-6. [PMID: 26538923 PMCID: PMC4606665 DOI: 10.4103/0975-7406.163556] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Objective: The aim of this study was to evaluate the potential of casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) in remineralizing the bleached enamel surface using micro-hardness. Materials and Methods: Thirty human enamel slabs were randomly divided into three groups (n = 10). Groups A and B were exposed to 20% carbamide peroxide and 35% carbamide peroxide gel, respectively. After the exposure to the bleaching agent, the slabs were kept in artificial saliva for 1-week. Group C (control group) were kept in artificial saliva for 1-week. Vickers micro-hardness test was performed by Leica VMHT-Mot micro-hardness tester. CPP-ACP (Gc Tooth Mousse, Melbourne, Australia) was then applied to specimens of Groups A and B for 3 min for 2 weeks. Micro-hardness values of postbleach Group A (Ar) and Group B (Br) were recorded and statistically analyzed by paired t-test and one-way analysis of variance at the significance level of α =0.05. Results: There was a significant decrease in micro-hardness of enamel in carbamide peroxide bleached groups. However, there was a significant increase in micro-hardness after the remineralization by CPP-ACP and the extent of remineralization is more for the Group B. Conclusions: That bleaching agents reduced enamel micro-hardness and the use of CPP-ACP after bleaching can significantly enhance the micro-hardness of bleached enamel.
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Affiliation(s)
- Narendra Varma Penumatsa
- Department of Preventive Dental Sciences, College of Dentistry, Salman Bin Abdul Aziz University, Alkharjh 11942, Kingdom of Saudi Arabia
| | - Raja Rajeswari Kaminedi
- Department of Pediatric Dentistry, Al-Farabi College, Riyadh 11691, P. O. Box 85184, Kingdom of Saudi Arabia
| | - Kusai Baroudi
- Department of Restorative Dental Sciences, Al-Farabi College, Riyadh 11691, P. O. Box 85184, Kingdom of Saudi Arabia
| | - Ola Barakath
- Department of Restorative Dentistry, IBN Sina National College of Dentistry, Al Mahjar, Jeddah 22421, Kingdom of Saudi Arabia
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Abstract
Background: Antibacterial treatments currently used for treatment cause several side effects, and bacterial resistance to the antibiotics is also increasing. Therefore, there is need to find better alternatives. Essential oils (EOs) have been used for treatment of various ailments since ancient times and have gained popularity over the years. Safety and efficacy of EOs have been proved by several clinical trials. This review gives an overview on the EOs, their uses, and adverse effects. Materials and Methods: A literature search was performed in the PubMed for clinical trial studies and review articles on EOs published up to February 2015. The search was performed during March 2015. The following keywords were used: “Lavender essential oil,” “cinnamon oil,” “clove oil,” “eucalyptus oil,” “peppermint oil,” “lemon EOs,” and “tea tree oil.” Results: Total 70 relevant articles were found in PubMed database. After screening of abstracts, 52 articles were selected to be included in the present review. Conclusion: On the basis of the available information, it can be concluded that EOs have the potential to be developed as preventive or therapeutic agents for various oral diseases, but further clinical trials are required to establish their safety and efficacy.
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Affiliation(s)
- Namrata Dagli
- Ethics Committee, Care Institute of Medical Sciences, Ahmedabad, Gujarat, India
| | - Rushabh Dagli
- Department of Public Health Dentistry, Vyas Dental College and Hospital, Jodhpur, Rajasthan, India
| | - Rasha Said Mahmoud
- Department of Preventive Dental Science, Alfarabi Colleges, Riyadh, Saudi Arabia
| | - Kusai Baroudi
- Department of Preventive Dental Science, Alfarabi Colleges, Riyadh, Saudi Arabia
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Shehab LA, Basheer B, Baroudi K. Effectiveness of lidocaine Denti patch® system versus lidocaine gel as topical anesthetic agent in children. J Indian Soc Pedod Prev Dent 2015; 33:285-90. [PMID: 26381629 DOI: 10.4103/0970-4388.165664] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND New methods have been introduced to facilitate dental procedures, but the administration of local anesthesia is still necessary to perform pain control during several dental procedures. AIM To evaluate the effectiveness of the lidocaine Denti-patch® system versus the lidocaine topical anesthetic gel in children concerning pain reaction during injection. MATERIALS AND METHODS One hundred 9-12-year-old cooperative children weighing more than 29 kg in need of bilateral dental treatment requiring maxillary and mandibular injection and not suffering from acute pain as a result of pulpits on the day of treatment were selected. The children were then divided into two groups: Group 1 comprising of 50 children in need of bilateral maxillary treatment and Group 2 compromising of 50 children requiring bilateral mandibular treatment. These groups were further subdivided into subgroups A and B; those receiving Denti-patch® on one side and lidocaine gel on the contralateral side, respectively. Pain or comfort was evaluated during injection using sound, eye, motor (SEM) scale (objective method) while, using faces pain rating scale (FPS) scale (subjective method) after injection by a trained assistant blinded to the procedure. STATISTICAL ANALYSIS USED Comparison of the results was performed using Mann-Whitney U-test and Wilcoxon signed-ranks test for SEM and FPS score. RESULT There was a statistically significant difference between the patch and the gel group for maxilla (P < 0.0001), as well as mandible (P = 0.01) with respect to SEM score given by the children. Similarly, with FPS scale, there was a statistically significant difference between the patch and the gel groups in both maxilla and mandible (P < 0.0001). However, there was no statistical difference between the patch Groups 1A and IIA or the gel Groups 1B and II B. CONCLUSION The Denti-patch® system can significantly reduce the needle injection pain more than the gel.
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Affiliation(s)
| | - Bahija Basheer
- Department of Preventive Dental Sciences, Al Farabi College of Dentistry, Riyadh, Kingdom of Saudi Arabia
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Mahross HZ, Mohamed MD, Hassan AM, Baroudi K. Effect of Cigarette Smoke on Surface Roughness of Different Denture Base Materials. J Clin Diagn Res 2015; 9:ZC39-42. [PMID: 26501010 DOI: 10.7860/jcdr/2015/14580.6488] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 07/22/2015] [Indexed: 11/24/2022]
Abstract
BACKGROUND Surface roughness is an important property of denture bases since denture bases are in contact with oral tissues and a rough surface may affect tissues health due to microorganism accumulation. Therefore, the effect of cigarette smoke on the surface roughness of two commercially available denture base materials was evaluated to emphasize which type has superior properties for clinical use. MATERIALS AND METHODS A total numbers of 40 specimens were constructed from two commercially available denture base materials; heat-cured PMMA and visible light cured UDMA resins (20 for each). The specimens for each type were randomly divided into: Group I: Heat cured resin control group; Group II: Heat cured acrylic resin specimens exposed to cigarette smoking; Group III: Light cured resin control group; Group IV: Light cured resin specimens exposed to cigarette smoking. The control groups used for immersion in distilled water and the smoke test groups used for exposure to cigarette smoking. The smoke test groups specimens were exposed to smoking in a custom made smoking chamber by using 20 cigarettes for each specimen. The surface roughness was measured by using Pocket SurfPS1 profilometer and the measurements considered as the difference between the initial and final roughness measured before and after smoking. RESULTS The t-test for paired observation of test specimens after exposure to smoking was indicated significant change in surface roughness for Group II (p< 0.05) but has no significance with Group IV. Otherwise, there were no significant differences with control groups (Group I and III). CONCLUSION The surface roughness of the dentures constructed from heat cured acrylic resin had been increased after exposure to cigarette smoke but had no impact on the dentures constructed from visible light cured resin.
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Affiliation(s)
- Hamada Zaki Mahross
- Assistant Professor, Department of Prosthodontics, Alfarabi Collages , Riyadh, Saudi Arabia
| | | | - Ahmed Mohammed Hassan
- Assistant Professor, Department of Restorative Dental Sciences, Alfarabi Collages , Riyadh, Saudi Arabia
| | - Kusai Baroudi
- Assistant Professor, Department of Preventive Dental Sciences, Alfarabi Collages , Riyadh, Saudi Arabia
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Baroudi K, Mahmoud S. Improving Composite Resin Performance Through Decreasing its Viscosity by Different Methods. Open Dent J 2015; 9:235-42. [PMID: 26312094 PMCID: PMC4541310 DOI: 10.2174/1874210601509010235] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 04/25/2015] [Accepted: 04/27/2015] [Indexed: 11/22/2022] Open
Abstract
The aim of this work was to present the different current methods of decreasing viscosity of resin composite materials such as (using flowable composites, lowering the viscosity of the monomer mixture, heating composites and applying sonic vibration) and furnish dentists with a basis that can provide criteria for choosing one or another to suit their therapeutic requirements. The four discussed methods proved that lowering composite viscosity improves its handling and facilitates its application to cavities with complicated forms, decreasing time for procedure and improving marginal adaptation. Other properties improved by decreasing composite resin viscosity were controversial between the four methods and affected by other factors such as composite brand and light cure unit.
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Affiliation(s)
- Kusai Baroudi
- Department of Restorative Dental Sciences, Al-Farabi College, Riyadh, Saudi Arabia
| | - Said Mahmoud
- Department of Restorative Dental Sciences, Al-Farabi College, Riyadh, Saudi Arabia
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