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Mehdawi IM, Kitagawa R, Kitagawa H, Yamaguchi S, Hirose N, Kohno T, Imazato S. Incorporation of chlorhexidine in self-adhesive resin cements. Dent Mater J 2022; 41:675-681. [PMID: 35584938 DOI: 10.4012/dmj.2022-004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The aim of this study was to evaluate the maximum amount of chlorhexidine (CHX) that could be incorporated to self-adhesive resin cements to add antibacterial effect without affecting the physical properties. The CHX was incorporated into a commercial self-adhesive resin cement at mass fractions of 0.5-15 wt%, and the CHX-release profile, antibacterial effect, flexural and bond strengths of experimental cements were evaluated. Increasing the CHX content from 5 to 15 wt% resulted in a higher released concentration of CHX. In agar diffusion tests, experimental cements containing 5, 10, and 15 wt% CHX produced inhibition zones against oral bacteria. In flexural strength and shear bond strength to dentin, no significant reduction was observed with the incorporation of 5 wt% CHX. This in vitro study suggests that the addition of 5 wt% CHX yielded an antibacterial self-adhesive cement and had no adverse effect on the flexural and shear bond strengths.
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Affiliation(s)
| | - Ranna Kitagawa
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry
| | - Haruaki Kitagawa
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry.,Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry
| | - Satoshi Yamaguchi
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry
| | - Nanako Hirose
- Department of Restorative Dentistry and Endodontology, Osaka University Graduate School of Dentistry
| | - Tomoki Kohno
- Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry
| | - Satoshi Imazato
- Department of Biomaterials Science, Osaka University Graduate School of Dentistry.,Department of Advanced Functional Materials Science, Osaka University Graduate School of Dentistry
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Kharouf N, Eid A, Hardan L, Bourgi R, Arntz Y, Jmal H, Foschi F, Sauro S, Ball V, Haikel Y, Mancino D. Antibacterial and Bonding Properties of Universal Adhesive Dental Polymers Doped with Pyrogallol. Polymers (Basel) 2021; 13:1538. [PMID: 34064954 PMCID: PMC8151108 DOI: 10.3390/polym13101538] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 02/06/2023] Open
Abstract
This study investigated the antibacterial activity, bond strength to dentin (SBS), and ultra-morphology of the polymer-dentin interface of experimental adhesive systems doped with pyrogallol (PY), which is a ubiquitous phenolic moiety that is present in flavonoids and polyphenols. A universal adhesive containing 4-META and 10-MDP was used in this study. PY behaves as an antioxidant and anti-cancerogenic agent and it was incorporated into the adhesive at different concentrations (0.5 and 1 wt.%). The antibacterial activity and SBS were analyzed and the results were statistically analyzed. The ultra-morphology of the polymer-dentin interface was assessed using scanning electron microscopy (SEM). At 24 h, a lower antibacterial activity was observed for the control adhesive compared to those with 0.5% and 1% PY. No difference was seen in SBS between the three groups at 24 h. After 6 months, the SBS of the 0.5% PY adhesive was significantly lower than the other tested adhesives. The specimens created with 1% PY adhesive presented a higher bond strength at six months compared with that found at 24 h. No morphological differences were found at the polymer-dentin interfaces of the tested adhesives. Pyrogallol may be incorporated into modern universal adhesive systems to preserve the polymer-dentin bonding interface and confer a certain degree of antibacterial activity.
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Affiliation(s)
- Naji Kharouf
- Department of Endodontics, Faculty of Dental Medicine, Strasbourg University, 67000 Strasbourg, France; (Y.A.); (V.B.); (Y.H.); (D.M.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France
| | - Ammar Eid
- Department of Endodontics, Faculty of Dental Medicine, Damascus University, Damascus 0100, Syria;
| | - Louis Hardan
- Department of Restorative Dentistry, Saint-Joseph University, Beirut 11072180, Lebanon; (L.H.); (R.B.)
| | - Rim Bourgi
- Department of Restorative Dentistry, Saint-Joseph University, Beirut 11072180, Lebanon; (L.H.); (R.B.)
| | - Youri Arntz
- Department of Endodontics, Faculty of Dental Medicine, Strasbourg University, 67000 Strasbourg, France; (Y.A.); (V.B.); (Y.H.); (D.M.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France
| | - Hamdi Jmal
- ICube Laboratory, UMR 7357 CNRS, Mechanics Department, University of Strasbourg, 67000 Strasbourg, France;
| | - Federico Foschi
- Department of Endodontics, Faculty of Dentistry, Oral & Craniofacial Sciences, Floor 22 Tower Wing, Guy’s Dental Hospital, London SE1 9RT, UK;
- Peninsula School of Medicine and Dentistry, Plymouth University, Plymouth PL4 8AA, UK
- Department of Therapeutic Dentistry, I.M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia;
| | - Salvatore Sauro
- Department of Therapeutic Dentistry, I.M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia;
- Dental Biomaterials and Minimally Invasive Dentistry, Department of Dentistry, Cardenal Herrera-CEU University, C/Santiago Ramón y Cajal s/n, Alfara del Patriarca, 46115 Valencia, Spain
| | - Vincent Ball
- Department of Endodontics, Faculty of Dental Medicine, Strasbourg University, 67000 Strasbourg, France; (Y.A.); (V.B.); (Y.H.); (D.M.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France
| | - Youssef Haikel
- Department of Endodontics, Faculty of Dental Medicine, Strasbourg University, 67000 Strasbourg, France; (Y.A.); (V.B.); (Y.H.); (D.M.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France
| | - Davide Mancino
- Department of Endodontics, Faculty of Dental Medicine, Strasbourg University, 67000 Strasbourg, France; (Y.A.); (V.B.); (Y.H.); (D.M.)
- Department of Biomaterials and Bioengineering, INSERM UMR_S 1121, Strasbourg University, 67000 Strasbourg, France
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Shinde SD, Pai V, Vijay Naik R. An In vitro Assessment of Antibacterial Activity of Three Self-etching Primers Against Oral Microflora. APOS TRENDS IN ORTHODONTICS 2017. [DOI: 10.4103/apos.apos_11_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Aims
This study aims to evaluate and compare the antibacterial activity of three self-etching primers (SEP), namely, Transbond plus, Reliance, and Gluma against commonly encountered oral microflora (Streptococcus mutans, Lactobacillus acidophilus, and Actinomyces viscosus).
Subjects and Methods
The antibacterial activity of the three SEPs was examined against microorganisms using agar diffusion test (ADT) and minimum inhibitory concentration (MIC). In ADT, Whatman’s filter paper disc of 5 mm was loaded with primer and polymerized. This was placed on previously inoculated brain heart infusion and blood agar plates and was incubated for 48– 72 h at 37°C according to the microorganism. For assessing MIC serial dilution method was used.
Statistical Analysis Used
Data were analyzed with Kruskal–Wallis (P < 0.001) and Mann–Whitney tests.
Results
Only Transbond plus SEP and Reliance SEP produced a clear growth inhibition halo against S. mutans, L. acidophilus and A. viscosus. Gluma SEP did not show any growth inhibition halo against S. mutans, L. acidophilus, and A. viscosus.
Conclusions
TSEP and Reliance SEP did show antibacterial activity in an in vitro environment. Therefore, this study concludes that the use of these SEPs may contribute to a reduction in bacterial colonization.
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Affiliation(s)
- Sneha Dipak Shinde
- Department of Orthodontics and Dentofacial Orthopedics, Maratha Mandal’s NGH Institute of Dental Sciences and Research Centre, Belagavi, Karnataka, India
| | - Vikram Pai
- Department of Orthodontics and Dentofacial Orthopedics, Maratha Mandal’s NGH Institute of Dental Sciences and Research Centre, Belagavi, Karnataka, India
| | - R. Vijay Naik
- Department of Orthodontics and Dentofacial Orthopedics, Maratha Mandal’s NGH Institute of Dental Sciences and Research Centre, Belagavi, Karnataka, India
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Yu HH, Zhang L, Yu F, Li F, Liu ZY, Chen JH. Epigallocatechin-3-gallate and Epigallocatechin-3-O-(3-O-methyl)-gallate Enhance the Bonding Stability of an Etch-and-Rinse Adhesive to Dentin. MATERIALS 2017; 10:ma10020183. [PMID: 28772546 PMCID: PMC5459131 DOI: 10.3390/ma10020183] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/26/2017] [Accepted: 02/07/2017] [Indexed: 12/26/2022]
Abstract
This study evaluated epigallocatechin-3-gallate (EGCG) and epigallocatechin-3-O-(3-O-methyl)-gallate (EGCG-3Me) modified etch-and-rinse adhesives (Single Bond 2, SB 2) for their antibacterial effect and bonding stability to dentin. EGCG-3Me was isolated and purified with column chromatography and preparative high performance liquid chromatography. EGCG and EGCG-3Me were incorporated separately into the adhesive SB 2 at concentrations of 200, 400, and 600 µg/mL. The effect of cured adhesives on the growth of Streptococcus mutans (S. mutans) was determined with scanning electron microscopy and confocal laser scanning microscopy; the biofilm of bacteria was further quantified via optical density 600 values. The inhibition of EGCG and EGCG-3Me on dentin-originated collagen proteases activities was evaluated with a proteases fluorometric assay kit. The degree of conversion (DC) of the adhesives was tested with micro-Raman spectrum. The immediate and post-thermocycling (5000 cycles) bond strength was assessed through Microtensile Bond Strength (MTBS) test. Cured EGCG/EGCG-3Me modified adhesives inhibit the growth of S. mutans in a concentration-dependent manner. The immediate MTBS of SB 2 was not compromised by EGCG/EGCG-3Me modification. EGCG/EGCG-3Me modified adhesive had higher MTBS than SB 2 after thermocycling, showing no correlation with concentration. The DC of the adhesive system was affected depending on the concentration of EGCG/EGCG-3Me and the depth of the hybrid layer. EGCG/EGCG-3Me modified adhesives could inhibit S. mutans adhesion to dentin–resin interface, and maintain the bonding stability. The adhesive modified with 400 µg/mL EGCG-3Me showed antibacterial effect and enhanced bonding stability without affect the DC of adhesive.
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Affiliation(s)
- Hao-Han Yu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, China.
| | - Ling Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, China.
| | - Fan Yu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, China.
| | - Fang Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, China.
| | - Zheng-Ya Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, China.
| | - Ji-Hua Chen
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, Fourth Military Medical University, 145 West Changle Road, Xi'an 710032, China.
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Cocco AR, de Oliveira da Rosa WL, da Silva AF, Lund RG, Piva E. A systematic review about antibacterial monomers used in dental adhesive systems: Current status and further prospects. Dent Mater 2015; 31:1345-62. [DOI: 10.1016/j.dental.2015.08.155] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Accepted: 08/17/2015] [Indexed: 12/21/2022]
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Ozel E, Kolayli F, Tuna EB, Er D. In vitroantibacterial activity of various adhesive materials against oral streptococci. BIOTECHNOL BIOTEC EQ 2015. [DOI: 10.1080/13102818.2015.1090296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Penmetsa RKR, Rekha A S, Poppuri KC, Prashanth P S, Garapati S. An invitro evaluation of antibacterial properties of self etching dental adhesive systems. J Clin Diagn Res 2014; 8:ZC01-5. [PMID: 25177626 DOI: 10.7860/jcdr/2014/9010.4467] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 05/12/2014] [Indexed: 11/24/2022]
Abstract
BACKGROUND AND OBJECTIVES The microbial flora of the oral cavity is extremely diverse. Residual bacteria in the oral cavity may remain at the tooth restoration interface and increase the risk of developing recurrent caries. The aim of this study is to evaluate the immediate and long term antibacterial effect of polymerised self etching adhesive systems. MATERIALS AND METHODS Streptococcus mutans were used as a test organism. The self etching dental adhesives that were used are Adper Easy One, G-Bond, Clearfil S3 bond and Xeno V. Agar diffusion test (ADT) was performed on agar plates, in which four holes that were 4mm in diameter were punched. Then 200 μL of freshly grown S.mutans spread evenly. The four holes were immediately filled with the four tested materials and light polymerised them using a light curing unit. The agar plates were incubated for 72h at 37°C. For the direct contact test (DCT), the bonding agents were placed on the side walls of microtiter plate wells and light polymerized according to the manufacturer's instructions. A 10μL bacterial suspension was placed on the tested material samples. Bacteria were allowed to directly contact the polymerized dental adhesives for 1h at 37(o)C. Fresh Brain heart infusion broth was then added. The bacterial growth was then spectrophotometrically measured in the wells every 30 min for 16h for 1,2, 7 and 14 days. RESULTS In the ADT, inhibitory halos were found around all the bonding agents, with greater inhibition halo seen around Xeno V after incubating for 72 h at 37°C. The readings obtained through DCT were subjected to ANOVA and Tukey's multiple comparisons tests, which showed no bacterial growth on fresh samples and after aging for one day in PBS with self etching adhesives. RESULTS of DCT after aging for 2 days, 7 days and 14 days showed bacterial growth in all the bonding agents used with no significant difference from the control group.(p<0.001) CONCLUSION: All the dental adhesives showed antibacterial properties immediately and one day after polymerization but none of the self-etching adhesives had long-lasting antibacterial properties.
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Affiliation(s)
- Rama Krishnam Raju Penmetsa
- Senior Lecturer, Saraswathi Danwanthri Dental College and Hospital , Pathri Road, NH -222, Parbhani, Maharastra, India
| | - Sri Rekha A
- Professor, The Oxford Dental College and Hospital , Hosur Road, Bommanahalli, Bengaluru, India
| | - Krishna Chaitanya Poppuri
- Senior Lecturer, Saraswathi Danwanthri Dental College and Hospital , Pathri Road, NH -222, Parbhani, Maharastra, India
| | - Sai Prashanth P
- Senior Lecturer, Saraswathi Danwanthri Dental College and Hospital , Pathri Road, NH -222, Parbhani, Maharastra, India
| | - Surendranath Garapati
- Reader, Saraswathi Danwanthri Dental College and Hospital , Pathri Road, NH -222, Parbhani, Maharastra, India
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