Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding

This study aimed to evaluate the effect of riboflavin (RF) and Rose Bengal (RB) photosensitizer modified adhesive resin on the degree of conversion (DC), and antimicrobial capacity after bonded to tooth surface. Different concentrations of RB and RF were prepared by homogenization method. An ultravi...

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Main Author: Ali Alqerban
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Pharmaceuticals
Subjects:
Online Access:https://www.mdpi.com/1424-8247/14/1/48
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author Ali Alqerban
author_facet Ali Alqerban
author_sort Ali Alqerban
collection DOAJ
description This study aimed to evaluate the effect of riboflavin (RF) and Rose Bengal (RB) photosensitizer modified adhesive resin on the degree of conversion (DC), and antimicrobial capacity after bonded to tooth surface. Different concentrations of RB and RF were prepared by homogenization method. An ultraviolet light source A (UVA) (375 nm wavelength, 3 mW/cm<sup>2</sup> power) was used for 30 min irradiation. FTIR was performed for control and test adhesives to analyze the DC. Antibacterial testing was performed using the MTT assay. Metal brackets were bonded using the modified adhesives and subjected for SEM examination. The surfaces of teeth and metal brackets were examined at ×10 magnification for assessing adhesive remnant index (ARI) after PDT, 24 h and thermocycling. For DC, control group, 0.1% RB and RF after PDT showed the highest value. SEM imaging indicated lowest growth of <i>Streptococcus mutans</i> over 0.5% of RB-PDT and RF-PDT as compared to the control group. The MTT assay outcomes reported that the activity of <i>S. mutans</i> substantially decreased with the addition of a high amount of either RB or RF (<i>p</i> < 0.01). Mean ARI scores showed a significant difference between all groups. This study concluded that 0.1% of either RB or RF after PDT can be used for bonding orthodontic brackets to the tooth surface with substantial antibacterial properties.
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spelling doaj.art-dc4d49e51ad64506947e5b1b05c73f9a2023-12-03T12:41:42ZengMDPI AGPharmaceuticals1424-82472021-01-011414810.3390/ph14010048Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic BondingAli Alqerban0Department of Preventive Dental Sciences, College of Dentistry, Dar al Uloom University, Riyadh 45142, Saudi ArabiaThis study aimed to evaluate the effect of riboflavin (RF) and Rose Bengal (RB) photosensitizer modified adhesive resin on the degree of conversion (DC), and antimicrobial capacity after bonded to tooth surface. Different concentrations of RB and RF were prepared by homogenization method. An ultraviolet light source A (UVA) (375 nm wavelength, 3 mW/cm<sup>2</sup> power) was used for 30 min irradiation. FTIR was performed for control and test adhesives to analyze the DC. Antibacterial testing was performed using the MTT assay. Metal brackets were bonded using the modified adhesives and subjected for SEM examination. The surfaces of teeth and metal brackets were examined at ×10 magnification for assessing adhesive remnant index (ARI) after PDT, 24 h and thermocycling. For DC, control group, 0.1% RB and RF after PDT showed the highest value. SEM imaging indicated lowest growth of <i>Streptococcus mutans</i> over 0.5% of RB-PDT and RF-PDT as compared to the control group. The MTT assay outcomes reported that the activity of <i>S. mutans</i> substantially decreased with the addition of a high amount of either RB or RF (<i>p</i> < 0.01). Mean ARI scores showed a significant difference between all groups. This study concluded that 0.1% of either RB or RF after PDT can be used for bonding orthodontic brackets to the tooth surface with substantial antibacterial properties.https://www.mdpi.com/1424-8247/14/1/48cross-linking agentsfluorescent dyesoxidation reductionphotochemistryphotosensitizing agentsprotein conformation
spellingShingle Ali Alqerban
Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding
Pharmaceuticals
cross-linking agents
fluorescent dyes
oxidation reduction
photochemistry
photosensitizing agents
protein conformation
title Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding
title_full Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding
title_fullStr Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding
title_full_unstemmed Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding
title_short Effectiveness of Riboflavin and Rose Bengal Photosensitizer Modified Adhesive Resin for Orthodontic Bonding
title_sort effectiveness of riboflavin and rose bengal photosensitizer modified adhesive resin for orthodontic bonding
topic cross-linking agents
fluorescent dyes
oxidation reduction
photochemistry
photosensitizing agents
protein conformation
url https://www.mdpi.com/1424-8247/14/1/48
work_keys_str_mv AT alialqerban effectivenessofriboflavinandrosebengalphotosensitizermodifiedadhesiveresinfororthodonticbonding