Development and assessment of experimental dental polymers with enhanced polymerisation, crosslink density and resistance to fluid permeability based on ethoxylated-Bisphenol-A-dimethacrylates and 2-Hydroxyethyl methacrylate

Salvatore Sauro; Sadhvik Vijay; Sanjukta Deb

doi:10.1016/j.eurpolymj.2012.05.013

Development and assessment of experimental dental polymers with enhanced polymerisation, crosslink density and resistance to fluid permeability based on ethoxylated-Bisphenol-A-dimethacrylates and 2-Hydroxyethyl methacrylate

Salvatore Sauro^*, Sadhvik Vijay, Sanjukta Deb

^*Corresponding author for this work

Centre for Oral, Clinical & Translational Sciences

Kings Coll London, Guy's & St Thomas' NHS Foundation Trust, University of London, Kings College London, Inst Dent, Dept Dent Biomat, Guys Dent Hosp

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

The formulation of appropriate dental adhesives is critical to achieve efficient polymerisation and reduced fluid permeability. The aim of this study was to evaluate the degree of conversion, the crosslink density and the fluid permeability of experimental 2-Hydroxy-ethyl methacrylate (HEMA)-containing or HEMA-free resin adhesives formulated with the use of a hydrophilic ternary photoinitiator system (DPIHP: diphenyliodonium hexa-fluorophosphate). The final FTIR/Raman degree of conversion (DC), DSC glass transition temperature (T-g) and the resin permeability (rP) were then characterised. The inclusion of the hydrophilic ionic salt DPIHP increased the affinity between amphiphilic monomers and binary photoinitiator system enhancing the DC, T-g and the resistance to fluid permeability (p <0.05). A significant correlation was observed between rP and FTIR/Raman-DC or T-g (p <0.05). In conclusion, new generation resin adhesives containing hydrophilic monomers and solvents should be formulated on a ternary photoinitiator system including hydrophilic ionic accelerator in order to achieve enhanced physical-chemical characteristics especially when light-cured in a relatively short period time (10-20 s).

Original language	English
Pages (from-to)	1466-1474
Number of pages	9
Journal	EUROPEAN POLYMER JOURNAL
Volume	48
Issue number	8
DOIs	https://doi.org/10.1016/j.eurpolymj.2012.05.013
Publication status	Published - Aug 2012

Keywords

Resin dental adhesives
Polymerisation
Crosslink density
Fluid filtration
Confocal Raman spectroscopy
ATR-FTIR
WET BONDING TECHNIQUE
ACID-ETCHED DENTIN
ADHESIVE SYSTEMS
IN-VITRO
PHOTOINITIATOR SYSTEM
MECHANICAL-PROPERTIES
CONFOCAL MICROSCOPY
INTERDIFFUSION ZONE
RESIN
WATER

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@article{2a9776feac9f42aea26bf865299b9d74,

title = "Development and assessment of experimental dental polymers with enhanced polymerisation, crosslink density and resistance to fluid permeability based on ethoxylated-Bisphenol-A-dimethacrylates and 2-Hydroxyethyl methacrylate",

abstract = "The formulation of appropriate dental adhesives is critical to achieve efficient polymerisation and reduced fluid permeability. The aim of this study was to evaluate the degree of conversion, the crosslink density and the fluid permeability of experimental 2-Hydroxy-ethyl methacrylate (HEMA)-containing or HEMA-free resin adhesives formulated with the use of a hydrophilic ternary photoinitiator system (DPIHP: diphenyliodonium hexa-fluorophosphate). The final FTIR/Raman degree of conversion (DC), DSC glass transition temperature (T-g) and the resin permeability (rP) were then characterised. The inclusion of the hydrophilic ionic salt DPIHP increased the affinity between amphiphilic monomers and binary photoinitiator system enhancing the DC, T-g and the resistance to fluid permeability (p <0.05). A significant correlation was observed between rP and FTIR/Raman-DC or T-g (p <0.05). In conclusion, new generation resin adhesives containing hydrophilic monomers and solvents should be formulated on a ternary photoinitiator system including hydrophilic ionic accelerator in order to achieve enhanced physical-chemical characteristics especially when light-cured in a relatively short period time (10-20 s).",

keywords = "Resin dental adhesives, Polymerisation, Crosslink density, Fluid filtration, Confocal Raman spectroscopy, ATR-FTIR, WET BONDING TECHNIQUE, ACID-ETCHED DENTIN, ADHESIVE SYSTEMS, IN-VITRO, PHOTOINITIATOR SYSTEM, MECHANICAL-PROPERTIES, CONFOCAL MICROSCOPY, INTERDIFFUSION ZONE, RESIN, WATER",

author = "Salvatore Sauro and Sadhvik Vijay and Sanjukta Deb",

year = "2012",

month = aug,

doi = "10.1016/j.eurpolymj.2012.05.013",

language = "English",

volume = "48",

pages = "1466--1474",

journal = "EUROPEAN POLYMER JOURNAL",

issn = "0014-3057",

publisher = "Elsevier Limited",

number = "8",

}

Development and assessment of experimental dental polymers with enhanced polymerisation, crosslink density and resistance to fluid permeability based on ethoxylated-Bisphenol-A-dimethacrylates and 2-Hydroxyethyl methacrylate. / Sauro, Salvatore; Vijay, Sadhvik; Deb, Sanjukta.
In: EUROPEAN POLYMER JOURNAL, Vol. 48, No. 8, 08.2012, p. 1466-1474.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Development and assessment of experimental dental polymers with enhanced polymerisation, crosslink density and resistance to fluid permeability based on ethoxylated-Bisphenol-A-dimethacrylates and 2-Hydroxyethyl methacrylate

AU - Sauro, Salvatore

AU - Vijay, Sadhvik

AU - Deb, Sanjukta

PY - 2012/8

Y1 - 2012/8

N2 - The formulation of appropriate dental adhesives is critical to achieve efficient polymerisation and reduced fluid permeability. The aim of this study was to evaluate the degree of conversion, the crosslink density and the fluid permeability of experimental 2-Hydroxy-ethyl methacrylate (HEMA)-containing or HEMA-free resin adhesives formulated with the use of a hydrophilic ternary photoinitiator system (DPIHP: diphenyliodonium hexa-fluorophosphate). The final FTIR/Raman degree of conversion (DC), DSC glass transition temperature (T-g) and the resin permeability (rP) were then characterised. The inclusion of the hydrophilic ionic salt DPIHP increased the affinity between amphiphilic monomers and binary photoinitiator system enhancing the DC, T-g and the resistance to fluid permeability (p <0.05). A significant correlation was observed between rP and FTIR/Raman-DC or T-g (p <0.05). In conclusion, new generation resin adhesives containing hydrophilic monomers and solvents should be formulated on a ternary photoinitiator system including hydrophilic ionic accelerator in order to achieve enhanced physical-chemical characteristics especially when light-cured in a relatively short period time (10-20 s).

AB - The formulation of appropriate dental adhesives is critical to achieve efficient polymerisation and reduced fluid permeability. The aim of this study was to evaluate the degree of conversion, the crosslink density and the fluid permeability of experimental 2-Hydroxy-ethyl methacrylate (HEMA)-containing or HEMA-free resin adhesives formulated with the use of a hydrophilic ternary photoinitiator system (DPIHP: diphenyliodonium hexa-fluorophosphate). The final FTIR/Raman degree of conversion (DC), DSC glass transition temperature (T-g) and the resin permeability (rP) were then characterised. The inclusion of the hydrophilic ionic salt DPIHP increased the affinity between amphiphilic monomers and binary photoinitiator system enhancing the DC, T-g and the resistance to fluid permeability (p <0.05). A significant correlation was observed between rP and FTIR/Raman-DC or T-g (p <0.05). In conclusion, new generation resin adhesives containing hydrophilic monomers and solvents should be formulated on a ternary photoinitiator system including hydrophilic ionic accelerator in order to achieve enhanced physical-chemical characteristics especially when light-cured in a relatively short period time (10-20 s).

KW - Resin dental adhesives

KW - Polymerisation

KW - Crosslink density

KW - Fluid filtration

KW - Confocal Raman spectroscopy

KW - ATR-FTIR

KW - WET BONDING TECHNIQUE

KW - ACID-ETCHED DENTIN

KW - ADHESIVE SYSTEMS

KW - IN-VITRO

KW - PHOTOINITIATOR SYSTEM

KW - MECHANICAL-PROPERTIES

KW - CONFOCAL MICROSCOPY

KW - INTERDIFFUSION ZONE

KW - RESIN

KW - WATER

U2 - 10.1016/j.eurpolymj.2012.05.013

DO - 10.1016/j.eurpolymj.2012.05.013

M3 - Article

SN - 0014-3057

VL - 48

SP - 1466

EP - 1474

JO - EUROPEAN POLYMER JOURNAL

JF - EUROPEAN POLYMER JOURNAL

IS - 8

ER -