Shining a light on high volume photocurable materials

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Shining a light on high volume photocurable materials. / Palin, William M.; Leprince, Julian G.; Hadis, Mohammed A.

In: Dental Materials, 14.03.2018.

Research output: Contribution to journalReview articlepeer-review

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@article{5c8a5b66acb343e69cb67ee3a3edc09b,
title = "Shining a light on high volume photocurable materials",
abstract = "Spatial and temporal control is a key advantage for placement and rapid setting of light-activated resin composites. Conventionally, placement of multiple thin layers (<2mm) reduces the effect of light attenuation through highly filled and pigmented materials to increase polymerisation at the base of the restoration. However, and although light curing greater than 2mm thick layers is not an entirely new phenomenon, the desire amongst dental practitioners for even more rapid processing in deep cavities has led to the growing acceptance of so-called {"}bulk fill{"} (4-6mm thick) resin composites that are irradiated for 10-20s in daily clinical practice. The change in light transmission and attenuation during photopolymerisation are complex and related to path length, absorption properties of the photoinitiator and pigment, optical properties of the resin and filler and filler morphology. Understanding how light is transmitted through depth is therefore critical for ensuring optimal material properties at the base of thick increments. This article will briefly highlight the advent of current commercial materials that rationalise bulk filling techniques in dentistry, the relationship between light transmission and polymerisation and how optimal curing depths might be achieved.",
keywords = "Journal Article, Review, resin composite , bulk fill photopolymerization , photochemistry , photoinitiator , transmittance , absorption , pigment , frontal polymerization , depth of cure",
author = "Palin, {William M.} and Leprince, {Julian G.} and Hadis, {Mohammed A.}",
note = "Copyright {\textcopyright} 2018 The Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.",
year = "2018",
month = mar,
day = "14",
doi = "10.1016/j.dental.2018.02.009",
language = "English",
journal = "Dental Materials",
issn = "0109-5641",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Shining a light on high volume photocurable materials

AU - Palin, William M.

AU - Leprince, Julian G.

AU - Hadis, Mohammed A.

N1 - Copyright © 2018 The Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.

PY - 2018/3/14

Y1 - 2018/3/14

N2 - Spatial and temporal control is a key advantage for placement and rapid setting of light-activated resin composites. Conventionally, placement of multiple thin layers (<2mm) reduces the effect of light attenuation through highly filled and pigmented materials to increase polymerisation at the base of the restoration. However, and although light curing greater than 2mm thick layers is not an entirely new phenomenon, the desire amongst dental practitioners for even more rapid processing in deep cavities has led to the growing acceptance of so-called "bulk fill" (4-6mm thick) resin composites that are irradiated for 10-20s in daily clinical practice. The change in light transmission and attenuation during photopolymerisation are complex and related to path length, absorption properties of the photoinitiator and pigment, optical properties of the resin and filler and filler morphology. Understanding how light is transmitted through depth is therefore critical for ensuring optimal material properties at the base of thick increments. This article will briefly highlight the advent of current commercial materials that rationalise bulk filling techniques in dentistry, the relationship between light transmission and polymerisation and how optimal curing depths might be achieved.

AB - Spatial and temporal control is a key advantage for placement and rapid setting of light-activated resin composites. Conventionally, placement of multiple thin layers (<2mm) reduces the effect of light attenuation through highly filled and pigmented materials to increase polymerisation at the base of the restoration. However, and although light curing greater than 2mm thick layers is not an entirely new phenomenon, the desire amongst dental practitioners for even more rapid processing in deep cavities has led to the growing acceptance of so-called "bulk fill" (4-6mm thick) resin composites that are irradiated for 10-20s in daily clinical practice. The change in light transmission and attenuation during photopolymerisation are complex and related to path length, absorption properties of the photoinitiator and pigment, optical properties of the resin and filler and filler morphology. Understanding how light is transmitted through depth is therefore critical for ensuring optimal material properties at the base of thick increments. This article will briefly highlight the advent of current commercial materials that rationalise bulk filling techniques in dentistry, the relationship between light transmission and polymerisation and how optimal curing depths might be achieved.

KW - Journal Article

KW - Review

KW - resin composite

KW - bulk fill photopolymerization

KW - photochemistry

KW - photoinitiator

KW - transmittance

KW - absorption

KW - pigment

KW - frontal polymerization

KW - depth of cure

U2 - 10.1016/j.dental.2018.02.009

DO - 10.1016/j.dental.2018.02.009

M3 - Review article

C2 - 29549967

JO - Dental Materials

JF - Dental Materials

SN - 0109-5641

ER -