Measurement of composite shrinkage using a fibre optic Bragg grating sensor.

Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Research Abstract Details 

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Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Abstract Text:

M S Milczewski,J C C Silva,A S Paterno,F Kuller,H J Kalinowski,

Fibre Bragg grating is used to determine resin-based composite shrinkage. Two composite resins (Freedom from SDI and Z100 from 3M) were tested to determine the polymerization contraction behaviour. Each sample of resin was prepared with an embedded fibre Bragg grating. A LED activation unit with wavelength from 430 nm to 470 nm (Dabi Atlante) was used for resin polymerization. The wavelength position of the peak in the optical reflection spectra of the sensor was measured. The wavelength shift was related to the shrinkage deformation of the samples. Temperature and strain evolution during the curing phase of the material was monitored. The shrinkage in the longitudinal direction was 0.15 +/- 0.02% for resin Z100 (3M) and 0.06+/-0.01% for Freedom (SDI); two-thirds of shrinkage occurred after the first 50 s of illumination.

Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Publishing Authors By Initials

MS Milczewski,JC Silva,AS Paterno,F Kuller,HJ Kalinowski,

For similar dentistry: technology, dental research abstracts see: dentistry: technology, dental research

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Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of biomaterials science. Polymer edition

VOLUME: 18

Page Numbers: 383-92

Journal Abbreviation:

ISSN: 0920-5063

DAY: 20

MONTH: 02

YEAR: 2007

Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Information

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LANGUAGE: eng

NlmUniqueID: 9007393

Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Keywords Mesh Terms:

KEYWORDS: Technology, Dental

MESH TERMS: methods

Chemical & Substance for Abstract: Measurement of composite shrinkage using a fibre optic Bragg grating sensor. Information

Substance Name: Composite Resins

Registry Number: 0

Grant and Affiliation Information for Measurement of composite shrinkage using a fibre optic Bragg grating sensor.

AFFILIATION: Federal University of Technology - Paraná, Av Sete de Setembro 3165, 80230-901 Curitiba, Brazil. maura@cpgei.cefetpr.br

Country: Netherlands

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MEDLINETA: J Biomater Sci Polym Ed

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