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Pregled bibliografske jedinice broj: 31014

Polymerization kinetics of composites cured by low intensity blue superbright LED's


Tarle, Zrinka; Knežević, Alena; Meniga, Andrej; Šutalo, Jozo; Pichler, Goran
Polymerization kinetics of composites cured by low intensity blue superbright LED's // Journal of Dental Research (0022-0345) 78 (1999) ; 395(abstract 2319) / Herzberg, Mark C. (ur.).
Vancouver: International Association for Dental, Oral, and Craniofacial Research (IADR), 1999. (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Polymerization kinetics of composites cured by low intensity blue superbright LED's

Autori
Tarle, Zrinka ; Knežević, Alena ; Meniga, Andrej ; Šutalo, Jozo ; Pichler, Goran

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Journal of Dental Research (0022-0345) 78 (1999) ; 395(abstract 2319) / Herzberg, Mark C. - Vancouver : International Association for Dental, Oral, and Craniofacial Research (IADR), 1999

Skup
77th General Session of the IADR

Mjesto i datum
Vancouver, Kanada, 10.03.1999. - 13.03.1999

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
degree of conversion; composite resin; polymerization

Sažetak
Previous studies have shown many disadvantages of standard curing units influencing some important clinical properties of composite fillingsThe objective of this investigation was to evaluate the degree of conversion and temperature rise in composite samples illuminated by blue superbright light emitting diodes (LED) (Nichia, Japancompared to the conventional halogen lamps Heliolux GTE and Elipar Highlight. The temperature rise in the specimens was tested after 20 and 40 seconds polymerization using METEX Model M-3850D multimetar. The temperature rise of samples cured by blue LED varied from 4 to 11°C while for halogen lamps ranged from 8 to 17°C. The results of degree of conversion were obtained on the surface and at the deepth of 1.0 mm and were lower approximately 10% in case of even 66 times weaker blue LED. All the measurements were repeated five times. Statistics were performed using analysys of variance. The results obtained with experimental light source of minimal intensity were promising especially concerning low temperature rise in the samples.However, it is necessary to use more blue LEDs of 470 nm and focusing their light to ensure sufficient light intensity for improved curing. This study was supported by the Ministry of Science and Technology of the Republic of the Croatia.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
065007
00350102

Ustanove:
Institut za fiziku, Zagreb,
Stomatološki fakultet, Zagreb

Profili:

Avatar Url Andrej Meniga (autor)

Avatar Url Zrinka Tarle (autor)

Avatar Url Jozo Šutalo (autor)

Avatar Url Goran Pichler (autor)

Avatar Url Alena Knežević (autor)


Citiraj ovu publikaciju:

Tarle, Zrinka; Knežević, Alena; Meniga, Andrej; Šutalo, Jozo; Pichler, Goran
Polymerization kinetics of composites cured by low intensity blue superbright LED's // Journal of Dental Research (0022-0345) 78 (1999) ; 395(abstract 2319) / Herzberg, Mark C. (ur.).
Vancouver: International Association for Dental, Oral, and Craniofacial Research (IADR), 1999. (poster, međunarodna recenzija, sažetak, znanstveni)
Tarle, Z., Knežević, A., Meniga, A., Šutalo, J. & Pichler, G. (1999) Polymerization kinetics of composites cured by low intensity blue superbright LED's. U: Herzberg, M. (ur.)Journal of Dental Research (0022-0345) 78 (1999) ; 395(abstract 2319).
@article{article, author = {Tarle, Zrinka and Kne\v{z}evi\'{c}, Alena and Meniga, Andrej and \v{S}utalo, Jozo and Pichler, Goran}, editor = {Herzberg, M.}, year = {1999}, pages = {395 (abstract 2319)}, keywords = {degree of conversion, composite resin, polymerization}, title = {Polymerization kinetics of composites cured by low intensity blue superbright LED's}, keyword = {degree of conversion, composite resin, polymerization}, publisher = {International Association for Dental, Oral, and Craniofacial Research (IADR)}, publisherplace = {Vancouver, Kanada} }
@article{article, author = {Tarle, Zrinka and Kne\v{z}evi\'{c}, Alena and Meniga, Andrej and \v{S}utalo, Jozo and Pichler, Goran}, editor = {Herzberg, M.}, year = {1999}, pages = {395 (abstract 2319)}, keywords = {degree of conversion, composite resin, polymerization}, title = {Polymerization kinetics of composites cured by low intensity blue superbright LED's}, keyword = {degree of conversion, composite resin, polymerization}, publisher = {International Association for Dental, Oral, and Craniofacial Research (IADR)}, publisherplace = {Vancouver, Kanada} }




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