Was Praktiker über LED-Fotopolymerisationslampen wissen sollten

Lernziele

Der Leser soll nach dem Durcharbeiten des Artikels

• wissen, was LEDs sind,

• das Funktionsprinzip von LED-Fotopolymerisationslampen (LED-FPL) erklären können,

• grundlegende Informationen über die Entwicklung und wissenschaftliche Untersuchung der LED-Fotopolymerisationslampen zusammenfassen können,

• die 4 verschieden Typen von Fotopolymerisationslampen nennen können,

• Vor- und Nachteile von LED-Fotopolymerisationslampen im Vergleich zu Quarz-Wolfram-Halogenlampen beschreiben können,

• materialwissenschaftliche Grundlagen bei der Aushärtung von dentalen Materialien verstehen können,

• erklären können, worauf bei der Benutzung von LED-Fotopolymerisationslampen in der klinischen Praxis zu achten ist.

• Literatur

• 1 Watts DC. Let there be light!. Dent Mater 2013; 29: 603-604
• 2 Santini A, Turner S. General dental practioners' knowledge of polymerisation of resin-based composite restorations and light curing technology. Brit Dent J 2011; 211
• 3 Sze SM, Ng KK. Physics of semiconductor devices. 3 rd ed. Hoboken: John Wiley & Sons;; 2007: 608-620
• 4 Nakamura S, Mukai T, Senoh M. Candela-class high-brightness InGaN / AlGaN double-heterostructure blue-light-emitting-diodes. ApplPhysLett 1994; 64: 1687-1687
• 5 Jandt KD, Mills RW. A brief history of LED photopolymerization. Dent Mater 2013; 29: 605-617
• 6 Mills RW, Jandt KD, Ashworth SH. Dental composite depth of cure with halogen and blue light emitting diode technology. Brit Dent J 1999; 186: 388-391
• 7 Uhl A, Mills RW et al. Knoop hardness depth profiles and compressive strength of selected dentalcomposites polymerized with halogen and LED light curing technologies. J Biomed Mater Res A 2002; 63: 729-738
• 8 http://www.cms.uni-jena.de/index.php/aktuelles-30/items/optisches-museum-stellt-nun-entwicklung-von-materialforschern-der-universitaet-jena-aus.html (Stand: 15.9.2014)
• 9 Mills RW. Blue light emitting diodes – another method of light curing?. Brit Dent J 1995; 178: 169-169
• 10 Jandt KD, Mills RW et al. Depth of cure and compressive strength of composites cured with blue light emitting diodes (LEDs). Dent Mater 2000; 16: 41-47
• 11 Stahl F, Ashworth S et al. Light emitting diode (LED) polymerisation of composites: flexural properties and polymerisation potential. Biomater 2000; 2: 1379-1385
• 12 Mills RW, Uhl A et al. High power light emitting diode (LED) arrays versus halogen light polymerisation of oral biomaterials: Barcol hardness, compressive strength and radiometric properties. Biomater 2002; 23: 2955-2963
• 13 Mills RW, Uhl A, Jandt KD. Optical power outputs, spectra and dental composites depths of cure, obtained with blue light emitting diode (LED) and halogen light curing units (LCUs). Brit Dent J 2002; 193: 459-463
• 14 Uhl A, Mills RW, Jandt KD. Polymerisation and light-induced heat of dental composites cured with LED and halogen technology. Biomater 2003; 24: 1809-1820
• 15 Uhl A, Mills RW, Jandt KD. Photoinitiator dependent composite depth of cure and Knoop hardness with halogen and LED light curing units. Biomater 2003; 24: 1787-1795
• 16 Uhl A, Sigusch BW, Jandt KD. Second generation LEDs for the polymerization of oral biomaterials. Dent Mater 2004; 20: 80-87
• 17 Uhl A, Michaelis C et al. The influence of storage and indenter load on the Knoop hardness of dental composites polymerized with LED and halogen technologies. Dent Mater 2004; 20: 21-28
• 18 Haitz RH, Craford MG, Weissmann RH. Light emitting diodes. In: Bass M, editor. Handbook of optics. 2nd ed. New York: McGraw Hill Inc.; 1995: 39-39
• 19 Cayless MA, Marsden AM. Tungsten halogen lamps. In: Lamps and lighting. 3 rd ed. London: Edward Arnold Ltd.; 1983: 169-182
• 20 Santini A, Miletic V et al. Degree of conversion and microhardness of TPO containing resin based composites cured by polywave and monowave LED units. J Dent 2012; 40: 577-584
• 21 http://www.de.wikipedia.org/wiki/Bestrahlungsst%C3%A4rke (Stand: 15.09.2014)
• 22 http://www.de.wikipedia.org/wiki/Bestrahlung_%28 physikalische_Gr%C3%B6%C3%9Fe%29 (Stand: 15.09.2014)
• 23 Craig RG, Powers JM, Wataha JC. Dental materials – properties and manipulation. Mosby St. Louis, USA 2000; 60-64
• 24 Imazato S, McCabe JF, Tarumi H et al. Degree of conversion of composites measured by DTA and FTIR. Dent Mater 2001; 17: 178-183
• 25 Ruyter IE, Oysaed H. Composites for use in posterior teeth: composition and conversion. J Biomed Mater Res A 1987; 21: 11-23