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CC BY-NC-ND 4.0 · Eur J Dent 2010; 04(01): 034-040
DOI: 10.1055/s-0039-1697806
Original Article
European Journal of Dentistry

Monomer Release from Resin Based Dental Materials Cured With LED and Halogen Lights

Asli Topaloglu Ak
a   Ege University, School of Dentistry, Department of Paediatric Dentistry, Izmir, Turkey
,
A. Riza Alpoz
b   Ege University, School of Dentistry, Department of Paediatric Dentistry, Izmir, Turkey
,
Oguz Bayraktar
c   Izmir Institute of Technology, Department of Chemical Engineering, Izmir, Turkey
,
Fahinur Ertugrul
d   Ege University, School of Dentistry, Department of Paediatric Dentistry, Izmir, Turkey
› Author Affiliations
Further Information

Publication History

Publication Date:
30 September 2019 (online)

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ABSTRACT

Objectives: To measure the release of TEGDMA and BisGMA from two commercially available composite resins; Filtek Z 250 (3M ESPE, Germany), Leaddent (Leaddent, Germany) and two fissure sealants; Helioseal F (3M ESPE, Germany) Enamel Loc (Premiere Rev, USA) over 1, 3 and 7 days after polymerization with standard quartz-tungsten halogen Coltolux II (QHL) (Coltene Switzerland) and a standard blue light emitting diode Elipar Freelight 2 (3M ESPE, Germany).

Methods: 9 samples of each material were placed in disc shaped specimens in 1 mm of thickness and 10 mm in diameter (n=36). Each material was polymerized using LED for 20 s (n=12), 40 s (n=12) and halogen for 40 s (n=12), respectively. High Performance Liquid Chromatography (HPLC) was used to measure the amount of monomers released over 1, 3 and 7 days. Data was analyzed using one way ANOVA and Bonferroni test for multiple comparisons with a significance level of .05.

Results: LED 20 sec group showed the highest release of monomers at 1, 3 and 7 days in sealant groups. Halogen 40 sec group resulted highest release of monomers for Leaddent at all time intervals (P<.05)

Conclusions: Efficiency of the curing unit and applying the recommended curing time of the light activated resin based dental materials is very important to protect the patient from potential hazards of residual monomers. (Eur J Dent 2010;4:34-40)

Key words

BisGMA; TEGDMA - Residual monomer - Composite resin - Fissure sealant
 

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