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Fracture resistance of computer-aided design/computer-aided manufacturing-generated composite resin-based molar crowns
(Journal article; Tidsskriftartikkel; Peer reviewed, 2015-02-16)
The aim of this study was to investigate whether different fabrication processes,
such as the computer-aided design/computer-aided manufacturing (CAD/CAM) system
or the manual build-up technique, affect the fracture resistance of composite
resin-based crowns. Lava Ultimate (LU), Estenia C&B (EC&B), and lithium disilicate
glass-ceramic IPS e.max press (EMP) were used. Four types of molar crowns
were ...
Light-curing units used in dentistry: factors associated with heat development – potential risk for patients
(Journal article; Tidsskriftartikkel; Peer reviewed, 2016-10-01)
Objectives:<br>To investigate how heat development in the pulp chamber and coronal surface of natural teeth with and without cusps subjected to irradiance using light-emitting diode (LED)–light-curing units (LCUs) is associated with (i) irradiance, (ii) time, (iii) distance, and (iv) radiant exposure.<br>
Materials and methods:<br>Three different LED-LCUs were used. Their irradiance was measured ...
Fracture resistance of monolithic zirconia molar crowns with reduced thickness
(Journal article; Tidsskriftartikkel; Peer reviewed, 2015-01-30)
Objectives. The purpose of the present study was to analyze the relationship between
fracture load of monolithic zirconia crowns and axial/occlusal thickness, and to evaluate
the fracture resistance of monolithic zirconia crowns with reduced thickness in
comparison with that of monolithic lithium disilicate crowns with regular thickness.
Materials and methods. Monolithic zirconia crowns (Lava ...
Effect of cements on fracture resistance of monolithic zirconia crowns
(Journal article; Tidsskriftartikkel; Peer reviewed, 2016-01-26)
Objectives - The present study investigated the effect of cements on fracture resistance of monolithic zirconia crowns in relation to their compressive strength.<p>
<p>Materials and methods - Four different cements were tested: zinc phosphate cement (ZPC), glass-ionomer cement (GIC), self-adhesive resin-based cement (SRC) and resin-based cement (RC). RC was used in both dual cure mode (RC-D) and ...
Photo-irradiated caffeic acid exhibits antimicrobial activity against Streptococcus mutans biofilms via hydroxyl radical formation
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-07-25)
An antimicrobial technique based on photo-oxidation of caffeic acid (CA) has recently been developed, but its effect on biofilm-forming bacteria is unknown. The present study aimed to evaluate the effect of photo-irradiated CA against Streptococcus mutans (cariogenic bacteria) biofilm as it relates to hydroxyl radical formation. S. mutans biofilms grown on hydroxyapatite disks were immersed in CA ...
Dose- and time-dependent effects of triethylene glycol dimethacrylate on the proteome of human THP-1 monocytes
(Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-27)
Triethylene glycol dimethacrylate (TEGDMA) is commonly used in polymer resinbased dental materials. This study investigated the molecular mechanisms of
TEGDMA toxicity by identifying its time- and dose-dependent effects on the proteome of human THP-1 monocytes. The effects of different concentrations (0.07–
5 mM) and exposure times (0–72 h) of TEGDMA on cell viability, proliferation,
and morphology ...