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Elipar deepcure l

Manufactured by 3M
Sourced in United States

The Elipar™ DeepCure-L is a curing light device designed for dental applications. It utilizes LED technology to provide high-intensity curing light for the polymerization of light-cured dental materials. The device features a lightweight and ergonomic design to facilitate ease of use during dental procedures.

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6 protocols using elipar deepcure l

1

Fiber-Reinforced Composite Flexural and Compressive Strength

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Experimental fiber-reinforced composites were prepared for seven flexural strength specimens with a slotted stainless-steel mold per ISO 4049:2019 standard of (25 × 2 × 2 mm) and light cured with a light cure unit at 1000 mW/cm2 (Elipar Deep Cure, 3M, St. Paul, MN, USA). Each increment was light cured for 40 s with an overlapping cure regimen based on ISO 4049. The samples were preserved at room temperature for 24 h in distilled water post-polymerization. The samples were tested using an Instron Universal Testing Machine manufactured by Shimadzu, Japan, with a loading force of 5 kN and a crosshead speed of 0.75 mm min−1.
Concerning compressive strength samples, the specification used in preparing the experimental composites (n = 7) was the ASTMD 695-08 of 4 mm diameter × 6 mm height. This specification was achieved by using a stainless-steel mould with incremental light curing protocol with a light cure unit of 1000 mW/cm2 (Elipar Deepcure L, 3M, St. Paul, MN, USA). Each increment was light cured for 40 s. Likewise, the samples were stored and tested as mentioned previously, excluding 1 mm min−1 crosshead speed.
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2

Standardized Premolar Bracket Bonding

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One hundred twenty premolar teeth were mounted vertically in acrylic blocks using a surveyor to align the buccal surface of each tooth so that the force runs parallel to the bonded bracket base. The buccal surface was polished with a fluoride-free pumice slurry and rubber cups for 10 s, followed by thorough water rinsing (10 s) and oil-free air dryness (10 s). The teeth of all tested groups were then bonded according to the manufacturer’s recommended protocol for using the plain SEP. The SEP material was applied onto the buccal enamel surface with continuous rubbing for 5 s, then dried lightly with compressed air for 2 s. Metallic (stainless steel) upper premolar brackets (Pinnacle, Orthotechnology, USA) were used for bonding. The bracket base was loaded with a thin layer of the composite adhesive (Transbond XT, 3 M Unitek, USA) and placed onto the buccal surface with a 300 g pressing force for 3 s measured using a force gauge, then exposed to a light-emitting diode curing light (Elipar™ DeepCure-L, 3 M ESPE, Germany) for a total of 20 s (10 s from each of the mesial and distal side) [11 (link), 15 (link)].
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3

Shear Bond Strength of Y-TZP Ceramics

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Two self-adhesive resin cements, G-CEM LinkAce (GC Corporation, Tokyo, Japan) and RelyX U200 (3M ESPE, St. Paul, MN, USA), were used for the SBS test. The information on these cements is shown in Table 2. All of the disc-shaped Y-TZP specimens were distributed 40 per surface treatment group. For each group, half of the specimens were bonded with G-CEM LinkAce resin cylinder, and the rest were bonded with RelyX U200 resin cylinder. Each resin cylinder was made in a uniform size by injecting self-adhesive resin cement into a ready-made plastic jig (Ultradent Jig, Ultradent Products Inc., South Jordan, UT, USA) with a diameter of 2.38 mm and a height of 3 mm, then light polymerized at 1000–1200 mW/cm2 for 20 seconds in three directions with an LED curing light (Elipar™ DeepCure-L, 3M ESPE, St. Paul, MN, USA). At this time, a custom-made positioning stand was used for the Y-TZP specimens embedded in acrylic resin. This stand was manufactured with a CAD program (Tinkercad, Autodesk Inc., San Francisco, CA, USA) and a 3D printer (DIO PROBO, DIO inc., Busan, Korea) (Figure 3 and Figure 4).
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4

Shear Bond Strength of Y-TZP Ceramics

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Two types of self-adhesive resin cements were used to perform SBS test: G-CEM LinkAce (GC Corporation, Tokyo, Japan) and Rely X-U200 (3M ESPE, St. Paul, MN, USA). The information of these cements is shown in Table 2. The 160 fully sintered Y-TZP discs were primarily classified into four groups: Pr group (n = 40), NTP + Pr group (n = 40), Sb + Pr group (n = 40) and Sb + NTP + Pr group (n = 40) according to the surface treatment method, and secondly divided into two sub-groups within the group (n = 20) depending on the type of resin cement used. The resin cements were bonded to the Y-TZP in a uniform size using an Ultradent jig (Ultradent Products Inc., South Jordan, UT, USA) with a 2.38 mm diameter and a 3 mm height (Figure 4). Subsequently, the resin cement was light-cured (Elipar™ DeepCure-L, 3M ESPE, St. Paul, MN, USA) for 20 s at 1000–1200 mW/cm2. Then, all specimens were immersed in 37 °C distilled water for 24 h.
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5

Comparison of Dental Light Curing Units

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The LCUs used in this study were a conventional QTH lamp with standard mode (Optilux 501, Kerr, Orange, CA, USA), a monowave LED LCU (Elipar™ DeepCure-L, 3M ESPE) and a polywave LED LCU with high mode (Bluephase ® 20i, Ivoclar Vivadent). The specifications of the three LCUs were shown in Table 2.
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6

Composite Surface Characterization Protocol

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Table 1 summarizes composites and whitening gels used in the present study. Unpolymerized composite was applied to a silicon mold (10×10×2 mm) placed on a glass slide. Excess material was extruded by pressing with a Mylar strip and another glass slide. Each specimen was light-cured for 20 s using a high-intensity LED lightcuring unit (Elipar DeepCureL, 3M ESPE, St. Paul, MN, USA) at a standardized distance of 1 mm, at top and bottom sides to ensure maximum polymerization. Specimens were wet-polished using SiC discs (Buehler, Lake Bluff, IL, USA) with decreasing abrasiveness (Grit 500, 1000 and 2000) followed by fine TEX-MET C discs (Buehler) for 15 s for each disc. The specimens were then stored in distilled water in an incubator at 37°C for 24 h before baseline measurements of color, surface gloss and roughness. Five specimens were prepared for each group.
Further 5 composite specimens (10×10×2 mm) were prepared and light-cured. Uniform 1 mm deep reservoirs for whitening gel were prepared for each composite specimen by pressing a whitening tray over 1 mm thick blue block-out mass on top of each specimen.
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