Standardized cavity preparation was performed by perpendicularly introducing a cylindrical bur in the active area (diamond bur KG# 3131®, KG Sorensen Ind. e Com. Ltda; Barueri, SP, Brazil); when reaching enamel and dentin, the cavity depth was checked with a periodontal probe (2 mm diameter x 2 mm depth). Adhesive systems were applied and the samples were restored with composite resin, using the incremental technique (Figure 1 ). The light-curing was performed using an LED device (470 mW/cm2, Ortholux LED Curing Light®, 3M Unitek; Monrovia, CA, USA). Then, the samples were abraded (Sof-Lex, 3M ESPE; St. Paul, MN, USA) and polished (with felt discs and polish pastes, DiamondR FGM; Joinville, SC, Brazil). All samples were stored at 4°C under relative humidity until all measurements were performed5 .
Ortholux led curing light
Manufactured by 3M
Sourced in United States
The Ortholux LED Curing Light is a dental laboratory equipment designed for the polymerization of light-cured dental materials. It utilizes LED technology to provide a controlled light source for the curing process.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using ortholux led curing light
1
Standardized Cavity Preparation and Restoration
2
Bracket Bonding Using Different Adhesives
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Each tooth was cleaned with pumice and water for 5 s, rinsed for 10 s and air dried to avoid desiccation. Teeth were then etched with 37% of phosphoric acid gel for 20 s and rinsed for 10 s. The bonding material was mixed using one scoop of powder with one drop of liquid for the control group. For mixtures containing zinc oxide, two drops of liquid had to be used in order to prepare a material with the appropriate viscosity. The RMGIC material was incorporated into the base of the premolar bracket using a cement spatula and the bracket was placed on the enamel surface. Excess material was removed from around the bracket and the remaining adhesive was light cured for 40 s (10 from each side) using the 3 M Unitek Ortholux LED curing light.
For bonding with light cure composite the teeth were etched with 37% of phosphoric acid for 30 s, rinsed and air dried using moisture free air. A thin layer of Transbond XT primer (3 M Unitek) was applied on the enamel surface and light cured for 10 s. Brackets were bonded onto the centre of the buccal surface of the teeth with Transbond XT (3 M Unitek), a light cured composite adhesive. Before curing, the excess resin was removed with a sharp scaler without disturbing the bracket position; the adhesive was light cured for a total of 40 s.
Bonded teeth were stored in water at room temperature for 24 h before testing bond strength.
For bonding with light cure composite the teeth were etched with 37% of phosphoric acid for 30 s, rinsed and air dried using moisture free air. A thin layer of Transbond XT primer (3 M Unitek) was applied on the enamel surface and light cured for 10 s. Brackets were bonded onto the centre of the buccal surface of the teeth with Transbond XT (3 M Unitek), a light cured composite adhesive. Before curing, the excess resin was removed with a sharp scaler without disturbing the bracket position; the adhesive was light cured for a total of 40 s.
Bonded teeth were stored in water at room temperature for 24 h before testing bond strength.
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