First, 4 first molar model teeth frasaco GmbH, Tettnang, Germany; FDI 16, 26, 36, and 46) were prepared. The non-load-bearing cusp of each model tooth was flattened with a diamond bur (ISO 806104140524880/018; Busch, Engelskirchen, Germany) and the teeth were mounted in the corresponding upper or lower model jaw (ANA-4; frasaco GmbH), simulating a complete dentition. Then an enamel sample was luted with composite (Venus Diamond Flow; Heraeus Kulzer, Hanau, Germany) on the flattened area of each model tooth (Fig. 1a). While mounted with the uncured composite, profilometric traces were made on each enamel sample until it was assured that the enamel sample was positioned in parallel to the profilometer table and then fixed by light curing (120 s, Excelite-S white; Jovident GmbH, Duisburg, Germany). Four model jaw sets were created.
Venus diamond flow
Manufactured by Kulzer
Sourced in Germany
Venus Diamond Flow is a dental laboratory equipment product designed for use in dental restorations. It is a light-curing unit that aids in the polymerization of dental materials. The product's core function is to provide controlled curing of dental composites and other light-activated dental materials.
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Lab products found in correlation
2 protocols using venus diamond flow
1
Preparing Dental Enamel Samples for Profilometry
2
Adhesive and Restorative Materials Evaluation
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The adhesive system used for all samples was three-step etch-and-rinse system (Optibond FL, Kerr, Orange, CA, USA), applied following the manufacturer's instructions.
All prepared samples were randomly divided into three groups of 16 teeth each according to the restoration material used: Group 1, Venus Diamond (Heraeus Kulzer, Hanau, Germany); Group 2, Venus Diamond Flow (Heraeus Kulzer, Hanau, Germany); and Group 3: Surefil SDR flow (Dentsply, York, PA, USA) [Table 1 ]. All samples were restored using bulk technique and subsequently polymerized for 20 s with a LED lamp (Translux Power Blue, Heraeus Kultzer, Hanau; Germany) at 1000 mW/cm2. After 24 h, the restorations were finished with fine-grit diamond bur, mounted on red-ring handpiece, polished with a graded series of flexible discs (Sof-Lex, 3M ESPE, St. Paul, MN, USA) and stored in distilled water at 37°C for 7 days. The samples were completely sealed with two layers of nail polish, leaving 1-mm window around the four cavity margins.
All prepared samples were randomly divided into three groups of 16 teeth each according to the restoration material used: Group 1, Venus Diamond (Heraeus Kulzer, Hanau, Germany); Group 2, Venus Diamond Flow (Heraeus Kulzer, Hanau, Germany); and Group 3: Surefil SDR flow (Dentsply, York, PA, USA) [
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