Celalux 2

Manufactured by Voco dental

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Sourced in Germany

The Celalux II is a curing light used in dental procedures. It is designed to polymerize light-cured dental materials.

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Lab products found in correlation

Mylar strip, by Henry Schein (5 mentions) Soflex pop on, by 3M (1 mentions)

6 protocols using celalux 2

Comparative Evaluation of Dental Composites

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One microfilled composite (Gradia Direct Anterior), one nanofilled composite (Filtek Supreme XTE), one nanoceramic composite (Ceram X Universal), one microfilled hybrid composite (G-aenial), one microfilled hybrid composite (Essentia Enamel), one nanohybrid Ormocer based composite (Admira Fusion) and one supra-nano spherical hybrid composite (Estelite) were evaluated in this study (Table 2). For each brand, the A2 Vita shade was selected.
All materials were polymerized according to the manufacturers’ instructions into silicon rings (height 2 mm; internal diameter 6 mm; external diameter 8 mm) to obtain specimens identical in size. Cavities of these rings were slightly overfilled with material, covered with a transparent polyester film strip (Mylar strip, Henry Schein, Melville, NY, USA), pressed between glass plates and polymerized for 40 s on each side using a curing unit (Celalux II, Voco, Cuxhaven, Germany). One light polymerization mode was used for each material—standard: 1000 mW·cm⁻² for 40 s. The intensity of the light was verified with a radiometer (SDS Kerr, Orange, CA, USA). The light was placed perpendicular to the specimen surface, at a distance of 1.5 mm. A total of forty specimens of each composite resin were prepared.

Poggio C., Vialba L., Berardengo A., Federico R., Colombo M., Beltrami R, & Scribante A. (2017). Color Stability of New Esthetic Restorative Materials: A Spectrophotometric Analysis. Journal of Functional Biomaterials, 8(3), 26.

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Fabrication of Gradia Direct Composite Rings

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One hundred rings of Gradia Direct were prepared in accordance with manufacturer's instructions using a silicon disk (6 mm in diameter and 2 mm in thickness) and, externally, a silicon ring (8 mm in internal diameter and 2 mm in thickness). The composite rings were prepared by condensing the material between the disk and the silicon ring, placed on a white opaque paper background covered by a Mylar strip (Henry Schein; Melville, NY). A second Mylar strip was placed on the top of the filled space and a glass slide was pressed against the upper Mylar strip to extrude the excess composite resin and to form a flat surface. The distal end of the light guide was placed against the surface of the matrix strip; the material was then light-cured from the top with the curing light Celalux II (Voco, Cuxhaven, Germany). One light polymerization mode was used for each material - standard: 1000 mW/cm² for 40 s. The cordless curing unit was maintained at full charge before use, and irradiance was monitored periodically by using a radiometer (SDS Kerr, Orange, CA). The composite rings obtained measured 6 mm in diameter internally, 8 mm in diameter externally, and 2 mm in thickness.

Beltrami R., Colombo M., Chiesa M., Bianchi S, & Poggio C. (2014). Scattering properties of a composite resin: Influence on color perception. Contemporary Clinical Dentistry, 5(4), 501-506.

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Standardized Composite Disc Preparation

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The preparation of control specimens, for each brand, involved the creation, in accordance with manufacturer's instructions, of 50 discs using a silicon ring (6 mm in internal diameter and 2 mm in thickness). The composite discs were prepared by condensing the material in the ring, placed on a white opaque paper background covered by a Mylar strip (Henry Schein; Melville, NY). A second Mylar strip was placed on the top of the filled space and a glass slide was pressed against the upper Mylar strip to extrude the excess composite resin and to form a flat surface. The distal end of the light guide was placed against the surface of the matrix strip; the material was then light-cured from the top with the curing light Celalux II (Voco, Cuxhaven, Germany). One light polymerization mode was used for each material - standard: 1000 mW/cm² for 40 s. The cordless curing unit was maintained at full charge before use, and irradiance was monitored periodically by using a radiometer (SDS Kerr, Orange, CA). The composite discs obtained measured 6 mm in diameter internally and 2 mm in thickness.
All specimens were stored in distilled water for 24 hours in complete darkness at 37° C.
The two control groups obtained were:

- Group GD control: Including specimens assembled with Gradia Direct

- Group GN control: Including specimens assembled with G-aenial.

Beltrami R., Colombo M., Chiesa M., Bianchi S, & Poggio C. (2014). Scattering properties of a composite resin: Influence on color perception. Contemporary Clinical Dentistry, 5(4), 501-506.

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Standardized Composite Disc Preparation

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One hundred discs of Gradia Direct were prepared in accordance with manufacturer's instructions using a silicon ring (8 mm in internal diameter and 2 mm in thickness). The composite discs were prepared by condensing the material in the ring, placed on a white opaque paper background covered by a Mylar strip (Henry Schein; Melville, NY). A second Mylar strip was placed on the top of the filled space and a glass slide was pressed against the upper Mylar strip to extrude the excess composite resin and to form a flat surface. The distal end of the light guide was placed against the surface of the matrix strip; the material was then light-cured from the top with the curing light Celalux II (Voco, Cuxhaven, Germany). One light polymerization mode was used for each material - standard: 1000 mW/cm² for 40 s. The cordless curing unit was maintained at full charge before use, and irradiance was monitored periodically by using a radiometer (SDS Kerr, Orange, CA). The composite discs obtained measured 8 mm in diameter internally and 2 mm in thickness.

Beltrami R., Colombo M., Chiesa M., Bianchi S, & Poggio C. (2014). Scattering properties of a composite resin: Influence on color perception. Contemporary Clinical Dentistry, 5(4), 501-506.

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Esthetic Restorative Materials Evaluation

Cited 1 time

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Five esthetic restorative materials and three GIC were evaluated in this study [Table 1].
Materials were polymerized into silicon rings (external diameter 9 mm, internal diameter 6 mm, thick 2 mm) to obtain identical specimens.[27 (link)] Cavities of these rings were slightly overfilled with material, covered with Mylar Matrix Strip (Henry Schein, Melville, NY, USA), pressed between two glass plates and polymerized for 40 s on each side using a curing unit (Celalux II, Voco, Cuxhaven, Germany). One light polymerization mode was used for each material standard: 1000 mW/cm² for 40 s. The light was placed perpendicular to the specimen surface, at distance of 1.5 mm or less.[27 (link)] The upper surface of each specimen was then polished with fine and superfine polishing disks (Sof-Lex Pop On; 3M ESPE, St. Paul, MN, USA) to simulate clinical conditions.
Thirty cylindrical specimens of each material were prepared in this manner. After polymerization and during the experimentation, the specimens were stored in distilled water at 37°C and 100% humidity. Each material was tested 4 weeks after polymerization.

Poggio C., Vialba L., Marchioni R., Colombo M, & Pietrocola G. (2018). Esthetic restorative materials and glass ionomer cements: Influence of acidic drink exposure on bacterial adhesion. European Journal of Dentistry, 12(2), 204-209.

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Standardized Aesthetic Material Testing

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The experimental design of the study is shown in Figure 1.
Esthetic restorative materials tested in this study are presented in Table 1. For each brand, the A2 Vita shade was selected.
All materials were polymerized according to the manufacturers' instructions into silicon rings (height 2 mm; internal diameter 6 mm; and external diameter 8 mm) to obtain specimens identical in size. Cavities of these rings were slightly overfilled with material, covered with transparent polyester film strip (Mylar strip, Henry Schein, Melville, NY, USA), pressed between glass plates, and polymerized for 40 s on each side using a curing unit (Celalux II, Voco, Cuxhaven, Germany). One light polymerization mode was used for each material - standard: 1000 mW/cm² for 40 s. The intensity of the light was verified with a radiometer (SDS Kerr, Orange, CA, USA). The light was placed perpendicular to the specimen surface at a distance of 1.5 mm to have the best intensity of light in accordance to the manufacturers' instructions.

Beltrami R., Ceci M., De Pani G., Vialba L., Federico R., Poggio C, & Colombo M. (2018). Effect of different surface finishing/polishing procedures on color stability of esthetic restorative materials: A spectrophotometric evaluation. European Journal of Dentistry, 12(1), 49-56.

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