To protect the Vickers indentations from contamination, they were covered with Mylar tape. The ceramic surface was pretreated with hydrofluoric acid (Ultradent Porcelain Etch, Ultradent Products, Inc., St. Louis, USA) and silane coupling agents (CLEARFIL CERAMIC PRIMER, Kuraray, Tokyo, Japan, or Monobond Plus, Ivoclar Vivadent, Schaan, Liechtenstein) strictly following the manufacturers’ recommendation (Fig. 1 ). The holes were then filled with increments of the nine self-adhesive resin composite cements ((1) G-CEM, GC Europe, Leuven, Belgium; (2) iCEM, Kulzer, Hanau, Germany; (3) Bifix SE, VOCO, Cuxhaven, Germany; (4) Maxcem Elite, Kerr, Orange, USA; (5) PANAVIA SA, Kuraray; (6) SoloCem, Coltene/Whaledent, Altstätten, Switzerland; (7) SmartCem 2, Dentsply Sirona, Konstanz, Germany; (8) SpeedCEM, Ivoclar Vivadent; (9) RelyX Unicem 2, 3M, Seefeld, Germany) or the glass ionomer cement (control group; Ketac Cem, 3M, Seefeld, Germany; n = 13 per subgroup). Specimens were covered with Mylar tape before curing of the self-adhesive resin composite cements was performed using a LED polymerization device with wavelengths between 430 and 480 nm (Elipar S10, 3M) for 60 s. The glass ionomer cement was self-cured. After polymerization, specimens were stored for 10 min before a repeated measurement of the crack length was performed.
Relyx unicem 2
Manufactured by 3M
Sourced in Germany
RelyX Unicem 2 is a self-adhesive resin cement used for the cementation of indirect dental restorations. It provides a strong and durable bond between the restoration and the tooth structure.
Automatically generated - may contain errors
Lab products found in correlation
Model 1900, by Kopf Instruments (2 mentions)
Mo 10, by Narishige (2 mentions)
Monobond plus, by Ivoclar Vivadent (1 mentions)
Porcelain etch, by Ultradent (1 mentions)
Smartcem 2, by Dentsply (1 mentions)
Speedcem, by Ivoclar Vivadent (1 mentions)
Elipar s10, by 3M (1 mentions)
Clearfil ceramic primer, by Kuraray (1 mentions)
Ketac cem, by 3M (1 mentions)
Bluephase meter, by Ivoclar Vivadent (1 mentions)
Bluephase, by Ivoclar Vivadent (1 mentions)
Panavia f2, by Kuraray (1 mentions)
Tetric evoflow, by Ivoclar Vivadent (1 mentions)
Clearfil sa cement, by Kuraray (1 mentions)
8 protocols using relyx unicem 2
1
Sealing Vickers Indentation Defects
2
Comparative Evaluation of Dental Cements
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One HSCRB (KZR-CAD HR 3 Gammatheta, Yamakin, Kouchi, Japan [KC]) and 3 dual-cure SARs (RelyX Unicem 2, 3M ESPE, St. Paul, MN, USA [RXU]; SA Luting Plus, Kuraray Noritake Dental, Tainai, Japan [SAL] ; and G-Cem ONE, GC Corp., Tokyo, Japan [GCO]) were investigated in this study (Table 1).
3
Evaluation of Different Dental Cements
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Four different types of cements were used; ZPC (De Trey Zinc, Dentsply, York, PA), glass-ionomer cement (GIC; Fuji I, GC, Tokyo, Japan), self-adhesive resin-based cement (SRC; RelyX Unicem2, 3M/ESPE, St. Paul, MN) and adhesive RC (Panavia F2.0, Kuraray Noritake Dental, Tokyo, Japan). RC was tested in both dual cure mode (RC-D) and pure chemical cured mode (RC-C).
When light curing was needed throughout the study, a light curing unit (Bluephase, Ivoclar/Vivadent, Schaan, Lichtenstein, Germany) was used at an irradiance of 1370 ± 50 mW/cm2 controlled using Bluephase meter (Ivoclar/Vivadent) at each occasion.
When light curing was needed throughout the study, a light curing unit (Bluephase, Ivoclar/Vivadent, Schaan, Lichtenstein, Germany) was used at an irradiance of 1370 ± 50 mW/cm2 controlled using Bluephase meter (Ivoclar/Vivadent) at each occasion.
4
Stabilizing Dental Implants with Orthodontic Techniques
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Since the gap interface does not provide primary stability of the implant, each implant was attached to a 0.016″ × 0.022″ rect 10 titanium orthodontic arch wire (Patterson Dental, Saint Paul, MN, EUA) by spot‐welding at 2.0 kV. (Figure 1 a,b). The retopin was placed in the surgical hole and the wire portion was cemented onto the molars using a nano‐optimized flowable composite (Tetric EvoFlow, Ivoclar Vivadent, Schaan Liechtenstein, Figure 1 e,f). To protected the implants from external disturbance, a stainless‐steel pediatric crown (3 M, Elyria, OH, EUA) was adapted to overhang the implant and cemented over the wire to the molars using a self‐adhesive resin cement (RelyX™ Unicem 2, 3 M). (Figure 1 c,g–i). A small hole (1.1 mm) was made in the upper part of the crown to allow access to and loading of the extremity of the archwire “beam” attached to the implant (described below, Figure 1 c). Another crown was cemented on the contralateral side to maintain the occlusal balance (Figure 1 g). The animals received an injection of Temgesic (0.2 mL Buprenorphine hydrochloride, Reckitt and Colman, Hull, UK) after surgery, and were fed with soft food containing Temgesic for the entire 14 day duration of the experiment.
5
Dual-curing Luting Agents Evaluation
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A SARC containing monomers with two phosphoric and two polymerizable groups (RXU2; RelyX Unicem 2, color A2, 3M Oral Care, Seefeld, Germany) and a SARC containing monomers with one phosphoric and one polymerizable group (CSA; Clearfil SA Cement, color A2, Kuraray, Tokyo, Japan) were used in this study. A 10-MDP (10-methacryloyloxydecyl dihydrogen phosphate)-containing CRC+SE (PAN; Panavia F 2.0, shade TC, ED Primer II, Kuraray, Tokyo, Japan) served as control. For better readability, the term luting agents is used throughout this manuscript for both, SARCs and CRC+SE. The composition of each luting agent as specified by the manufacturer is shown in Table 1 [19 (link)]. All luting agents were used in dual-curing (DC) comprising light-curing and a subsequent dark-curing period, and self-curing (SC) mode comprising dark-curing only.
6
Sintering and Finishing of Y-TZP Crowns
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The sintering process was performed in a sintering furnace according to the manufacturer’s recommendations (Ceramill therm, AmannGirrbach AG). After adhesive placement using a self-adhesive resin cement (RelyX Unicem 2, 3M ESPE, Seefeld, Germany, LOT: 509981), the sintered Y-TZP crowns were mounted in a socket in their insertion direction. Afterwards, the tapers were manually adapted with a water-cooled turbine (W & H Perfecta 900, W & H Dentalwerk Bürmoos GmbH, Bürmoos, Austria) and fixed in a parallelometer (F4 basic, DeguDent, Hanau, Germany). For this purpose, diamond burs (Ceramic Art Set 4371/4369, ZR374M/F, Komet Dental GmbH & Co. KG, Lemgo, Germany) with three corresponding grit sizes (151 µm/107 µm/46 µm) for 0°, 1° and 2° tapers were used as recommended in the literature. For polishing, a three-step silicone polishing system (Ceramic Art Set 4371, Komet Dental GmbH & Co. KG) was applied with round brushes and polishing paste (Komet Dental GmbH & Co. KG, REF: 9638900190; YETI DIA-GLACE; YETI Dentalprodukte GmbH, Engen, Germany, Pat. 3832085.1).
7
Stereotaxic Viral Vector Delivery
8
Stereotaxic Viral Vector Delivery
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Animals were anaesthetised with an intraperitoneal injection (i.p.) of ketamine (95mg/kg) and xylazine (15.2mg/kg), and carpofen (5 mg/kg) was administered subcutaneously. Isoflurane (0.5-2.5% in oxygen, 1L/min) was used to maintain anaesthesia. Craniotomies were made using a 0.5mm burr and viral vectors were delivered using pulled glass pipettes (10μl Wiretrol II with a Sutter P-1000) in an injection system coupled to a hydraulic micromanipulator (MO-10, Narishige) on a stereotaxic frame (Model 1900 and 963, Kopf Instruments), at ~10nl/min. Implants were affixed using light-cured dental cement (RelyX Unicem 2, 3M) and the wound sutured (6-0, Vicryl Rapide) or glued (Vetbond). Coordinates are measured from lambda.
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