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KMID : 0362420140520020097
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Journal of Korean Academy of Prosthodontics
2014 Volume.52 No. 2 p.97 ~ p.104
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Comparative study on the radiopacity of different resin-based implant cements
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Han Kyeong-Hwan
Cheon Ho-Young
Kim Min-Su
Shin Sang-Wan
Lee Jeong-Yol
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Abstract
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PURPOSE. This study was aimed to compare the radiopacity of four kinds of currently available resin based implant cements using digital radiography.
MATERIALS AND METHODS. Four resin-based implant cements((Estemp ImplantTM (Spident, Incheon, Korea), Premier ?Implant (Premier, Pennsylvania, USA), Cem-ImplantTM (B.J.M lab, Or-yehuda, Israel), InterCemTM (SCI-PHARM, California, USA)) and control group (Elite Cement 100TM (GC, Tokyo, Japan) ) were mixed and cured according to the manufacturer‘s instructions on the custom made split-type metal mold. A total of 150 specimens of each cement were prepared and each specimen (purity over 99 percents) was placed side-by-side with an aluminum step wedge for image taking with Intraoral X-ray unit (Esx, Vatech, Korea) and digital X-ray sensor (EzSensor, Vatech, Korea). For the evaluation of aluminum wedge equivalent thickness (mm Al), ImageJ 1.47 m (Wayne Rasband, National Institutes of Health, USA) and Color inspector 3D ver 2.0 (Interaktive Visualisierung von Farbraumen, Berlin, Germany) programs were used.
RESULTS.Among the 5 cements, Elite cement 100TM (control group) showed the highest radio-opacity in all thickness. In the experimental group, InterCemTM had the highest radio-opacity followed by Premier Implant CementTM, Cem-ImplantTMand Estemp ImplantTM. In addition, InterCemTM showed radio-opacity that met the ISO No. 4049 standard in all the tested specimen thickness. Cem-Implant on 0.5 mm thickness showed radiopacity that met the ISO No. 4049 standard.
CONCLUSION. Among the implant resin-based cements tested in the study, Premier Implant Cement and Estemp ImplantTM did not show appropriate radio-opacity. Only InterCemTM and Cem-ImplantTM 0.5 mm specimen had the proper radiopacity and met the experiment standard.
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KEYWORD
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Radiopacity, Implant cement, Cement-type, Peri-implantitis
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