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http://dx.doi.org/10.4047/jkap.2014.52.2.97

Comparative study on the radiopacity of different resin-based implant cements  

Han, Kyeong-Hwan (Post Graduate School of Clinical Dentistry, Institute for Clinical Dental Reserch, Korea University)
Cheon, Ho-Young (Post Graduate School of Clinical Dentistry, Institute for Clinical Dental Reserch, Korea University)
Kim, Min-Su (Post Graduate School of Clinical Dentistry, Institute for Clinical Dental Reserch, Korea University)
Shin, Sang-Wan (Post Graduate School of Clinical Dentistry, Institute for Clinical Dental Reserch, Korea University)
Lee, Jeong-Yol (Post Graduate School of Clinical Dentistry, Institute for Clinical Dental Reserch, Korea University)
Publication Information
The Journal of Korean Academy of Prosthodontics / v.52, no.2, 2014 , pp. 97-104 More about this Journal
Abstract
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 $Implant^{TM}$ (Spident, Incheon, Korea), $Premier^{(R)}$Implant (Premier, Pennsylvania, USA), $Cem-Implant^{TM}$ (B.J.M lab, Or-yehuda, Israel), $InterCem^{TM}$ (SCI-PHARM, California, USA)) and control group (Elite Cement $100^{TM}$ (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%) 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. Result: Among the 5 cements, Elite cement $100^{TM}$ (control group) showed the highest radio-opacity in all thickness. In the experimental group, $InterCem^{TM}$ had the highest radio-opacity followed by $Premier^{(R)}$ Implant $Cement^{TM}$, $Cem-Implant^{TM}$ and Estemp $Implant^{TM}$. In addition, $InterCem^{TM}$ 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, $Premier^{(R)}$ Implant Cement and Estemp $Implant^{TM}$ did not show appropriate radio-opacity. Only $InterCem^{TM}$ and $Cem-Implant^{TM}$ 0.5 mm specimen had the proper radiopacity and met the experiment standard.
Keywords
Radiopacity; Implant cement; Cement-type; Peri-implantitis;
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