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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۲۶، شماره ۱، صفحات ۶۱-۶۸
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عنوان انگلیسی Comparing the Effectiveness of GLUMA and 940 nm Laser for Improving Crown Retention with Self-Adhesive Cement
چکیده انگلیسی مقاله Statement of the Problem: The retention of dental crowns plays a pivotal role in their long-term success and maintenance. According to the ongoing controversy about the effect of GLUMA desensitizer and diode laser on the retention of full metal crowns, this study seeks to investigate the effectiveness of two different methods in enhancing the bond strength of full-metal crowns.
Purpose: This study was developed to compare the effect of 940nm diode laser and GLUMA desensitizer on the bond strength of full-metal crowns cemented by self-adhesive resin cement (RelyX U200).
Materials and Method: In this experimental study, 30 sound permanent maxillary first premolars were prepared; a 0.5-0.7 mm chamfer finish line was prepared above the cementoenamel junction. The teeth were randomly divided into three groups: 1. control group (n=10, no treatment) 2. 940nm diode laser (N=10) 3. GLUMA desensitizer (N=10). All crowns were cemented with self-adhesive resin cement (RelyX U200), and the bond strength was measured by universal testing machine. Data were analyzed by ANOVA and Post HOC Tukey test in SPSS Ver:20.
Results: Crown retention in the 940 nm diode laser group (166.86±34.25 N) was significantly lower than the GLUMA desensitizer group (318.59±56.31 N) (p< 0.05), but there was no significant difference with the control group (138.17±40.81). Crown retention in the GLUMA desensitizer group was significantly higher than the other groups (p< 0.05).
Conclusion: Results of this study showed that GLUMA desensitizer had a positive effect, and 940 nm diode laser had no effect on the retention of crowns cemented by self-adhesive resin cement.
کلیدواژه‌های انگلیسی مقاله Crowns,Resin Cements,Lasers,Prosthesis Retention
نویسندگان مقاله Pantea Amiri |
Dept. of Oral Medicine, Tehran University of Medical Sciences, Islamic Azad University, Tehran, Iran.

Ghazale Tekie |
Dept. of Oral Medicine, Tehran University of Medical Sciences, Islamic Azad University, Tehran, Iran.

Arash Azizi |
Dept. of Oral Medicine, Tehran University of Medical Sciences, Islamic Azad University, Tehran, Iran.

Shirin Lawaf |
Dept. of Prosthodontic, Tehran University of Medical Sciences, Islamic Azad University, Tehran, Iran.

نشانی اینترنتی https://dentjods.sums.ac.ir/article_50071_088cd1ff391bb2bd68c84c649470e056.pdf
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