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HOME > Restor Dent Endod > Volume 36(2); 2011 > Article
Basic Research The evaluation of surface roughness and polishing time between polishing systems
Ye-Mi Kim, DDS, MS1, Su-Jung Shin, DDS, MS2, Min-Ju Song, DDS, MS2, Jeong-Won Park, DDS, PhD2
2011;36(2):-124.
DOI: https://doi.org/10.5395/JKACD.2011.36.2.119
Published online: March 31, 2011

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Correspondence to Jeong-Won Park, DDS, PhD. Associate Professor, Department of Conservative Dentistry, Gangnam Severance Hospital, Yonsei University College of Dentistry, 146-92 Dogok-dong Gangnam-gu, Seoul, Korea 135-720. TEL, +82-2-2019-1350; FAX, +82-2-3463-4052; pjw@yuhs.ac
• Received: January 19, 2011   • Revised: February 22, 2011   • Accepted: February 23, 2011

Copyright © 2011 Korean Academy of Conservative Dentistry

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  • Objectives
    The purpose of this experiment was to evaluate four different polishing systems of their polishability and polishing time.
  • Materials and Methods
    4 mm diameter and 2 mm thickness Teflon mold was made. Z-250 (3M ESPE) hybrid composite resin was slightly overfilled and pressed with slide glass and cured with Optilux 501 for 40 sec each side. Then the surface roughness (glass pressed: control group) was measured with profilometer. One surface of the specimen was roughened by #320 grit sand paper and polished with one of the following polishing systems; Sof-Lex (3M ESPE), Jiffy (Ultradent), Enhance (Dentsply/Caulk), or Pogo (Dentsply/Caulk). The surface roughness and the total polishing time were measured. The results were analyzed with one-way ANOVA and Duncan's multiple range test.
  • Results
    The surface roughness was lowest in Pogo, and highest in Sof-Lex. Polishing times were shortest with Pogo, and followed by the Sof-Lex, Enhance and Jiffy.
  • Conclusions
    One-step polishing system (Pogo) is very effective to get the smooth surface in a short time, therefore it can be recommended for final polishing system of the restoration.
  • Keywords: Dental composite; One-step polishing; Polishing; Surface roughness
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Figure 1
Surface roughness (Ra, µm) of composite resins with 4 different polishing systems.
jkacd-36-119-g001.jpg
Figure 2
Polishing time (seconds) of 4 different polishing systems.
jkacd-36-119-g002.jpg
Figure 3
SEM image of the polished composite surface with each polishing system (left ×100, right ×10,000). SEM, scanning electron microscopr.
jkacd-36-119-g003.jpg
Table 1
Polishing systems used in this experiment
jkacd-36-119-i001.jpg
Table 2
Surface roughness and polishing time for each polishing system (n = 13)

Different superscript in the same column means statistically significant difference (p < 0.05).

jkacd-36-119-i002.jpg

Tables & Figures

REFERENCES

    Citations

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      The evaluation of surface roughness and polishing time between polishing systems
      J Korean Acad Conserv Dent. 2011;36(2):119-124.   Published online March 31, 2011
      DOI: https://doi.org/10.5395/JKACD.2011.36.2.119
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    Figure
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    The evaluation of surface roughness and polishing time between polishing systems
    Image Image Image
    Figure 1 Surface roughness (Ra, µm) of composite resins with 4 different polishing systems.
    Figure 2 Polishing time (seconds) of 4 different polishing systems.
    Figure 3 SEM image of the polished composite surface with each polishing system (left ×100, right ×10,000). SEM, scanning electron microscopr.

    Figure 1

    Figure 2

    Figure 3

    The evaluation of surface roughness and polishing time between polishing systems

    Polishing systems used in this experiment

    Surface roughness and polishing time for each polishing system (n = 13)

    Different superscript in the same column means statistically significant difference (p < 0.05).
    Table 1 Polishing systems used in this experiment

    Table 2 Surface roughness and polishing time for each polishing system (n = 13)

    Different superscript in the same column means statistically significant difference (p < 0.05).

    Table 1

    Table 2

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