Restorative Dentistry and Endodontics

  • 제44권1호
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  • Pages.10.1-10.11
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  • 2019
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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Discoloration of teeth due to different intracanal medicaments

  • Afkhami, Farzaneh (Department of Endodontics, Faculty of Dentistry, Tehran University of Medical Sciences, International Campus) ;
  • Elahy, Sadaf (General Dentist) ;
  • Nahavandi, Alireza Mahmoudi (Color Imaging and Color Image Processing Department, Institute for Color Science and Technology (ICST)) ;
  • Kharazifard, Mohamad Javad (Department of Epidemiology and Biostatistics, Faculty of Public Health, Tehran University of Medical Sciences) ;
  • Sooratgar, Aidin (Department of Endodontics, Faculty of Dentistry, Tehran University of Medical Sciences, International Campus)
  • 투고 : 2018.06.30
  • 심사 : 2018.10.30
  • 발행 : 2019.02.28
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초록

Objectives: The objective of this study was to assess coronal discoloration induced by the following intracanal medicaments: calcium hydroxide (CH), a mixture of CH paste and chlorhexidine gel (CH/CHX), and triple antibiotic paste (3Mix). Materials and Methods: Seventy extracted single-canal teeth were selected. Access cavities were prepared and each canal was instrumented with a rotary ProTaper system. The specimens were randomly assigned to CH, CH/CHX, and 3Mix paste experimental groups (n = 20 each) or a control group (n = 10). Each experimental group was randomly divided into 2 subgroups (A and B). In subgroup A, medicaments were only applied to the root canals, while in subgroup B, the root canals were completely filled with medicaments and a cotton pellet dipped in medicament was also placed in the pulp chamber. Spectrophotometric readings were obtained from the mid-buccal surface of the tooth crowns immediately after placing the medicaments (T1) and at 1 week (T2), 1 month (T3), and 3 months (T4) after filling. The ${\Delta}E$ was then calculated. Data were analyzed using 2-way analysis of variance (ANOVA), 3-way ANOVA, and the $Scheff{\acute{e}}$ post hoc test. Results: The greatest color change (${\Delta}E$) was observed at 3 months (p < 0.0001) and in 3Mix subgroup B (p = 0.0057). No significant color change occurred in the CH (p = 0.7865) or CH/CHX (p = 0.1367) groups over time, but the 3Mix group showed a significant ${\Delta}E$ (p = 0.0164). Conclusion: Intracanal medicaments may induce tooth discoloration. Use of 3Mix must be short and it must be carefully applied only to the root canals; the access cavity should be thoroughly cleaned afterwards.

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참고문헌

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피인용 문헌

  1. Effect of hydrogel-based antibiotic intracanal medicaments on crown discoloration vol.46, 2019, https://doi.org/10.5395/rde.2021.46.e52