Abstract
AimsThe aim of this in vitro study is to compare the coronal microleakage of three common temporary restorative materials, namely Coltosol, Compoglass, and Zonalin, used in pediatric dentistry after endodontic treatment at different time intervals (1 week, 1, and 2 months) using dye penetration.Materials and methodsAccess cavities were prepared in 72 intact extracted premolar teeth. The samples were divided into three groups (n = 24) and filled with Coltosol, Compoglass, or Zonalin. After thermal cycling for 500 cycles (5-55°C), the teeth were immersed in 1% methylene blue dye at 37°C for 1 week (n = 8), 1 month (n = 8), and 2 months (n = 8). The samples were sectioned buccolingually, and the linear depth of dye penetration was measured using a stereomicroscope at 16 × magnification. The data were analyzed using Kruskal-Wallis test.ResultsThere were no significant differences in the micro-leakage values of Coltosol and Zonalin or Zonalin and Com-poglass groups at 1 week (p > 0.05) or 1 month (p > 0.05) intervals, but a significant difference was noted between Coltosol and Compoglass groups (p < 0.01); Coltosol provided a more favorable coronal seal. No significant difference was found among the experimental groups at the 2-month interval (p > 0.05).ConclusionAt 1 week or 1 month of use, Coltosol showed better coronal seal. At 2 months, there was no significant difference apparent between the groups. A longer time lapse was associated with an increased likelihood of microleakage.How to cite this articleMilani S, Seraj B, Heidari A, Mirdamadi A, Shahrabi M. Coronal Sealing Capacity of Temporary Restorative Materials in Pediatric Dentistry: A Comparative Study. Int J Clin Pediatr Dent 2017;10(2):115-118.
Highlights
Bacterial infection has been regarded as the most common cause of pulpal and periradicular disease.[1,2] the main goal in endodontic treatment is complete elimination of bacteria and preservation of the tooth in an uninfected environment feasible by preventing bacterial penetration during and after the treatment procedure.[3]
There were no significant differences in the microleakage values of Coltosol and Zonalin or Zonalin and Compoglass groups at 1 week (p > 0.05) or 1 month (p > 0.05) intervals, but a significant difference was noted between Coltosol and Compoglass groups (p < 0.01); Coltosol provided a more favorable coronal seal
Temporary restorative materials used between sessions of an endodontic procedure should have an acceptable sealing ability to prevent marginal leakage of fluids, debris, and microorganisms from the oral environment into the root canal system and restrain the degradation of therapeutic materials placed in the pulp chamber.[1,2]
Summary
Bacterial infection has been regarded as the most common cause of pulpal and periradicular disease.[1,2] the main goal in endodontic treatment is complete elimination of bacteria and preservation of the tooth in an uninfected environment feasible by preventing bacterial penetration during and after the treatment procedure.[3]. Microleakage is defined as the leakage of microorganisms and toxins through the interface between the restoration and the walls of the cavity.[4] Temporary restorative materials used between sessions of an endodontic procedure should have an acceptable sealing ability to prevent marginal leakage of fluids, debris, and microorganisms from the oral environment into the root canal system and restrain the degradation of therapeutic materials placed in the pulp chamber.[1,2] Coronal leakage compromises the outcome of nonsurgical endodontic treatment.[5] The quality of the coronal seal is as critical as the apical seal of the root canal filling for periapical health after root canal therapy.[6]
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