Permeability evaluation after decay removal in primary teeth with current caries-excavation techniques

Shabzendedar, M. and Moosavi, H. and Talbi, M. and Sharifi, M. (2011) Permeability evaluation after decay removal in primary teeth with current caries-excavation techniques. Journal of Contemporary Dental Practice, 12 (6). pp. 441-446.

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Aim: The goal of the study was to evaluate the effect of caries removal by three various methods on the permeability of class II composite resin restorations in primary molar teeth. Materials and methods: Forty-five recently extracted primary molars were randomly assigned to three groups for three different methods of caries removal; group 1-mechanical, group 2-caries detector dye, and group 3-Carisolv (n = 15). After that, class II cavities in all groups were restored with the adhesive (Opti Bond Solo Plus) that was applied according to the manufacturer's instruction and a posterior composite (Herculite XRV), which was used incrementally. After 24 hours the samples were thermocycled in water for 500 cycles between 5 and 55°C with a dwell time of 30 sec. Permeability was assessed by the fluid filtration method. The data were analyzed using the ANOVA test while study groups were compared with Tukey test for statistically significant differences at a 5 significance level. Results: The evaluation of tested groups indicated that the highest (0.80) and least (0.37) mean of permeability was observed in group 2 and 3 respectively. Significant difference was revealed among the tested groups (p = 0.045). The comparison of Carisolv and caries detector dye groups indicated a statistically significant difference (p = 0.037). There was not any significant difference between Carisolv or caries dye in the conventional group. Conclusion: Using the chemomechanical and staining methods for caries removal had no more detrimental effect on permeability than the conventional technique. However, caries detection dye for caries removal could be more harmful than chemomechanical method. Clinical significance: None of the current caries-excavation techniques could eliminate permeability in class II composite resin restorations. Furthermore, staining methods do not have an adverse effect on sealing ability in comparison to the conventional technique.

Item Type: Article
Additional Information: Export Date: 16 February 2020 Correspondence Address: Moosavi, H.; Department of Operative Dentistry, Dental Materials Research Center, Dental School, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran; email:
Uncontrolled Keywords: Caries detector Carious dentin Fluid filtration Permeability
Subjects: WU Dentistry. Oral surgery
Divisions: Mashhad University of Medical Sciences
Depositing User: mr lib7 lib7
Date Deposited: 02 May 2020 04:15
Last Modified: 02 May 2020 04:15

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