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An in vitro evaluation of two dentine adhesive systems to seal the pulp chamber using a glucose penetration model
Silvia González-Castillo1, María-Estela Bailón-Sánchez, María-Paloma González-Rodríguez
1Department of Dental Pathology and Therapeutics, School of Dentistry, University of Granada, Spain.
Objectives:
To evaluate the sealing capability of Cavit™ G with or without Clearfil™ S3 Bond and Prime & Bond NT placed in the pulp chamber.
Study Design:
Forty single rooted premolars, extracted for orthodontic and periodontal reasons, with intact coronal surface and mature apices, were standardized to a length of 15 mm. The teeth were instrumented, filled with a gutta-percha master cone and divided into three groups to obturate the pulp chambers: Cavit™ G; Clearfil™ S3 Bond plus Cavit™ G and Prime & Bond® NT plus Cavit™ G. A glucose leakage model was used for evaluating the coronal microleakage. The Mann-Whitney test was used to evaluate the differences in the means of the glucose leakage.
Results:
An increase in glucose penetration was observed during the first week in groups Cavit™ G and Cavit™ G+PBNT. The glucose penetration values of all groups were similar at 30 and 45 days, and there were no significant differences among them in both time periods (p=0.736 and p=0.581, respectively).
Conclusions:
The adhesive systems did not improve the capability of Cavit™ G to seal the pulp chamber over time.
