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Title: Six-Month Color Stability Assessment of Two Calcium Silicate-Based Cements Used in Regenerative Endodontic Procedures
Authors: Palma, Paulo J. 
Marques, Joana A. 
Falacho, Rui I. 
Correia, Eder 
Vinagre, Alexandra 
Santos, João Miguel 
Ramos, João C. 
Keywords: Biodentine; calcium silicate-based cements; mineral trioxide aggregate; regenerative endodontic procedures; tooth discoloration
Issue Date: 28-Feb-2019
Serial title, monograph or event: Journal of Functional Biomaterials
Volume: 10
Issue: 1
Abstract: Aim: The purpose of the present study is to assess the color stability of two calcium silicate-based cements (CSCs) used in regenerative endodontic procedures (REPs). Methods: A total of 40 acrylic single-rooted transparent teeth, with immature apex, were used. Root canals were filled up to 3 mm below the level of the cementoenamel junction, with either saline solution (Mineral Trioxide Aggregate (MTA)/saline and Biodentine/saline) or blood (MTA/blood and Biodentine/blood). Subsequently, ProRoot MTA® or BiodentineTM was placed in the root canal to create a cervical barrier. Color measurement was carried out at four different evaluation periods (3 h, 72 h, 7 days, and 6 months). Shade analysis within the L* a* b* color space was performed and color variation (∆E) calculated. The significance level for statistical analysis was set at p < 0.05. Results: The four groups showed a significant decrease in L* values over time. The ∆E value increased over time for all groups but was not statistically significant for the Biodentine/blood group. Two-way ANOVA showed no interaction between the CSC and treatment (contact with saline solution or blood). CSC used was the factor responsible for ∆E over time, inducing statistically significant color variations from T3H to T7D (p = 0.04) and T3H to T6M (p < 0.01). After 6 months, MTA/saline had 5.08 (p = 0.001) higher ∆E than Biodentine/Saline and the MTA/blood had 3.65 (p = 0.009) higher than Biodentine/blood. Conclusions: After 6 months, regardless of blood exposure, Biodentine exhibits superior color stability compared to MTA. Biodentine might be a suitable alternative to MTA as a cervical barrier material in REPs.
ISSN: 2079-4983
DOI: 10.3390/jfb10010014
Rights: openAccess
Appears in Collections:FMUC Med. Dentária - Artigos em Revistas Internacionais

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