Assessment of tooth discoloration induced by biodentine and white mineral trioxide aggregate in the presence of blood

Alireza Adl, Samane Javanmardi, Abbas Abbaszadegan, Alireza Adl, Samane Javanmardi, Abbas Abbaszadegan

Abstract

Introduction: In clinical dental application, using silicate-based cements is extremely popular. These materials come into direct contact with blood during or after placement and may cause tooth discoloration.

Objectives: The purpose of this study was to compare the coronal tooth discoloration induced by white mineral trioxide aggregate (MTA) and biodentine in the presence of blood.

Materials and methods: Seventy specimens were chemomechanically prepared and divided into four experimental and two control groups. In the experimental groups, the pulp chambers were filled with white MTA angelus or biodentine. Blood or saline saturated cotton pellets were placed within the canals. Saline or blood alone was used in the control groups. Color was assessed with a spectrophotometer at baseline, 1 week, and 1 and 3 months, and color change values were calculated. Tukey's honestly significant difference and Sidak tests were used for statistical analysis.

Results: The color change was significantly less with biodentine/saline than MTA/saline and MTA/blood (P < 0.05). Regardless of the material type and blood presence, discoloration increased after 3 months (P < 0.05).

Conclusion: Discoloration induced by biodentine/saline may not be clinically noticeable and it was less than MTA-containing groups. Irrespective of blood presence or absence, MTA caused perceptible color change.

Keywords: Biodentine; mineral trioxide aggregate; spectrophotometry; tooth discoloration.

Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Each specimen was placed into a single vial during experimentation
Figure 2
Figure 2
Color change was evaluated with Spectroshade MHT
Figure 3
Figure 3
Trend of ΔE changes at different measurement time intervals

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