Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/105214
Title: Apical Sealing Ability of Two Calcium Silicate-Based Sealers Using a Radioactive Isotope Method: An In Vitro Apexification Model
Authors: Pereira, Inês Raquel 
Carvalho, Catarina 
Paulo, Siri Folques Vicente de 
Martinho, José Pedro 
Coelho, Ana Sofia 
Paula, Anabela Baptista 
Marto, Carlos Miguel 
Carrilho, Eunice 
Botelho, Maria Filomena 
Abrantes, Ana Margarida 
Ferreira, Manuel Marques 
Keywords: apexification; calcium silicate; dental leakage; mineral trioxide aggregate; sodium pertechnetate Tc 99m
Issue Date: 27-Oct-2021
Publisher: MDPI
Serial title, monograph or event: Materials
Volume: 14
Issue: 21
Abstract: The aim of this study was to evaluate and compare the sealing ability of two calcium silicate-based sealers (TotalFill BC RRM Fast Set Putty and White ProRoot MTA) when used as apical plugs in immature teeth through nuclear medicine. Single-rooted extracted teeth (n = 34) had their crowns and root tip sectioned to obtain 14 mm long root segments to simulate an in vitro apexification model. Were created two experimental groups, namely MTA (n = 12) and BC (n = 12), and two control groups, PG (positive group, n = 5) and NG (negative group, n = 5). On the 4th day after placing the respective apical plug, the apical portions of the teeth were submerged in a solution of sodium pertechnetate (99mTcNaO4) for 3 h. Statistical analysis showed a significant difference between the MTA group and the controls (p < 0.05). The BC group had a significant difference regarding the negative control (p < 0.001) but showed no statistical significance regarding the positive control (p = 0.168). There was a statistically significant difference (p = 0.009) between the BC group (7335.8 ± 2755.5) and the MTA group (4059.1 ± 1231.1), where the last showed less infiltration. Within the limitations of this study, White ProRoot MTA had a significantly better sealing ability than TotalFill BC RRM Fast Set Putty.
URI: https://hdl.handle.net/10316/105214
ISSN: 1996-1944
DOI: 10.3390/ma14216456
Rights: openAccess
Appears in Collections:FMUC Medicina - Artigos em Revistas Internacionais
I&D CIBB - Artigos em Revistas Internacionais

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