Evaluation of the dislodgement resistance of bioceramic reparative cements placed in a retrograde cavity using a different technique
Braz. j. oral sci
; 18: e191600, jan.-dez. 2019. ilus
Artigo
em Inglês
| LILACS, BBO - Odontologia
| ID: biblio-1095235
Biblioteca responsável:
BR218.1
ABSTRACT
Aim:
Calcium silicate-based fillings have been widely used in surgical endodontic treatment because of hard-tissue conductive and inductive properties. The aim of present study is to investigate the bond strength of different calcium silicate-based fillings in retrograde cavities.Methods:
Forty-four maxillary single rooted teeth were endodontically treated. The apical portions of the teeth were removed and root-end cavities were prepared using an ultrasonic tip. The roots were randomly divided into four experimental groups (n = 11) according to the material used; (1) MTA-FILLAPEX, (2) MTA Repair HP, (3) MTA-FILLAPEX+ MTA Repair HP, and (4) MTA Plus. Two horizontal cross sections (1±0.1 mm thick) from each specimen were resected from the apices. These sections were placed in a universal testing machine to evaluate the push-out bond strength force required for dislodgement of the root end filling was recorded. The failure type was also evaluated by using a stereomicroscope. The differences in bond strength were analyzed using the two-way analysis of variance (ANOVA).Results:
MTA-FILLAPEX and MTA Plus displayed the lowest and highest dislocation resistance, respectively (P < 0.05). In the apical level, bond strength was significantly higher than the coronal level in all groups except for MTA-FILLAPEX. Mixed failure was prevalent in all groups, except for MTA-FILLAPEX, which showed purely cohesive failures.Conclusions:
Investigated calcium silicate-based filling materials showed different bond strength to the root-end cavity. The bond strength was significantly decreased when the prior application of MTA-FILLAPEX before delivery of MTA Repair HP
Texto completo:
Disponível
Coleções:
Bases de dados internacionais
Base de dados:
BBO - Odontologia
/
LILACS
Assunto principal:
Obturação Retrógrada
/
Materiais Restauradores do Canal Radicular
/
Calcarea Silicata
/
Compostos de Cálcio
/
Endodontia
Idioma:
Inglês
Revista:
Braz. j. oral sci
Assunto da revista:
Odontologia
Ano de publicação:
2019
Tipo de documento:
Artigo
País de afiliação:
Turquia
Instituição/País de afiliação:
Tokat Gaziosmanpasa University/TR
/
University of Bolu Abant Izzet Baysal/TR