Sealing ability of castor oil polymer as a root-end filling material
J. appl. oral sci
;
17(3): 220-223, May-June 2009. ilus, graf, tab
Artículo
en Inglés
| LILACS
| ID: lil-514037
ABSTRACT
OBJECTIVE:
The purpose of this study was to evaluate the sealing ability of castor oil polymer (COP), mineral trioxide aggregate (MTA) and glass ionomer cement (GIC) as root-end filling materials. Forty-five single-rooted human teeth were cleaned and prepared using a step-back technique. The apical third of each root was resected perpendicularly to the long axis direction. All teeth were obturated with gutta-percha and an endodontic sealer. After, a root-end cavity with 1.25-mm depth was prepared using a diamond bur. The specimens were randomly divided into three experimental groups (n=15), according to the root-end filling material used G1) COP; G2) MTA; G3) GIC. The external surfaces of the specimens were covered with epoxy adhesive, except the root-end filling. The teeth were immersed in rhodamine B dye for 24 hours. Then, the roots were sectioned longitudinally and the linear dye penetration at the dentin/material interface was determined using a stereomicroscope. ANOVA and Tukey's tests were used to compare the three groups. The G1 group (COP) presented smaller dye penetration, statistically different than the G2 (MTA) and G3 (GIC) groups (p<0.05). No statistically significant difference in microleakage was observed between G2 and G3 groups (p>0.05). The results of this study indicate that the COP presented efficient sealing ability when used as a root-end filling material showing results significantly better than MTA and GIC.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Obturación Retrógrada
/
Materiales de Obturación del Conducto Radicular
/
Biopolímeros
/
Aceite de Ricino
/
Filtración Dental
Tipo de estudio:
Estudios de evaluación
Límite:
Humanos
Idioma:
Inglés
Revista:
J. appl. oral sci
Asunto de la revista:
Odontología
Año:
2009
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
São Paulo State University/BR
Similares
MEDLINE
...
LILACS
LIS