Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10923/911
Tipo: article
Título: Radiographic evaluation of furcal perforations sealed with different materials in dogs' teeth
Autor(es): Vanni, José Roberto
Della-Bona, Álvaro
Figueiredo, José Antônio Poli de
Giovani, Pedro
Voss, Douglas
Kopper, Patrícia Maria Poli
Editor: Faculdade de Odontologia de Bauru
Fecha de Publicación: 2011
Volumen: 19
Primera página: 421
Última página: 425
Palabras clave: IATROGENIC DISEASE
DENTAL RADIOGRAPHY
FURCATION DEFECTS
MATERIALS
ODONTOLOGIA
RADIOLOGIA ODONTOLÓGICA
Resumen: OBJECTIVE: The objective of this work was to evaluate, using radiographic images, the behavior of four materials used to repair root perforations in dogs' teeth. Material and METHODS: Second and third premolars of 6 dogs were used. The 48 teeth were randomly divided into 4 groups (n=12) and the perforations were sealed with one of the following materials: MTA, AH Plus, Vitremer and gutta-percha. Dogs were submitted to general anesthesia, teeth were radiographed and pulp was accessed. Perforations were done, at the maximum curve of the pulp floor, sealed and the accessed coronal cavity was filled with glass ionomer cement (Vidrion R). After 90 days, the dogs were sacrificed and the last x-ray image was taken. Images were analyzed for the presence/absence of periodontal lesions at the perforation region. Data were analyzed statistically by chi-square test at 5% significance level. RESULTS: There were no statistically significant differences (p>0.05) among AH Plus, Vitremer and gutta-percha groups. MTA produced the smallest number of periodontal lesions (p<0.05). CONCLUSIONS: It may be concluded that none of the tested materials was able to preserve the integrity of the periodontal tissues in the furcation region, and the use of MTA resulted in the least formation of adjacent periodontal bone lesions revealed by the radiographic comparisons.
URI: http://hdl.handle.net/10923/911
DOI: 10.1590/S1678-77572011005000019
ISSN: 1678-7757
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