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Revista de Odontologia da UNESP

On-line version ISSN 1807-2577

Abstract

MELO, Tiago André Fontoura de; KUNERT, Gustavo Golgo; SILVA, Mireli Belizario da  and  CABEDA, Mariella Falci. Efficacy of two obturation techniques in experimental internal root resorption cavities. Rev. odontol. UNESP [online]. 2014, vol.43, n.6, pp.367-371. ISSN 1807-2577.  https://doi.org/10.1590/1807-2577.1016.

Introduction:

The filling with obturation endodontic material in teeth with internal root resorption is extremely difficult.

Objective:

To evaluate the efficacy of two obturation techniques in the filling of experimental internal resorption cavities.

Material and method:

Twenty maxillary central incisors artificial, with the presence of a standardized simulated resorption cavity in the middle third of the root canal were used. After endodontic treatment of teeth, they were randomly divided into two groups (n=10), according to the obturation technique used: hybrid Tagger or with the aid of the ultrasonic system. Verification of endodontic obturation, with the cavity internal resorption, was taken by radiography with two types of incidence: mesiodistal and buccolingual. For the analysis of area closures, we used the Image Tool® program. The data of the filling were subjected to statistical analysis using Student's t test, with significance level of 5%.

Result:

There was no statistical difference between the tested obturation techniques. As one can observe a significant difference in teeth obturated with the aid of ultrasound, when compared to the radiograph performed in mesiodistal with buccolingual.

Conclusion:

The two obturation techniques tested were similar to fill the cavity of internal resorption.

Keywords : Endodontics; tooth resorption; root canal obturation; radiograph dental; dental instruments.

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