Micro-CT evaluation of two different root canal filling techniques

Luca Marigo, Massimo Cordaro, Carlo Lajolo, Raffaella Castagnola, R. Pecci, R. Bedini, E. Liborio Coppola

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

OBJECTIVE: The aim of this study was to compare the frequency and volume of voids in root canals obturated with two different filling techniques using micro-computed tomography (micro-CT). MATERIALS AND METHODS: Forty single-rooted permanent teeth were selected and decoronated. The roots were instrumented with WaveOne (Dentsply Maillefer, Ballaigues, Switzerland) to a large size until working length and irrigated with 5.25% sodium hypochlorite and 17% EDTA. Then, the samples were filled using a single-cone (n = 20) or the GuttaCore technique (n = 20). The presence and volume (mm3) of voids (internal, external, and combined) was calculated in the coronal, medium, and apical thirds using micro-CT (SkyScan 1072; SkyScan, Kartuizersweg, Belgium). Statistical analyses were performed using the χ2-test and Kruskal-Wallis tests (p<0.05). RESULTS: The frequency and total volume of voids in the middle third and the external voids in the coronal third were statistically significant (p<0.05). Within the same group, both techniques (single-cone and Guttacore) showed statistically significant differences in external and internal voids (p<0.05). CONCLUSIONS: The GuttaCore technique showed better results in the coronal and medium thirds than the single-cone technique. Our results showed that the single-cone and GuttaCore techniques were comparable in the apical third (p>0.05).
Lingua originaleEnglish
pagine (da-a)4778-4783
Numero di pagine6
RivistaEuropean Review for Medical and Pharmacological Sciences
Volume22
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • endodontic
  • micro-CT
  • root canal filling

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