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Aim To evaluate in vivo the shaping ability of the canal with 3 different single-file systems: Reciproc Blue, WaveOne Gold and XP Endo-Shaper, using cone beam computed tomography and 3D reconstructions to measure canal volume increase, centering ability of the instruments and canal transportation in human premolars in vivo.
Methodology Thirty human lower premolars were randomly divided into three groups, in which root canals were prepared using one of these single-file systems: Reciproc Blue, WaveOne Gold, and XP EndoShaper. Root canals were scanned before and after root canal preparation by using CBCT and 3D reconstruction was carried out to evaluate canal volume increase, centering ability of the instrument and canal transportation for each group. Statistical analysis was made for each variable to determine statistically significant differences between groups.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Reciproc Blue | Experimental | Patients in which root canal from a lower premolar was prepared with the Reciproc Blue technique. |
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| WaveOne Gold | Experimental | Patients in which root canal from a lower premolar was prepared with the WaveOne Gold technique. |
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| XP EndoShaper | Experimental | Patients in which root canal from a lower premolar was prepared with the XP EndoShaper technique. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Root canal preparation | Procedure | Root canals from lower premolars with extraction indicated were prepared previous to being extracted with either the Reciproc Blue, the WaveOne Gold or the XP EndoShaper single-file techniques. |
| Measure | Description | Time Frame |
|---|---|---|
| Root canal volume increase in cubic millimetres after root canal preparation by using the volume command in the Rhinoceros 5.0 software | The total volume of the root canal measured before and after root canal preparation by using the volume command in the Rhinoceros 5.0 software which gives the volume of a solid in cubic millimetres. | One day |
| Root canal transportation after preparation assessed by superimposing three-dimensional reconstruction images of pre- and post-preparation | Deviation of the original anatomy of the canal to the mesial or distal wall after root canal preparation evaluated by superimposing three-dimensional reconstruction images of the canal before and after preparation. | One day |
| Centring ability of the instruments used to prepare the root canal assessed by determining if canal was enlarged equally to each of its walls | Ability of the instruments used for root canal preparation to equally enlarge all of the canal walls, evaluated by analysing superimposed three-dimensional reconstructed images of before and after root canal preparation. | One day |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Javier Caviedes-Bucheli | Institucion Universitaria Colegios de Colombia | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Facultad de Odontologia, Unicoc | Bogotá | Colombia |
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| ID | Term |
|---|---|
| D003788 | Dental Pulp Diseases |
| ID | Term |
|---|---|
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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| ID | Term |
|---|---|
| D018915 | Root Canal Preparation |
| ID | Term |
|---|---|
| D012390 | Root Canal Therapy |
| D004708 | Endodontics |
| D003813 | Dentistry |
| D019246 | Tooth Preparation |
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