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To compare the accuracy of the occlusal splints made by conventional impression and milled with the splint made by intraoral scanner and milled.
Forty participants received two different occlusal devices from two different workflows (fully conventional and fully digital). Every splint was scanned before and after the occlusal adjustments in order to compare the volumetric changes. Furthermore, the scans were compared in a software Geomagic® Control X calculates and measures the distance from every surface point from the initial dataset (occlusal devices before adjustment) to the final dataset (occlusal device after adjustment).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Analogic-Analogic | Active Comparator | Occlusal splints made by conventional impression and conventional fabrication. |
|
| Analogic-Digital | Active Comparator | Occlusal splints made by conventional impression and digital design and fabrication. |
|
| Digital-Digital | Active Comparator | Occlusal splints performed by intra-oral scanner and digital design and fabrication. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Occlusal Splints Analogic-Analogic | Other | Take a conventional impression to the patient and conventional fabrication of the splint. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Volumetric changes assessed in Root Mean Square (RMS) | The software of automatically graphical comparisons called Geomagic® Control X (Geomagic Inc., 3D Systems Inc., USA) will be used to calculate the accuracy by measuring the distance (positive or negative) from every surface point from the initial dataset (occlusal devices before adjustment) to the final dataset (occlusal device after adjustment). This approach will give us the mean of the simple arithmetic difference. | 1 week |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Miguel Roig, DDS, PhD | Universitat Internacional de Catalunya | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Blasi Clinica Dental Barcelona | Barcelona | 08021 | Spain |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 36942721 | Derived | Blasi A, Henarejos-Domingo V, Palacios-Banuelos R, Aparicio C, Roig M. Comparison accuracy of digital and analog method using milled occlusal splints. J Esthet Restor Dent. 2023 Oct;35(7):1103-1112. doi: 10.1111/jerd.13039. Epub 2023 Mar 21. |
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This clinical study has three arms of equal size: occlusal splints made by conventional impression and conventional fabrication (Group 1), occlusal splints made by conventional impression and digital design and fabrication (Group 2), and occlusal splints performed by intra-oral scanner and digital design and fabrication (Group 3).
Otherwise, the allocation of each subject to each group will be done at random by a list made with specialized software until the sample will be fulfilled when the patient is recruited.
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| Occlusal Splints Analogic-Digital | Other | Take a conventional impression to the patient and digital fabrication of the splint. |
|
| Occlusal Splints Digital-Digital | Other | Take a digital impression to the patient and digital fabrication of the splint. |
|