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Background: Despite the clear drive toward digital model transformation, there are limitations to some paid software necessary for digital model production. The aim of the study is to compare the accuracy of open-access software against paid software regarding the segmentation process to produce a digital model. Four groups of software programs will be assessed regarding their accuracy in the segmentation process to produce a digital dental model. The reference models will be scanned by a desktop scanner and will be set as the gold standard. The same models will be scanned by the same CBCT machine. The obtained DICOM data will be converted into STL files by four different software programs.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Open access software 1 |
| ||
| Open access software 2 |
| ||
| Non open access paid software 1 |
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| Non open access paid software 2 |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Bluesky software | Other | Dental stone casts will be scanned with a desktop scanner and then STL files will be exported. Virtual 3D surface models will be obtained by Bluesky software. |
| Measure | Description | Time Frame |
|---|---|---|
| Deviation in digital models measurments | 3D deviation analysis will be done between the digital models of each participant and the reference model by reverse engineering 3-Matics software (Materialise NV, Belgium, Version 11.0). Each two STL models will be imported into the software. The mean deviation difference (measured in mm) will be calculated by 'Analyse' tool present in the software | through study completion, up to 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| Linear measurements | Each digital model will be measured in the three dimensions:
| through study completion, up to 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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Patients who are young adults attending the Periodontology, Oral Medicine, Diagnosis and Oral Radiology Department, Faculty of Dentistry, Alexandria University.
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| Name | Affiliation | Role |
|---|---|---|
| Noha ElKersh, PhD | Alexandria University, Faculty of Dentistry | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Alexandria Faculty of Dentistry | Alexandria | Egypt |
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| 3D slicer software | Other | Dental stone casts will be scanned with a desktop scanner and then STL files will be exported. Virtual 3D surface models will be obtained by 3D slicer software. |
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| OnDemand software | Other | Dental stone casts will be scanned with a desktop scanner and then STL files will be exported. Virtual 3D surface models will be obtained by OnDemand software. |
|
| Mimics software | Other | Dental stone casts will be scanned with a desktop scanner and then STL files will be exported. Virtual 3D surface models will be obtained by Mimics software. |
|
| Teeth crown width | For all teeth (twelve measurements for each arch), first molar to first molar, in both arches, the tooth measurements will include the mesiodistal widths from point contact to point contact. | through study completion, up to 3 months |