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The goal of this observational study is to evaluate the diagnostic accuracy of CBCT dose reduction on the mandibular canal visibility, and their effect on canal cortication compared to standard CBCT dose as a gold standard. The main question it aims to answer is: Will the lower CBCT doses affect the visualization of mandibular canal when compared to standard CBCT dose as a gold standard?
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| I1: Conventional dose CBCT imaging | exposure parameters:
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| I2: Conventional dose CBCT imaging | exposure parameters:
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| I3: CBCT imaging with Ultra low dose | exposure parameters:
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| I4: CBCT imaging with Ultra low dose | exposure parameters:
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| I5: CBCT imaging with Ultra low dose | exposure parameters:
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| R (Reference standard): CBCT imaging with standard dose |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CBCT imaging | Diagnostic Test | Each dry human mandible will be scanned 6 times (3 conventional CBCT protocols and 3 Ultra-low CBCT protocols) |
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| Measure | Description | Time Frame |
|---|---|---|
| Primary outcome Evaluation of the diagnostic accuracy of the lowest CBCT dose (Milliampere: 2.2 mA.) compared to the gold standard CBCT dose (Milliampere: 10 mA.) on the mandibular canal visibility. | March 2024 |
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Inclusion Criteria:
Exclusion Criteria:
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Dry human mandibles that will be recruited from Anatomy Department, Faculty of Medicine, Cairo University.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cairo University | Cairo | Egypt |
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exposure parameters:
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