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This study will attempt to validate a method of estimating root length on panoramic radiograph by crown measurement on intraoral digital scans.
Intraoral digital scans will be taken on patients who have completed orthodontic treatment, and measurements will be made on the crown dimensions. These dimensions will then be applied onto the same teeth as seen on panoramic radiographs and a mathematical relationship will be determined for root length. Changes in root length will be measured from initial records to treatment complete panoramic radiographs and these estimates will be compared to actual root length changes as measured in CBCT (Cone Beam Computed Tomography) records.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental group | All patients who have initial and final records qualify in the experimental group. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Intraoral Scan | Other | All patients will have an intraoral scan performed for measurements to be taken on. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in root length in mm | Changes in root length will be calculated, starting from the initiation of orthodontic treatment to completion of treatment, at an average of 24 months. | Root length will be measured at the initiation of orthodontic treatment and at an average of 24 months later. |
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Inclusion Criteria:
Exclusion Criteria:
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Patients who have undergone orthodontic treatment, and associated tooth movement, and have initial records directly before the initiation of treatment.
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| Name | Affiliation | Role |
|---|---|---|
| Rodrigo Viecilli, DDS, PhD | Loma Linda University | Principal Investigator |
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| ID | Term |
|---|---|
| D012391 | Root Resorption |
| ID | Term |
|---|---|
| D014091 | Tooth Resorption |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
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