Accuracy of Computer Guided Surgery (vs) Conventional Model Surgery in Treatment of Skeletal Open Bite
- Conditions
- Apertognathia
- Registration Number
- NCT03277443
- Lead Sponsor
- Ammar Ribhi Abu shama
- Brief Summary
In patient with skeletal open bite, Dose computer-aided surgery enhances the clinical outcomes and accuracy versus conventional model surgery
- Detailed Description
P Adult Patients with skeletal open bite.
I Computer guided surgery.
C Conventional articulating model surgery
O Outcome measure:
Outcome Name Measuring Device Measuring Unit (mm)
O1 Accuracy
Computer guided: Super-imposition of virtual surgery over the post- operative CT Scan composite models ( millimeter mm)
Conventional : Super-imposition of scanned articulator with mounted casts in the pre-planned mock surgery over post-operative scanned mounted occlusion ( millimeter mm)
O2 Anterior open Bite Closure
Standardized Multi Scan CT (millimeter mm)
Recruitment & Eligibility
- Status
- UNKNOWN
- Sex
- All
- Target Recruitment
- 14
- Patients suffering from skeletal open bite caused by vertical posterior maxillary excess and/or short mandible ramus.
- Patients should be free from any systemic disease that may affect normal healing, and predictable outcome.
- Required two jaws orthographic surgery
- Patients with any systemic disease that may affect normal healing
- Intra-bony lesions or infections that may retard the osteotomy healing.
- Patient with bad oral hygiene.
- Uncontrolled Diabetes mellitus.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Primary Outcome Measures
Name Time Method Accuracy of movement of surgical segments in millimeter up to 4 months Computer guided Super-imposition of virtual surgery over the post- operative CT Scan composite models (millimeter mm).
Conventional Super-imposition of scanned articulator with mounted casts in the pre-planned mock surgery over post-operative scanned mounted occlusion- accuracy would be compared by difference between Intervention and control in (millimeter mm).
- Secondary Outcome Measures
Name Time Method Anterior open Bite Closure (positive overbite in millimeter) up to 4 months Standardized pre-surgery movement in amount of anterior open bite closure (mm) will be determined clinically and by radiograph.
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