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Questions and Answers
What is the primary step in analyzing and planning oral rehabilitation?
The registration of individual articular parameters such as SCI, Bennett angle and immediate side shift (ISS)
What is the significance of SCI in dynamic tooth morphology?
SCI, defined as the angle formed between the protrusive condylar path and the Frankfort plane, mostly influences dynamic tooth morphology
What is the most accurate and non-invasive method for measuring the curvature of the glenoid fossa?
CBCT (Cone Beam Computed Tomography) scan
What is the finding of the clinical study regarding the difference between the right and left condylar inclination values achieved by CBCT technique?
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Why did El Gheriani and Winstanley, and Zamacona et al. declare significant differences between the left and right condylar guidance values?
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Was statistical significance variation observed in the SCG values between genders?
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What is the purpose of analyzing and planning oral rehabilitation?
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What is the significance of determining the individual value of SCI?
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Study Notes
Analyzing and Planning Oral Rehabilitation
- Registering individual articular parameters (SCI, Bennett angle, ISS) is the first step in analyzing and planning oral rehabilitation to maintain and restore essential functions like mastication, speech, chewing, and esthetics.
Significance of SCI
- SCI (angle between protrusive condylar path and Frankfort plane or other horizontal reference planes) influences dynamic tooth morphology.
- Determining individual SCI values ensures better diagnosis, treatment planning, and more accurate prosthetic restorations, saving clinical time for occlusal interferences adjustments.
Condylar Path Registration Methods
- Several clinical, radiological, and instrumental methods have been proposed for condylar path registration.
- CBCT (Cone Beam Computed Tomography) is the most accurate and non-invasive method for measuring glenoid fossa curvature and SCI angle.
CBCT Reliability
- CBCT scans have shown the highest rate of reliability for measuring SCI angle compared to other methods.
- No statistically significant difference in right and left condylar inclination values was found in both dentate and edentulous groups using CBCT.
Comparison with Other Studies
- The findings agree with other studies, but contradict those of El Gheriani and Winstanley, and Zamacona et al., which may be due to heterogeneous sample populations.
- No statistically significant difference in SCI values was observed between genders, consistent with other studies.
- A statistically significant difference in SCI inclination values was found between dentate and edentulous cases, disagreeing with Das et al.'s study, which used OPG (Orthopantomogram) instead of CBCT.
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Description
This quiz covers the registration of individual articular parameters in oral rehabilitation, including SCI, Bennett angle, and immediate side shift, for maintaining and restoring essential functions.
