Difference Between Pressing and Vacuum Techniques in Fabrication of Orthodontic Aligners in Cases With Crowding: A Cross-sectional Study
1 other identifier
observational
100
1 country
1
Brief Summary
This cross sectional study is aiming to compare 2 methods of clear aligner fabrication.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Feb 2024
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 13, 2024
CompletedFirst Posted
Study publicly available on registry
January 30, 2024
CompletedStudy Start
First participant enrolled
February 1, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 30, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
May 30, 2024
CompletedJanuary 30, 2024
January 1, 2024
4 months
January 13, 2024
January 27, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Maxillary arch dimensions
Arch lengths, Arch widths and each tooth size will be measured and compared between the 2 groups.
6 months
Secondary Outcomes (1)
Model superimposition
6 months
Study Arms (2)
Press
Vacuum
Interventions
Eligibility Criteria
Maxillary arch with moderate crowding.
You may qualify if:
- Maxillary arch with crowding.
- Full permanent dentition.
You may not qualify if:
- Missing teeth.
- Dental restorations.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Cairo Universitylead
Study Sites (1)
Faculty of Dentistry
Cairo, 00202, Egypt
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- OTHER
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Lecturer, Department of Orthodontics
Study Record Dates
First Submitted
January 13, 2024
First Posted
January 30, 2024
Study Start
February 1, 2024
Primary Completion
May 30, 2024
Study Completion
May 30, 2024
Last Updated
January 30, 2024
Record last verified: 2024-01