Difference Between Pressing and Vacuum Techniques in Fabrication of Orthodontic Aligners in Cases With Crowding: A Cross-sectional Study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06231888

Enrollment

100

Registered

2024-01-30

Start date

2024-02-01

Completion date

2024-05-30

Last updated

2024-01-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Orthodontic Aligners

Brief summary

This cross sectional study is aiming to compare 2 methods of clear aligner fabrication.

Interventions

DEVICEAligner

Orthodontic alginer

Study design

Observational model

OTHER

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Healthy volunteers

Yes

Inclusion criteria

* Maxillary arch with crowding. * Full permanent dentition.

Exclusion criteria

* Missing teeth. * Dental restorations.

Design outcomes

Primary

Measure	Time frame	Description
Maxillary arch dimensions	6 months	Arch lengths, Arch widths and each tooth size will be measured and compared between the 2 groups.

Secondary

Measure	Time frame	Description
Model superimposition	6 months	Superimposition of the models from the 2 groups will be done and then map difference will be measured.

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026