The Reliability and Validity of Little's Irregularity Index Assessment | NCT07745855

NCT07745855

Overview

NCT ID: NCT07745855
Lead Sponsor: Al-Azhar UniversityOTHER
Official Title: The Reliability and Validity of Little's Irregularity Index Assessment Using Three Dimensional (3D) Digital Models and Plaster Model's Photographs: A Reproducibility Study
Brief Summary: The primary aim of the current study was to estimate the validity, reliability, and repeatability of LII measurements
Conditions: Dental Crowding
Malocclusion, Angle Class I
Interventions: No data available

Ages Eligible for Study: Child (0-17)Adult (18-64)
Sexes Eligible for Study: Female
Accepts Healthy Volunteers?: No
Eligibility Criteria: Inclusion criteria:

Standardized study models for patients with a full set of permanent teeth (the third molars are not considered).

All study models for patients with Angle class I malocclusion.

All study models for patients with mild to moderate anterior teeth crowding in both arches

Corresponding standardized direct scanned intraoral digital models for all selected study models

Corresponding standardized digital photos for all selected study models

Corresponding standardized digital intra-oral photos for all selected study models

Exclusion criteria:

Damaged or distorted study models

Unclear or distorted digital models (STL file)

Unclear or distorted digital photos of study models (JPG File)

Unclear or distorted intra-oral photos (JPG File)

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