Clinical trial

Therapeutic Effects of Class II Elastics on Aligners in Different Vertical Skelettal Patterns in Adult Patients: Retrospective Study.

Name

2023PI022

Description

The objective is to compare the dento-alveolar therapeutic effects of wearing class II inter-arch traction elastics on aligners versus multi-brackets in an adult population. The principal hypothesis is no significant difference in therapeutic effects of using inter-arch elastics on aligners versus multi-brackets.

Trial arms

Trial start

2024-05-30

Estimated PCD

2024-06-01

Trial end

2024-07-01

Status

Not yet recruiting

Treatment

Aligner and inter-arch elastics

Correction of class II malocclusion by class II elastics on clear aligners

Arms:

Clear aligner

Size

Primary endpoint

Change in IMPA Mandibular incisor angle (degrees)

First : just before the beginning of treatment; Second : just after the end of orthodontic treatment. An average of 18 months.

Eligibility criteria

Inclusion Criteria: * CVM stage 5 on lateral teleradiography (end of growth) * Angle Class II * Treatments with rubber bands for inter-arch traction * End of treatment in class I Exclusion Criteria: * Incomplete data * Treatment with extractions, mini-screws, mini-plate or ortho-surgical treatment * Dental agenesis (excluding wisdom teeth) * Cranial-facial syndromes

Protocol

{'studyType': 'OBSERVATIONAL', 'patientRegistry': False, 'designInfo': {'observationalModel': 'OTHER', 'timePerspective': 'RETROSPECTIVE'}, 'enrollmentInfo': {'count': 80, 'type': 'ESTIMATED'}}

Updated at

2024-04-30

1 organization

1 product

2 indications

Organization

Central Hospital

Product

Aligner and inter-arch elastics

Indication

Malocclusion

Indication

Angle Class II