Early Orthodontic Treatment of Dental Crowding

Dental Crowding Clinical Trial

Official title:

Early Versus Late Orthodontic Treatment of Dental Crowding - a Randomised Controlled Trial

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT04756843
• Other study ID #: HUS/3102/2020
• Status: Recruiting
• Phase: N/A
• Start date: November 18, 2022
• Est. completion date: January 2030

Study information

• Verified date: May 2024
• Source: University of Helsinki
• Contact: Heidi Arponen, DDS
• Phone: 358 9 4711
• Email: heidi.arponen[@]helsinki.fi
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

Aim of the study is to compare treatment duration and effects of orthodontic treatment of dental crowding between treatments started at different stages of mixed dentition phase. The randomized controlled trial study will be conducted in a public health care center.

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 60
• Est. completion date: January 2030
• Est. primary completion date: December 2029
• Accepts healthy volunteers: No
• Gender: All
• Age group: 6 Years to 14 Years

Eligibility

Inclusion Criteria:

• Dental developmental stage of mixed dentition
• Crowding on both dental arches
• Skeletal discrepancy not suspected

Exclusion Criteria:

• National criteria for publicly funded treatment not met by the severity of the malocclusion
• Other malocclusions
• Angle Class III relationship of the molars
• Malocclusion related to a syndrome
• Non-compliance to orthodontic treatment

Related Conditions & MeSH terms

• Dental Crowding
• Malocclusion

Intervention

Device:
• Quad-helix
Fixed orthodontic appliance

Locations

Country	Name	City	State
Finland	University of Helsinki	Helsinki

Sponsors (2)

Lead Sponsor	Collaborator
University of Helsinki	City of Vantaa

Country where clinical trial is conducted

Finland, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Treatment time	Duration of treatment	Up to 36 months
Secondary	Treatment burden	Number of orthodontic appliances used	Up to 48 months
Secondary	Alignment of dental arches	Occlusal end result of the treatment	up to 48 months