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Invisalign - a concept for the prevention of white spot lesions in teenaged orthodontic patients?

Invisalign - a concept for the prevention of white spot lesions in teenaged orthodontic patients? A prospective controlled clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN33826201
Enrollment
60
Registered
2014-10-16
Start date
2014-11-01
Completion date
Unknown
Last updated
2015-07-06

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

Conditions

Malocclusion Oral Health

Interventions

Two groups of patients (male and female, aged 13-19 years) will be randomly allocated into one of two arms: 1. Group 1 will consist of 30 patients. All of these patients receive a traditional multi-br

Sponsors

Align Technology, Inc. (USA)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Orthodontic indication for a vestibular multi-bracket appliance or 2. The need and desire to receive Invisalign therapy 3. Persons aged 13-19 years (teenagers) with fully erupted and visible teeth before treatment 4. No white spot lesions at baseline/no caries 5. Good oral hygiene 6. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Patients with cheilognathopalatoschisis or other syndromes associated with craniofacial abnormalities 2. Patients with enamel abnormalities

Design outcomes

Primary

MeasureTime frame
1. Macroscopic characterization (presence, frequency, and severity) of white spot lesions at baseline, after 6 months, and after 12 months of orthodontic treatment. The severity of disease will be rated according to Gorelick's classification: Grade 0: no visible white spot lesions on clinical investigation Grade 1: minor white spot lesions Grade 2: severe white spot lesions Grade 3: white spot lesions with cavitation 2. Determination of fluorescence, size and lesion depth and the bacterial acitivity of white spot lesions by means of quantitative light-induced fluorescence measurement (QLF) at baseline, after 6 months, and after 12 months of orthodontic treatment.

Secondary

MeasureTime frame
Determination of fluorescence, size and lesion depth and the bacterial activity of white spot lesions by means of quantitative light-induced fluorescence measurement (QLF) after active orthodontic treatment and 6 month later.

Countries

Germany

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026