ClinicalTrials.gg
RecruitingNCT07567105Updated May 5, 2026

Stability of Orthodontic Treatment of Anterior Open-bite

An observational study in Open Bite, sponsored by University of Helsinki. Recruiting at 1 site in Finland. Per ClinicalTrials.gov, last updated 2026-05-05.

Sponsored by University of Helsinki · Observational

From the registry’s dates

  • Started Dec 2025; still recruiting 11 months later.
Study type
Observational
Model
Cohort
Time perspective
Cross-sectional
Enrollment
80
Sex
All
01

Study summary

The study aims to explore how an open bite malocclusion affects daily life of an individual, is its orthodontic treatment effective, and what kind of burden of care the treatment has caused.

02

Conditions studied

  • Open Bite

Browse trials for

Keywords

  • Anterior open bite
03

In context

Open Bite

34 studies on the registry are indexed under Open Bite; 8 are open to participants now.

Browse Open Bite studies →

Lead sponsor

University of Helsinki is the lead sponsor of 133 studies on the registry; 19 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Volunteers recruited based on diagnosis code

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

- Clinical diagnosis of anterior open bite malocclusion, past or present

Exclusion criteria

Exclusion Criteria:

  • No malocclusion
  • craniofacial genetic anomaly
05

Study design

Observational model
Cohort
Time perspective
Cross-sectional
Enrollment
80 participants (estimated)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Overbite

    Vertical overbite

    Time frame: through study completion, an average of 1 year

Secondary outcomes

  1. Occlusal contacts

    Number of occluding teeth

    Time frame: through study completion, an average of 1 year

  2. Treatment time

    Duration of received orthodontic treatment

    Time frame: Perioperative/Periprocedural

  3. TMD

    Temporomandibular joint dysfunction

    Time frame: through study completion, an average of 1 year

07

Study locations

1 of 1 sites recruiting
  • Vantaa and Kerava Wellbeing Services County
    Vantaa, Finland
    Recruiting
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on May 5, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07567105
Collaborators
Vantaa and Keravan Wellbeing Services County
Responsible party
Heidi Arponen (Principal Investigator, University of Helsinki) — Principal investigator
First posted
May 5, 2026
Start date
Dec 1, 2025
Primary completion
Dec 31, 2029 (estimated)
Completion
Jul 30, 2030 (estimated)
Last update
May 5, 2026

Study contacts

Heidi Arponen, PhD
Contact
heidi.arponen@vakehyva.fi
heidi.arponen@vakehyva.fi

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Interested in this study?

Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.

Contact study team

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion